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HomeMy WebLinkAbout19930245 Ver 1_Complete File_20100726 DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORPS OF ENGINEERS °C. BOX 1890 WILMINGTCN, NORTH CAROLINA 28402-1890 IN REPLY REFER TO Regulatory Branch May 17, 1993 Action ID. 199302146 and Nationwide Permit No. 23 (Approved Categorical Exclusions) Mr. Jack Ward State of North Carolina Department of Transportation Planning and Environmental Branch Post Office Box 25201 Raleigh, North Carolina 27611-5201 Dear Mr. Ward } 3 Reference your April 12, 1993 application for Department of the Army authorization to replace Bridge Number 5 on S.R. 1178 over Lower Creek, near Lenoir, in Caldwell County, North Carolina. You are proposing to replace the above referenced structure on existing location. No wetlands will be impactec. by the construction. This project has been coordinated with the NC Wildlife Resources Commission. (WRC). For the purposes of the U.S. Army Corps of Engineers' Regulatory Program, Title 33, Code of Federal Regulations (CFR), Part 330.6, published in the Federal Register on November 22, 1991, lists nationwide permits. Authorization, pursuant to Section 14 of the Rivers and Harbors Act of 1899 and Section 404 of the Clean Water Act, was provided for activities undertaken, assisted, authorized, regulated, funded or financed, in whole or in part, by another Federal agency or department where that agency or department has determined, pursuant to the CEQ Regulation for the Implementing the Procedural Provisions of the National Environmental Policy Act, that the activity, work or discharge is categorically excluded from environmental documentation because it is included within a category of actions which neither individually nor cumulatively have a significant effect on the human environment, and the Office of the Chief of Engineers has been furnished notice of the agency's or department's application for the categorical exclusion and concurs with that determination. Your work is authorized by this nationwide permit provided it is accomplished in strict accordance with the enclosed conditions. This nationwide permit does not relieve you of the responsibility to obtain any required State or local approval. This verification will be valid for 2 years from the date of this letter unless the nationwide authorization is modified, reissued, or revoked. Also, this verification will remain valid for the 2 years if, during that period, the nationwide permit authorization is reissued without modification e { µ_ -2- or the activity complies with any subsequent modification of --he nationwide permit authorization. If during the 2 years, the nationwide permit authorization expires or is suspended or revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon the nationwide permit will remain authorized provided the activity is completed within 12 months of the date of the nationwide permit's expiration, modification or revocation, unless discretionary authority has been exercised on a case-by-case basis to modify, suspend, or revoke the authorization. Questions or comments may be addressed to Mr. Steve Chapin, Asheville Field Office, Regulatory Branch, telephone (704) 271-4014. Sincerely, G. Wayne Wright Chief, Regulatory Branch Enclosure Copies Furnished (without enclosure): Mr. John Parker North Carolina Department of Environment, Health and Natural Resources Post Office Box 27687 Raleigh, North Carolina 27611-7687 John Dorney Water Quality Section Division of Environmental Management North Carolina Department of Environment, Health and Natural Resources Post Office Box 29535 Raleigh, North Carolina 27626-0535 NC Wildlife Resources Commission Mr. Chris Goudreau Route 6, Box 685 Marion, North Carolina 28752 I N. C. DEPARTMENT OF TRANS ION 1 ??????((( TRANSMITTAL SLIP I DA;EI o o 3 I Mr. John Dorney Water Quality Planning DEM, DEHNR Room 625-D Archdale Building --- ...? ..o..v-? ?n?a _.___. - u--r vrt rvvrt rnwrt?nw nvn - ? PLEASE ANSWER ? FOR YOUR COMMENTS ? PREPARE REPLY FOR MY SIGNATURE ? SIGNATURE ? TAKE APPROPRIATE ACTION ? INVESTIGATE AND REPORT COMMENTS: im ? f r * s, yTq?o ? s STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION JAMES B. HUNT. JR. DIVISION OF HIGHWAYS GOVERNOR P.O. BOX 25201, RALEIGH, N.C. 27611-5201 April 12, 1993 13? Dlsti,ct E i i lneel I Army Corps of Engineers P. O. Box 1890 W=1m_ngtor, North Carolina 2840;2 J - Z.aTT_ON . Rea" l atory Branch Dear S17 : SAM HUNT SECRETARY Subs eCt : CaldWe_l County - Replacemel]t of Bridge No. 5 on SR ' 1'= over Tower C,-e= T.I.P. No. B-2524 S-aLe Prolec_ No. 8. _-3180`'_ n -p. .. - ?.?..: m:_C ',,c th Car -li :a De- a,_ ?mr1]t (. ?7 ansc ?r-a -,_ LO r= lac- the a c 'e-r;i=reYii =d Str'it L .l-e on 6xistli2a _?ca ion . Trait W1__ stiJ detoured onto a temcorar_ brio a2 dllr _ y, c o n,_. t r u c t i o l 2 of he n -, ?L idge At ic' ed??:i you information i a c--py of the- p_o-et".'_ 31 a71i2 ] ? r T vr--" t ]e 'Jrop oS d Wor',i. Th prof it is being p ?"_. esse l by file ." II] gi?Wd' Admi niStr3ty Qn d : a Cdtego_icdi E1C__iS?On\ in a c c _13122 With 23 CFR /_.1_?{ ?, . ? e we o nrocee'' with i li:-, pro-e-t under a NC _i^" i12 ac?orda-ac Wit 33 C F R 33 i Appelic_x A _sS,ued N c v ember 1 1 !-911 , by the J . S, Army -orpS Engineers. The provisions of Section 330.4 and Appendi_H A C; of the: e _ =cti? atiel:s w-11 be fcllowed in the construe Zion of tYI_s project. We anticipate that comments from the North Carolina ? ') w?.l? be required pr?.o? to Wildlife Resou,ces Commission (WRC will - t authorization by the Corps of Engineers. By copy of this letter and attachment. NCDOT hereby requests review by WRC. r If you have any questions or need additional information, please call Cyndi Bell at (919) 733-9770 Si rely B. J. 'Quin? P.E. As. nt ager, Planning and Environmental Branch BJC/cl Attachment cc. Mr. Steve Lund, COE, ?shevilie Field Office V??r. John Dorney, DEM, DEHNR ?r. John Parker, DC114, DEHNR Mr. David Yow NCWRC Kr. Cnr s Gaudreau, WRC, otri.C` 8, 'Tarj'?n MS . Stephan e -Toud eau . 'SRC.. Marion Mr. Kally Barger, P.'-:!., Project Management M1 . L Jn Mo1 P . , Dew Mr .L. Ha_kins , .. E . , Hydrau_ ic s Mfr . Join S ?it z, Jr. , P . E. , Structure De: _g?? .r . Tom. Shearin ; P. E. , Roadway Des - gn, A Xr. W.E. Hoke, P.E., D'v4sion 11 Engineer. MS. Leigh Cobb, Plann; g & Environmental 11 I r Caldwell County SR 1178 Bridge No. 5 over Lower Creek Federal-Aid Project BRZ-1178(1) State Project 6.503236 (Prelim. Engr. Funds) State Project 8.2731801 (R/W & Constr. Funds) T.I.P. I.D. NO. B-2524 CATEGORICAL EXCLUSION U.S. DEPARTMENT OF TRANSPORTATION FEDERAL HIGHWAY ADMINISTRATION AND N.C. DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS APPROVED: 1L ? J3 TE L.Q J! Ward, P . E . , Manager Planning and Environmental Branch, NCDOT 4al 3 Nic, P6, ? V q- r- , Z L 6,,-! ?' ?' h s G f, P.E. '? ivi ion Administrator, FHWA ' r r Caldwell County SR 1178 Bridge No. 5 over Lower Creek Federal-Aid Project BRZ-1178(1) State Project 6.503236 (Prelim. Engr. Funds) State Project 8.2731801 (R/W & Constr. Funds) T.I.P. I.D. NO. B-2524 CATEGORICAL EXCLUSION October, 1992 Documentation Prep ec?Jby Wang Engineering Company: ,.•,?.?H CAR01 .,.•'FESSrp'• . 9 ' Ja s • Greenh 11, P.E. - : SEAL ? Pr ject Manager 12979 ??'••,s M. GREG; ;.•?. For North Carolina Department of Transportation on more, P.E., Unit Head Consultant Engineering Unit L gh Cgbb roject Manager Caldwell County SR 1178 Bridge No. 5 over Lower Creek Federal-Aid Project BRZ-1178(1) State Project 6.503236 (Prelim. Engr. Funds) State Project 8.2731801 (R/W & Constr. Funds) T.I.P. I.D. No. B-2524 Bridge No. 5 has been included in the current Transportation Improvement Program. The location is shown in Figure 1. The project is not expected to have a significant impact on the human or natural environment and has been classified as a "Categorical Exclusion". I. SUMMARY OF RECOMMENDATIONS Bridge No. 5 should be replaced on the existing location as shown by Alternate 3 in Figure 2. The recommended width of the new bridge is 40 feet. The cross section on the structure will consist of a 24-foot travelway way with 8-foot shoulders. Approximately 200 feet of rebuilt roadway approaches will be required. The approach roadway should consist of a 24-foot pavement with 8-foot shoulders. Preliminary hydraulic studies indicate that a bridge 90 feet in length should be provided. The elevation of the new structure should be approximately the same as the floor elevation of the existing bridge. During construction of the replacement bridge, traffic will be maintained on-site with a temporary bridge. The estimated cost of construction, based on current prices, is $434,200 including right of way and utility relocation costs. The estimated cost of the project, as shown in the 1993-1999 Transportation Improvement Program, is $270,000. II. SUMMARY OF ENVIRONMENTAL COMMITMENTS All standard procedures and measures will be implemented to avoid or minimize environmental impacts. No special or unique environmental commitments are necessary. "Best Management Practices" (33 CFR 330.6) will be utilized to minimize any possible impacts. Since the project is located in a designated "trout" county, approval must be obtained from the North Carolina Wildlife Resources Commission. Further coordination will be done during the permit application phase. The State Historic Preservation officer has determined that a comprehensive archaeological survey is needed for this project. This survey will be completed prior to construction. III. EXISTING CONDITIONS SR 1178 (Hibriten Drive) is classified as an urban collector in the Statewide Functional Classification System and is a major thoroughfare route in the mutually adopted June, 1987 Lenoir - Hudson Thoroughfare Plan. No widening or upgrading of this route is currently planned. In the vicinity of the bridge, SR 1178 has a 20-foot pavement with 6-foot shoulders (see Figure 3). Vertical alignment is generally rolling. Horizontal alignment of the structure and north approach is tangent with an approximate 14 degree curve on the south approach. The posted speed limit is 35 mph. Land use in the immediate vicinity of the bridge is residential, agricultural, commercial (gas station and car wash), and recreational (a privately-owned, public-use golf course). Known utilities in the vicinity of the bridge include telephone lines, electric lines, a 12" waterline which is attached to the upstream side of the bridge, and a loll sewerline which is located immediately adjacent to the downstream side of the bridge. All utilities will require minor relocations. The projected traffic volume of 3500 vehicles per day (VPD) for the anticipated construction year of 1995 is expected to increase to approximately 7000 VPD by the year 2015. The projected volumes include 1% truck-tractor semi-trailer (TTST) and 3% dual-tired vehicles (DTT). A two-lane bridge will adequately accommodate the anticipated future traffic at level of service "C". The existing bridge, as shown in Figure 3, was constructed in 1963. The single span structure consists of a paved timber deck on I-beams. The substructure is composed of wood abutments. The structure is located 12 feet above the stream bed and has a 50-year flood frequency. Overall length of the bridge is 45 feet. Clear roadway width is 19.3 feet. The posted weight limit is 14 tons. Bridge No. 5 has a sufficiency rating of 24.2 compared to a rating of 100 for a new structure. No accidents were reported on or near Bridge No. 5 during the three year period from January 1, 1989 to December 31, 1991. School buses cross the studied bridge six times daily. 2 IV. ALTERNATIVES Three alternative methods of replacing Bridge No. 5 were studied. In each alternative, a bridge 90 feet long with a deck width of 40 feet would be provided. This structure will accommodate two 12-foot lanes with 8-foot shoulders. The approach should consist of a 24-foot travelway with 8-foot shoulders. On all three alternatives, the proposed bridge and roadway elevation should be approximately the same elevation as the existing. The alternatives studied are shown in Figure 2 and are as follows: Alternative 1 - involves replacement of the bridge on new location immediately east (upstream) of the existing structure. Improvements to the alignment of the bridge approaches include approximately 1100 feet of new pavement. The existing structure would be used for maintenance of traffic during the construction period. The design speed for this alternate is 40 mph, dictated by the 10-degree horizontal curvature on the south approach. Alternative 2 - involves replacement of the bridge on new location immediately west (downstream) of the existing structure. Improvements to the alignment of the bridge approaches include approximately 1200 feet of new pavement. The existing structure would be used for maintenance of traffic during the construction period. The 7-degree curve on the south approach allows a design speed of 50 mph for this alternate. Alternative 3 (Recommended) - involves replacement of the structure along the existing alignment. Improvements to alignment of the bridge approaches includes approximately 200 feet of new pavement. A temporary on-site detour would be provided during construction for maintenance of traffic. This alternate will be constructed on tangent horizontal alignment based on a 40 mph design speed. The adjacent 14- degree curve on the south approach is not anticipated to be a part of this project; however, if during final design, the project is extended into this curve, it will be an exception to the design criteria. The "do-nothing" alternative would eventually necessitate closure of the bridge. This is not prudent due to the traffic service provided by SR 1142. "Rehabilitation" of the old bridge is not feasible due to its age and deteriorated condition. Alternatives discussed in this section and shown on Figure 2 are based on functional plans prepared on an uncontrolled photo map. All distances and directions are approximate. Final construction plans will be based on detailed survey information and may slightly vary from the alternatives presented here. 3 1 r A. V. TRAFFIC DETOUR During the construction period, maintenance of traffic at the studied bridge site is necessary. Existing roads in the area were examined and the length of a detour on existing routes was found to be excessive (5.3 miles). In view of this factor and the volume of traffic, it is clear that traffic should be maintained at the existing bridge site during construction. VI. ESTIMATED COST Estimated costs of the studied alternatives are as follows: (Recommended) Alternate 1 Alternate 2 Alternate 3 Structure $172,800 $172,800 $172,800 Roadway Approaches 182,700 212,700 72,700 Detour Structure & Approaches - 0 - - 0 - 100,000 Structure Removal 4,500 4,500 4,500 Engineering & Contingencies 65,000 60,000 50,000 Right of Way & 220,500 44,750 34,200 Utilities Total $645,500 $494,750 $434,200 VII. DISCUSSION OF RECOMMENDED IMPROVEMENTS Bridge No. 5 should be replaced at its existing location as shown by Alternate No. 3 in Figure 2. The recommended improvements will include about 200 feet of new roadway approaches. This includes 100 feet on each approach. A 24-foot pavement with 8-foot shoulders should be provided on the approaches. A 40-foot clear roadway width is recommended on the replacement structure. The cross section on the structure will consist of a 24-foot travelway with 8-foot shoulders. The proposed 40-foot bridge width will accommodate the anticipated design year traffic of 7000 VPD at level of service "C". This alignment will provide a minimum 40 mph design speed. If final detailed design extends the project into the 14 degree curve on the adjacent south approach, the curve will be an exception to the design criteria. 4 Traffic will be maintained on-site with a temporary detour during the construction period. The temporary detour will consist of a bridge 45 feet long and will be located immediately east (upstream) of the existing structure. The detour roadway will consist of a 20-foot wide pavement with 6-foot shoulders. The detour alignment will provide a minimum 30 mph design speed. Based on preliminary hydraulic studies, it is recommended that the new structure be a bridge approximately 90 feet long. It is anticipated the elevation of the new bridge and roadway will be approximately the same as the elevation of the existing. The existing bridge and roadway are above the 50-year design storm frequency. The length and height of the bridge may be increased or decreased as necessary to accommodate peak flows as determined by future hydraulic studies. The Division Engineer concurs with the recommendation that Bridge No. 5 be replaced at the existing location and that traffic be maintained on-site with a temporary detour. (See letter in Appendix.) Alternates No. 1 and 2 were not favored due to higher estimated costs and the increased amount of right of way required. VIII. ENVIRONMENTAL EFFECTS The project is expected to have an overall positive impact. Replacement of an inadequate bridge will result in safer traffic operations. The project is considered to be a "categorical exclusion" due to its limited scope and insignificant environmental consequences. The bridge replacement will not have a significant adverse effect on the quality of the human or natural environment with the use of current NCDOT standards and specifications. The project is not in conflict with any existing or planned land use and/or zoning regulations. No change in land use is expected to result from construction of this project. No adverse impact on families or communities is anticipated and no families or businesses will require relocation. Right of way acquisition will be limited. No adverse effect on public facilities or services is expected. The project is not expected to adversely affect social, economic, or religious opportunities in the area. This project does not involve any Section 4(f) properties. There are no publicly owned parks, recreational facilities, or wildlife and waterfowl refuges of national, state, or local significance in the vicinity of the project. 5 The project is located at Lenoir in Caldwell County near the western edge of the Piedmont physiographic province in the foothills of the Blue Ridge mountains. The study area is located in a setting of small commercial development, farm fields, and scattered residential sites. Farming is a major industry in this predominantly rural county. NOISE & AIR QUALITY The project is located within the Eastern Mountain Air Quality Control Region. The ambient air quality for Caldwell County has been determined to be in compliance with the National Ambient Air Quality Standards. Since this project is located in an area where the State Implementation Plan (SIP) does not contain any transportation control measures, the conformity procedures of Title 23, Code of Federal Regulations (CFR), Part 770 do not apply to this project. The project will increase traffic volumes only moderately; therefore, its impact on noise levels and air quality will not be significant. Noise levels could increase during construction but will be temporary. If vegetation is disposed of by burning, all burning shall be done in accordance with applicable local laws and regulations of the North Carolina SIP for air quality in compliance with 15 NCAC 2D.0520. This evaluation completes the assessment requirements of Title 23, Code of Federal Regulations (CFR), Part 770 and 772 and no additional reports are required. NATURAL RESOURCES Plant Life Disturbed remnants of Piedmont/Low Mountain/Alluvial Forest exist in a narrow strip along the banks of the creek and between the golf course and SR 1178 to the west. These fringe communities are remains of a mixed alluvial hardwoods/mixed subcanopy hardwoods/mixed shrubs. The following species were found in these forested borders: Canopy Trees: Sycamore - Platanus occidentalis River birch - Betula nigra Wild cherry - Prunus serotina Black walnut - Juglans nigra Poplar - Liriodendron tulipifera Subcanopy Trees: Red maple - Acer rubrum Willow - Salix sericea Alder - Alnus serrulata Dogwood - Cornus florida Shrubs, vines, and herbs in the area are largely early successional species typical of disturbed areas. 6 The minimal removal of vegetation associated with the construction of approaches and temporary detour should have a negligible impact to fauna utilizing the area because it represents only a tiny fraction of the available habitat. Animal Life Due to the impact of prior disturbance and the ongoing human activity in this area, its value as wildlife habitat is severely limited. Species likely to occur include the following mammals: eastern cottontail - Sylvilagus floridanus possums - Didelphis virginiana short-tailed shrew - Blarina brevicauda churchi eastern chipmunk - Tamias striatus striatus white-footed mouse - Peromyscus leucopus leucopus hispid cotton rat - Sigmodon hispidus komareki meadow vole - Microtus p pennsylvanicus woodchuck - Marmota monax monax Various songbirds may feed or nest in the area, especially those that might prefer open fields or thickets along the creek. Few birds were seen or heard during the field visit. No birds of special concern nest in the area. Aquatic organisms would include crayfish and other invertebrates important in aquatic food chains could be found in the creek. This portion of Lower Creek is too small to have any fishing significance. The following small fish may occur: Rosyside dace - Clinostomus funduloides Bluehead chub - Nocomin leptocephalus Golden shiner - Notemigonus crysoleucas Creek chub - Semotilus atromaculatus Except for the aquatic species, most of the wildlife frequenting the area would move away from the construction site. Siltation would be the major concern at this site in order to protect the water quality and stream life. Other animals likely to be here are largely species adapted to living in association with human activity. The N.C. Wildlife Resources Commission (NCWRC) lists "No special concerns" for this area. PHYSICAL RESOURCES Soils The soil maps and descriptions provided by the 1989 Soil Survey of Caldwell County indicate that most of the soil in the immediate vicinity of Bridge #5 is Wehadkee loam, frequently flooded. However, as the elevation increases in the south and east quadrants, Alternates No. 1 and No. 2 would encounter Masada loam, 8-15% slopes. 7 The Wehadkee loam, frequently flooded soil is nearly level and is poorly drained. It is on flood plains along streams. Areas of this soil are generally long and narrow. Depth to bedrock is more than 60". Surface run-off is slow or ponded. The permeability is moderate and the shrink-swell potential is low. This soil ranges from strongly acid to slightly acid throughout except where lime has been added. The seasonal high water table is at or near the surface. Seasonal wetness is the main limitation, and frequent flooding is a hazard. However, at this site, it appears that both Lower Creek and a small stream coming into the creek from the north by the golf course have been channeled and much of the adjacent soil artificially drained. Construction and grading at the car wash in the north quadrant has also rearranged and filled areas to within a few feet of the creek bank. Less fill was used in the golf course in the west quadrant but it has also been altered by the channeling of water drainage. The Masada loam soil is well drained. It is found on stream terraces adjacent to flood plains along streams. Surface run-off is medium, and the hazard of erosion is severe in unvegetated areas. The permeability and the available water capacity are moderate. The shrink-swell potential is moderate. The soil is very strongly acid or strongly acid except where lime has been added, such as the field to the south and the golf course to the west. Depth to bedrock is more than 60". Erosion of this soil is a hazard at construction sites. Therefore, erosion and sediment control practices are needed where soil is without plant cover. Neither of the soils here are considered prime farmlands. However, Masada Loam, 8 - 15% slopes are of statewide and local importance. The Farmland Protection Policy Act requires all federal agencies or their representatives to consider the potential impacts to prime and important farmland soils by all land acquisition and construction projects. Prime and important farmland soils are defined by the U.S. Soil Conservation Service (SCS). The SCS was asked to determine whether the proposed project will impact farmland soils and to complete Form AD-1006, Farmland Conversion Impact Rating. The completed form is included in the Appendix. According to the SCS, Alternatives 1 and 2 will impact 0.59 acres of statewide and local important farmland soil and Alternate 3 will not impact any prime or important farmland soils. This represents very little of the total 78,560 acres of prime or important farmland soils found in Caldwell County. The impact rating determined through completion of Form AD-1006 indicates that the site's assessment and relative scores are 52.2 for Alternate 1 and 47.4 for Alternate 2 out of a possible 260. A score of 160 or more would indicate that mitigation should be considered. 8 It can be concluded that the project's impact on farmland soil, as defined by the SCS, is minimal and therefore, no mitigation is proposed. Water Resources Lower Creek rises in the foothills of the Southern Appalachians and flows southwest through the City of Lenoir, turns south and eventually empties into Lake Rhodhiss (Catawba River) near Morganton. Bridge #5 is located approximately 14-15 miles upstream from the mouth of Lower Creek. At this point, the creek is about 25' wide with an average depth of 811-10". There are no pools and the bottom type was medium sand. The current stream classification for this portion of Lower Creek is C. Best usage for water of this class is aquatic life propagation and survival, fishing, wildlife, secondary recreation, and agriculture. Too small to have fishing significance, Lower Creek's main concern would be the maintenance of water quality and protection of downstream fisheries. Lower Creek is not a trout stream or a tributary of a trout stream. A small, deeply channeled creek runs into Lower Creek about 25' west of Bridge #5. This stream drains the area around the golf course. The Benthic Macro invertebrate Data Base (May 1991) lists a 1989 sampling of Lower Creek at Harrisburg Street in Lenoir. This site is downstream from Bridge #5. The taxa richness at that site was 65/22 and the bioclassification was good - fair. Possible stream impacts will be restricted to some limited sediment debris during construction and after project completion. Likely adverse impacts can be minimized through the employment of silt basins, berms, silt curtains, and other erosion control measures required of the contractor and specified in the State approved Erosion and Sedimentation Control Program. To avoid adding to the silt load and degradation of this stream, "Best Management Practices" (33 CFR 330.6) will also be implemented. No channel changes, channel fills, or alteration of drainage patterns are foreseen. Potential impacts to Lower Creek which could result from construction of a temporary on-site detour and structure include increased sedimentation from channelization and erosion. Fill material placement for the approach roadway may enter the stream, scouring the channel bed on-site and downstream of the project. Care should be taken to assure that fill used does not interfere with the normal stream flow and is kept well away from the bed of this flood-prone stream. Upon removal of the temporary on-site detour, the stream and surrounding land will be restored to its original condition. With proper implementation of the Department's sediment and erosion control measures and "Best Management Practices", overall 9 environmental stream impacts are expected to be negligible as a result of this project. Caldwell County is a participant in the National Flood Insurance Regular Program. The approximate 100-year floodplain in the project area is shown in Figure 4. There are no practical alternatives to crossing the flood- plain area. Any shift in alignment would result in a crossing of about the same magnitude. The floodplain in the adjacent area of the crossing is woods, farm fields and a golf course. The amount of floodplain and floodway to be affected is not considered to be significant and no modification of the floodway is anticipated. All reasonable measures will be taken to minimize any possible harm. JURISDICTIONAL TOPICS Wetlands Although wetland soil is indicated on soil maps, these soils have largely been altered by filling or artificially draining. As a result, almost no true wetlands remain, and the hydrology has been altered. The creek does still have a tendency to flood periodically, but that tendency has been greatly reduced in this immediate area by channeling and fill. The wettest area remaining is the corner of maintained golf course in the northwest quadrant of the study area. It appears that no true wetland remains at this site that possesses all required criteria for "wetland". If the existing site or Alternate No. 1 is chosen, then this area would not be impacted. Protected Species The North Carolina Natural Heritage Program (NCNHP), the North Carolina Wildlife Resources Commission (NCWRC), and the U.S. Fish and Wildlife Service (USFWS) were contacted to obtain current lists of protected species known to inhabit Caldwell County. Due to the relatively small area to be investigated, an on-site survey was conducted by carefully walking through the entire area to search for species of concern. Special attention was given if suitable habitat for a protected species was found. Federally Protected Species: Plants and animals with federal classification of Endangered (E) and Threatened (T) are protected under provisions of the Endangered Species Act of 1973, as amended. Federal Candidate (C) species have also been listed, but are not provided protection under this Act. No survey was conducted to determine the presence of candidate species. Spreading avens (Geum radiatum) - (E) An erect (1 to 5 dm tall) hirsute perennial herb with a basal rosette of odd-pinnately compound leaves arising from a 10 I horizontal rhizome. Inflorescence terminal, a few - flowered, indefinite cyme. Flowers actinomorphic with 5 hirsute green sepals, fused at the base, and 5 separate bright yellow petals. Stamens and pistils numerous, distinct; pistils simple, ovaries superior and hirsute, persistent as a beak in fruit. Receptacle ringed with dense, tan, stiff hairs. Fruit a hemispheric aggregate of hirsute, beaked achenes. Flowers, June to October; Fruits, July to October; Vegetative, May to October. Range: Distribution includes the northwestern mountains of North Carolina and eastern mountains of Tennessee. Habitat: Endemic to balds on high mountains over 3800' in elevation. This plant often occurs on steep rock faces and narrow ledges. This project site is under 1000' elevation and no rock faces or ledges occur, therefore suitable habitat for spreading avens is not found here. This project will not impact on spreading avens as none grows in the area. Heller's blazing star (Liatris helleri) - (T) A small, erect ( 1 - 5 dm tall), glabrous perennial herb with a thickened, rounded, cornlike rootstock. Narrow, linear, entire, simple, alternate leaves are numerous and spirally arranged. Flowers (florets) are small and sessile in a compact head on a common enlarged receptacles, surrounded by an involucre. The heads are arranged in an elongate, racemiform inflorescence, flowering from top to bottom. Distinguishing characteristics are its short stature and its very short pappus. Fruit a cypsela (achene or nutlet by some authors), 2.5 to 5 mm long, tan to blackish, somewhat cylindrical but tapered at the base into a blunt point, ribbed, hairy, particularly along the ribs; pappus of rather stout, capillary, barbellate bristles, tan, 1/2 or less the length of the corolla tube. Flowers, July to September; Fruits, August to October; Vegetative, July to October. Range: Northwestern Mountains of North Carolina; one population in Alabama. Habitat: Open, rocky outcrops, ledges, cliff faces and rocky woods at elevations above 2800 feet. No rocky outcrops occur at this site and the elevation is less than 10001, therefore suitable habitat for this plant does not occur at this site. This project will not impact on Heller's blazing star. Blue Ridge goldenrod (Solidaao spithamaea) - (T) An erect, caulescent, somewhat foul-smelling perennial herb arising from short stout rhizomes. Stems angled above, 1-4 dm tall, sparsely to densely pubescent or glabrate below. Leaves basal and cauline, simple, alternate, serrate, smooth to slightly scabrous above, glabrous beneath, ciliate. Lower leaves 3-10 cm long and 1.5-4 cm wide with winged petioles; upper leaves becoming smaller and sessile. Flowers are in compact heads surrounded by involucral bracts in several series, firm, glabrous, green-tipped, and rather narrow. Secondary inflorescence densely corymbiform. Ray flowers 2-3 mm long, yellow, pistillate, and fertile; disc flowers numerous, 20-60, yellow, perfect and fertile. Calyx represented by a pappus of 11 white capillary bristles. Fruit a cypsela (achene or nutlet by some authors), 2.5-3.0 mm long, subterete, several nerved, pubescent. Flowers, July to September; Fruits, July to October; Vegetative, July to October. Range: Tennessee (Carter County) and North Carolina mountains (Avery, Caldwell, Watauga, and Mitchell Counties). Reports from Alabama and Georgia have not been recently documented. Habitat: Rock crevices and balds above 3800' in mountains. Suitable habitat does not exist for Blue Ridge goldenrod in this project area. This area is below 1000' elevation. Therefore, this project will not impact Blue Ridge goldenrod. Federal Candidate Species: Diana Fritillary Butterfly (Speyeria diana) - (C) Wings black basally and blue outward. Front wing markings pale, almost white. Ventral hindwing essentially without silver spots in discal area. Dark larvae are nocturnal and feed on violets. The adult is little attracted to flowers and can be baited with dung. Adults are found chiefly in the mountains flitting along woodland roads. A Liverwort (Bazzania Nudicaulis)* - (C) A tiny non-vascular plant (0.8 - 1.5 mm wide) in wiry mats with many stems denuded. Leaves are transversely inserted with underleaves uniformly present and dentate. Plants brownish or blackish. On rock or bark of fir trees at high elevations, these plants are usually found only on peaks above 5000 feet. Mountain Bittercress (Cardamine clematitis) - (C) A stoloniferous perennial with erect stems to 2.5 dm tall, the lower stem densely pubescent. Basal leaves orbicular, cordate, crenate, or remotely lobed; stem leaves pinnately dissected with 1 or 2 pairs of lateral divisions, margins dentate to crenate. Petals white, 5 to 19 mm long. This plant grows in high elevation seeps, shaded outcrops, and streambanks in the mountains of North Carolina. Bent Avens (Geum geniculatum) - (C) A perennial herb with basal rosette of leaves. The stem is 5 to 7 dm (19.5 to 2711) tall, slightly angled, and sparsely to densely hairy. The basal leaves have 3 large terminal division, and the stem leaves are 3-lobed or divided into 3 leaflets. The flowers are on stalks from the end of stem branches, with 5 sepals spreading with glandular hairs. There are 5 pinkish, whitish or lavender petals approximately the same length as the sepals, almost trucate at the apex, and gradually narrowed to prominent claws. Stamens and pistils are numerous. Flowering occurs July to August. Range includes the northwest mountains of North Carolina and eastern Tennessee. Habitat includes wooded slopes and balds at high elevations. 12 i 1 A Liverwort (Plagiochila sullivantii var. sullivantii)* - (C) A relatively large liverwort with long decurrent leaves on upper side of stem, with margins turned back. Teeth of leaves fewer than 10, large and several celled; leaves narrowly ovate. Shoots 1.5 to 2 mm wide with creeping caudex and upright or pendant shoots. Plantlets not produced. Usually found on moist shaded rocks or underledges in the mountains of North Carolina. * Indicates no specimen from Caldwell County in at least 20 years. The NCNHP files have no record of any federally protected species occurring in the vicinity of this study site. Of the species listed for Caldwell County by the U.S. Fish and Wildlife Service, none would occur at this lower elevation in Caldwell County. All listed species for this county occur in the higher elevations and suitable habitat does not exist in the area impacted by this project. State Protected Species: Plants or animals with state designations of Endangered (E), Threatened (T), or Special Concern (SC) are granted protection by the State Endangered Species Act and the NC Plant Protection and Conservation Act of 1979, administered and enforced by the North Carolina Wildlife Resources Commission and the NC Department of Agriculture. No species of state concern were reported by the NCWRC or the Natural Heritage office for this site, nor were any found. PERMITS It is anticipated that an individual permit will not be required from the Corps of Engineers since the Nationwide Section 404 permit provisions are applicable and the provisions of 330.5(b) and 330.6 will be followed. Since this project is located in one of the 25 westernmost North Carolina counties that contain Mountain Trout Waters, the North Carolina Department of Transportation is required to obtain approval from the North Carolina Wildlife Resources Commission and to fulfill its Section 404 permit obligations. A Section 401 Water Quality Certification, administered through the North Carolina Department of Environment, Health, and Natural Resources, will be required. This certificate is issued for any activity which may result in a discharge of dredged or fill materials into waters for which a federal permit is required. CULTURAL RESOURCES The "Area of Potential Effect" of this project on cultural resources has been delineated and is shown on Figure 2. 13 There are no historic architectural resources in the vicinity of the project that are eligible for inclusion in the National Register of Historic Places. The State Historic Preservation Officer was consulted and concurred with the above statement. (See letter in Appendix.) There are no known recorded archaeological sites within the project boundaries. However, since the project area has never been systematically surveyed, the State Historic Preservation Officer has recommended that a comprehensive archaeological survey be conducted to identify the presence and significance of archaeological remains that may be damaged or destroyed by the proposed project. This survey will be accomplished prior to construction. IX. CONCLUSION On the basis of the above discussion, it is concluded that, with proper implementation of the Department's erosion and sediment control measures and "Best Management Practices", no serious adverse environmental effects will result from the construction of this project. 14 sF . 1 d .60 '11 a 21 e/ FAP 18 -/ . ®? 327 a_ ? 'nee LENOIR 3A ; POP. 13,748 ?`K T 11_• '' b0 / n i 21 ?i I ti 117! ? ma it^.tt 16 ?\ 000, .000 NORTH CAROLINA DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS PLANNING AND ENVIRONMENTAL. BRANCH SR 1178, BRIDGE 5 OVER LOWER CREEK CALDWELL COUNTY B-2524 7 9 2 m ile FIG. i HERMN MTN. ELEV. 2265 J rur? ` i DOWNSTREAM SIDE VIEW NORTH APPROACH LOOKING SOUTH SOUTH APPROACH LOOKING NORTH B-2524 BRIDGE NO. 5 CALDWELL COUNTY FIGURE 3 I i ZONE X \ ZONE X APPROXIMATE SCALE IN FEET Soo 0 500 - - ZONE X 100-YEAR FLOODPLAIN ;PROJECT SITE1 i!B-2524 i tI18P- Ij Ej--? ONE X ZONE X ZONE X,-,. B-2524 BRIDGE NO. 5 CALDWELL COUNTY Guif Course 3inrlc ? U ' .}t, ySfw7F °? J STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION P. 0. Box 250 JAMES G. MARTIN North Wilkesboro, NC 28659 GOVERNOR August 26, 1992 THOMAS J. HARRELSON SECRETARY DIVISION OF HIGHWAYS WILLIAM G. MARLEY, JR., P.E. STATE HIGHWAY ADMINISTRATOR SUBJECT: B-2076, B-1013, B-2169, B-2116, & B-2524 Request for Concurrence in Preliminary Draft Categorical Exclusion Documents MEMORANDUM T0: Mr. L. J. Ward, PE Manager of Planning and Environmental Branch ATTN: Leigh Cobb It). 9. yoke FROM: W. E. Hoke, PE Division Engineer - Division 11 As requested by letter to me from Mr. Jeff Williams of Wang Engineering (the firm), we have the following comments relative to design concepts selected by the.firm: B-2076 Division concurs with the firm in Alternate 2, which improves the alignment of SR 1580 in the vicinity of the bridge. B-1013 It is agreed that construction of the proposed structure must be in existing location. There appears to be no feasible alternative. Relative to handling of through traffic, no final conclusion has been previously been reached by this office, pending further research by the firm. There are negatives associated with every alternative. Although SR 1155 has been paved since project scoping recommendation was made by this office for an on-site detour, alignment and profile of SR 1155 are poor. A poor sight distance exists at the intersection of SR 1155 with NC 113. Therefore, preliminary conclusions are to avoid the use of SR 1155 for a temporary detour during construction. It has not been determined by this office if school buses would have to utilize SR 1155 or how fire protection and emergency services might be affected. An Equal Opportunity/Affirmative Action Employer a . Mr. L. J. Ward, PE -2- August 26, 1992 We agree in the selection of the on-site detour as described in alternate No. 1; however, we do have concerns. Can satisfactory alignment be achieved in the transition from NC 113 to the on-site detour without excessive right of way and construction costs and associated irreversible proximity damage to the residence in the northwest quadrant? The property owner expressed his concern to the Location party that he did not want a road going through his garden; it should be noted, however, that garden topsoil can be stoc:cpiled but the loss of buffer, noise barrier, aesthetics, and stability of the rock cut is not reversible. It should be noted that NC 113 traffic, if not required to stop on the on-site detour, which would be very dangerous, will necessitate moving stop signs on SR 1152 and SR 1157. A stop ahead sign does not say "The stop sign has been moved toward you XX feet and there is high speed traffic between you and where the stop sign-was before it was moved." These concerns should be considered during design with improvements in sight distance and additional signing as necessarv. B-2169 Division concurs with the firm in Alternate 2, which recommends closing of SP, 2233 and replacement of the bridge in existing location. B-2116 The firm concurs with Division that SR 1142 should not be closed during construction. Division previously recommended Alternative 1 on the assumption that use of existing structure to handle traffic during construction would be more economical than construction of a temporary structure. In consideration of the cost studies we concur in Alternative 2. --? B-2524 The firm concurs with Division recommendation in memorandum to you dated April 3, 1990. (Ai-T. 5) Please advise if you need additional information. REP/bp cc: Jeff Williams, PE U.S. Department of Agriculture FARMLAND CONVERSION IMPACT RATING Date Of Lana Evaiuation Request May $ 1992 PART I (To be completed by Federal Agency) 1 s Name Of Project T.I.P. No. B-2524 (6.5003236) 1 Federal Agency Involved FHWA (Construction Only) Proposed Land Use Highway I County And State Caldwell County, NC . PART II (To be completed by SCS) Date Request Received By SCS Does the site contain prime, unique, statewide or local important farmland? Yes No (If no, the FPPA does not apply - do not complete additional pars of this form). Acres Irrigated I Average Farm Size Major Crop(s) y .: w , Name Of Land Evaluation System Used Farmable Land in Govt. Jurisdiction Acces <:.. S(d Zt1; ?j °1. Name Of; Local Site. Assessment; Ys nt:. Amount Of Farmland As Defined in FPPA Acres:.... 7 S (v U 96 3 9. y Date Ladd Evaluation Returned By SCS Iternative Site Rating 3 ?r PART III (To be completed by Federal Agency) Site A Site a Site C Site D A. Total Acres To Be Converted Directly 1.18 1.52 0.20 0. 20 B. Total Acres To Be Converted Indirectly 0 0 0 0 C. Total Acres In Site 1.18 1.52 0.20 .20 PART IV'-(T6 be.cornpletedby SCSF-'Land E aluatFeie> fnfo = -. A: Tlosa[ 8rii A Ucrigae-farmlan?l 00 S. Total Acres Statewide-And. Local tmpmont: G:' F We entao&-Gf PatYrdand fil County OS-L-& xEa`ti .ICiRiedictiOiY,Wiftk58?Uttii?:Y,?flf D'. Pgraerliage.Of F2dnftindiriGovt. ?. ' : µ ` ?? G v 0 fit.. . O E'Y ^s PART V (To be completed by SCSI Land Evaluatioi-CrltErlon • " rRetative.•Yalge?Q?Fairuilartc3'Ta , . ttz?,+? y?? ? ? - ?? -? ?.- ? . - ' - PART VI (To be completed by Federal Agency) Site Assessment Criteria (These criteria are explained in 7 CFR 656.5(b) Maximum Points 1. Area In Nonurban Use 2. Perimeter In Nonurban Use /O S S O 3. Percent Of Site Being Farmed 2.0 S O 4. Protection Provided By State And Local Government yv O 5. Distance From Urban Builtup Area 6. Distance To Urban Support Services -- -- - 7. Size Of Present Farm Unit Compared To Average S S O 8. Creation Of Nonfarmable Farmland 257 O O 0 9. Availability Of Farm Support Services 5 S' -11Z 0 10. On-Farm Investments ZD 10 /0 0 11. Effects Of Conversion On Fihm Support Services 2s ' O I 12. Compatibility With Existing Agricultural Use 0 .0 0 10 en TOTAL SITE ASSESSMENT POINTS 160 PART VII (To be completed by Federal Agency) Relative Value Of Farmland (From Part V) 100 Total Site Assessment (From Part VI above ora local site assessment) 160 3( 3 ! O TOTAL POINTS (Total of above 2lines) 260 $Z. 2 47. O Site Selected: Date Of Selection Was A Local Site Assessment Used? Yes ? No ? Reason For Selection: D (See Instructions on reverse sideJ Form AD-1006 i10-831 14 1 North Carolina Wildlife Resources Commission K2 512 N. Salisbury Street, Raleigh, North Carolina 27604-1188, 919-733-3391 Charles R. Fullwood, Executive Director June 24, 1992 Ms.'Ruby D. Pharr Environmental Consultant 111 York Street - Morganton, NC 28655 SUBJECT: Request for special concerns regarding fish and wildlife resources in the vicinity of 11 bridges to bew ^ replaced by the NCDOT _ Dear Ms. Pharr: This correspondence responds to a request by you for any special concerns the North Carolina Wildlife Resources Commission (NCWRC) has regarding fish and wildlife resources in the vicinity of each of 11 bridges. The North Carolina Department of Transportation (NCDOT) proposes to replace these bridges with new structures. We have the following comments on these projects: ALLEGHANY COUNTY; O tc? Bridge #11 on NC ,113 over PineyBranch: This stream is a tributary to Piney Fork,) which is Designated Public Mountain Trout Water. PinelBranch may support wild brown trout. A state listed snail may also occur within Fie wa ershed. ANSON COUNTY 1) Bridge #199 on SR 1600 over Richardson Creek: This is a large stream with significant warmwater fish habitat. Species of particular concern include a listed fish (Carolina darter, Special Concern) and several listed-or proposed freshwater mussels, all of which have been reported from nearby Rocky River tributaries. Many of these aquatic species would be adversely affected by sedimentation of the stream bed at or below the construction site. 2) Bridge #207 on SR 1610 over Cribs Creek: Although this is a smaller tributary than the previous site, similar concerns Memo Page 2 June 24, 1992 exist regarding fish and mussel habitat. The Carolina darter has been collected from Cribs Creek. NOTE: Both of these bridge sites presently involve sharp road curves in the immediate vicinity of the existing structures. For purposes of improving safety, NCDOT may propose relocation of these bridges up- or downstream, using existing bridges as on-site detours. Additional aquatic and riparian habitat affected by such operations should be included in the study area. BURKE COUNTY 1) Bridge #210 on SR 1647 over Drowning Creek: No special concerns. 2) Bridge #102 on SR 1438 over Johns River: This stream supports an excellent smallmouth bass fishery in the vicinity of the bridge replacement. A federal candidate mussel species is also known from the Johns River system. CALDWELL COUNTY 1) Bridge #5 on SR 1178 over Lower Creek: No special concerns. 2) Bridge #106 on SR 1142 over Lower Creek: No special concerns. CLEVELAND COUNTY Bridge 1213 on SR 1512 over First Broad River: No special concerns regarding fishery resources. A state threatened mussel has been reported from the First Broad River watershed. RUTHERFORD COUNTY Bridge #126 on US 64 over Clinchfield Railroad: No special concerns. SURRY COUNTY Bridge 164 on SR 2233 over Fisher River: No special concerns. WATAUGA COUNTY Bridge 298 on SR 1580 over Watauga River: The stream is Designated Public Mountain Trout Water in the vicinity of the bridge and provides excellent fishing for brown trout. Fishing pressure is heavy in this area. A state listed endangered mussel occurs in the Watauga River system. Y Memo Page 3 June 24, 1992 Although we have no special concerns in the vicinity of several of -these projects, the NCWRC expects ?Fi?CDb?to routinely minimize ac?versempacts. to fish _ an _wildlife re- sources in?he-vicinity of-bridge replacements.i The NCDOT should install and-mal -E -! sedimentation controi measures throughout the life of each project and-prevent wed concrete from contacting water f lowing _in or i- nto these streams . While no special wildlife concerns exist for any of these bridge sites, replacement of bridges with spanning structures of some type, as opposed-to pipe culverts, is recommended in all cases_.. Span g structures allow wildlife passage a ong streambanks' r`educing_population fragmentation an ve i.cle- related mortality at highway crossings. -- . - For additional information regarding endangered or threatened species in the vicinity of these construction sites, please contact Randy Wilson, Nongame and Endangered Wildlife Section Manager, at (919) 733-7291. If you need further assistance or information on NCWRC concerns regarding bridge replacements, please contact David Yow, Highway Project Coordinator, at (919) 528-9887. Thank you for the opportunity to review and comment on this project. Sin erely, (1`' Dennis L. Stewart, Manager Habitat Conservation Program DLS/lp cc: Stephanie Goudreau, Mt. Region Habitat Biologist Chris Goudreau, District 8 Fisheries Biologist Joe Mickey, District 7 Fisheries Biologist Wayne Chapman, District 6 Fisheries Biologist David Yow, NCWRC Highway Coordinator Randy Wilson, Nongame Section Manager John Alderman, Piedmont Region Nongame Project Leader North Carolina Department of Cultural Resources James G. Martin, Governor Patric Dorsey, Secretary July 16, 1992 Nicholas L. Graf Division Administrator Federal Highway Administration Department of Transportation 310 New Bern Avenue Raleigh, N.C. 27601-1442 Re: Section 106 Consultation on Consultant Bridge Projects Dear Mr. Graf: r ?c?l rg JUt 201992 D1V1S1p? ,? ?,? 1-l1GH , / OF ^C> Division of Archives and History William S. Price, Jr., Director Thank you for your letter of June 15, 1992, concerning twenty-two bridge replacement projects. On June 8, 1992, Robin Stancii of our staff met with North Carolina Department of Transportation (NCDOT) staff and project consultants for a meeting concerning the bridge replacements. NCDOT provided project area photographs and aerial photographs at the meeting and for our use afterwards. Based upon our review of the photographs and the information discussed at the meeting, our preliminary comments regarding these bridge replacements are attached for each project. Having provided this information, we look forward to receipt of either a Categoricai Exclusion or Environmental Assessment which indicates how NCDOT addressed our concerns. Our comments are made pursuant to Section 106 of the National Historic Preservation Act of 1966 and the Advisory Council on Historic Preservation's Regulations for Compliance with Section 106, codified at 36 CFR Part 800. Thank you for your cooperation and consideration. If you have questions concerning the above comment, please contact Renee Gledhill-Earley, environmental review coordinator, at 919/7 33-47 63. Sincerely, David Brook Deputy State Historic Preservation Officer DB:slw Attachments cc: 11L_. J. Ward 109 East Jones Street • Raleigh, North Carolina 27601-2807 B. Church T. Padgett It Relace Caldwell County, B-2524, 8 615003236, ER 92-8536 In terms of historic architectural resources, we are aware of no historic structures this pr We recommend that no historic located within the are of ducted l for effect. architectural survey be project boundaries. There are no known recorded has never been systematically sue eyed to determine However, the protect area ea the location of significance of archaeological resources. We recommend that a comprehensive survey be conducted by an experienced archaeologist to identify the presence and significance of archaeological remains ts on that may be damaged ebe assessedhpriorto cthe projet. 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