HomeMy WebLinkAbout20091222 Ver 1_Application_20091112I-01
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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
BEVERLY EAvEs PERDUE
GovEmoR
U. S. Army Corps of Engineers
Regulatory Field Office
Post Office Box 1000
Washington, NC 27889-1000
ATTN: Mr. Tom Steffens
NCDOT Coordinator
Dear Sir,
s1j? X009
*?i4iry
EUGENE A. CONT.
SECRETARY
®91222
Subject: Application for Section 404 Nationwide Permit 23, Section 401 Water
Quality Certification, and Neuse Riparian Buffer Authorization for
the proposed replacement of Bridge No. 79 over Gum Swamp Creek on
SR 1544 in Lenoir County. Federal Aid Project No. BRZ-1544(3), Debit
$240 from WBS Element 33776.1.1, TIP No. B-4570.
Please find enclosed the PCN form, permit drawings, and half-size plan sheets for the
above referenced project. A Categorical Exclusion (CE) was completed for this project
on February 4, 2008, and distributed shortly thereafter. Additional copies are available
upon request. The North Carolina Department of Transportation (NCDOT) proposes to
replace existing Bridge No. 79 over Gum Swamp Creek on SR 1544 in Lenoir County.
The project involves replacement of the existing 61-foot structure with a 70-foot long
bridge at approximately the same location. The proposed bridge will be a single span
cored slab structure. There will be 7 feet of permanent impacts to Gum Swamp Creek
and 0.09 acre of permanent impacts to its adjacent wetlands. There will be 4,798 total
square feet of impacts to Neuse Riparian Buffers, with 3,929 square feet of impacts in
Zone 1 and 869 square feet of impacts in Zone 2. Traffic will be detoured off-site, on
surrounding roads, during construction.
Please note that this project is an accelerated bridge project on NCDOT's Maintenance of
Effort list. The NCDOT Administration has deemed these projects highest priority. This
project calls for a letting date of March 16, 2010 and a review date of January 26, 2010;
however, the let date may advance as additional funding becomes available.
MAILING ADDRESS:
NC DEPARTMENT OF TRANSPORTATION
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS
1696MAII SFRVIr.F CFNTFR
November 6, 2009
TELEPHONE: 919-431.20DO
FAX: 919-431.2002
Wc.c' r- .Wnnnr nor_
LOCATION:
4701 ATLARTICAVENUE
SUITE 116
Ra FION NC 27604
Regulatory Approvals
Section 404 Permit: All aspects of this project are being processed by the Federal Highway
Administration as a "Categorical Exclusion" in accordance with 23 CFR 771.115(b). The
NCDOT requests that these activities be authorized by a Nationwide Permit 23 (72 CFR;
11092-11198, March 12, 2007).
Section 401 Water Quality Certification: We anticipate 401 General Certification number
3701 will apply to this project. All general conditions of the Water Quality Certifications will
be met. In accordance with 15A NCAC 2H, Section .0500(a), we are providing five copies
of this application to the NCDWQ for their approval.
Neuse Riparian Buffer Authorization: NCDOT is requesting a Neuse Riparian Buffer
Authorization from the NCDWQ.
A copy of this application will be posted on the NCDOT website at:
http://www.ncdot.org/doh/preconstruct/pe/neu/p6rmit.htrnl
Thank you for your time and assistance with this project. Please contact Veronica Barnes
at vabames@ncdot.gov or (919) 431-6758 if you have any questions or need additional
information.
Sincerely
Gregory J. Thorpe, Ph.D.
Environmental Management Director, PDEA
W/attachment
Mr. Brian Wrenn, NCDWQ (5 Copies)
W/o attachment (see website for attachments)
Dr. David Chang, P.E., Hydraulics
Mr. Greg Perfetti, P.E., Structure Design
Mr. Victor Barbour, P.E., Project Services Unit
Mr. Mark Staley, Roadside Environmental
Mr. C. E. Lassiter, P.E., Div. 2 Engineer
Mr. Jay Johnson, Div. 2 Environmental Officer
Mr. Scott McLendon, USACE, Wilmington
Mr. Gary Jordan, USFWS
Mr. Travis Wilson, NCWRC
Mr. Ron Sechler, NMFS
Ms. Anne Deaton, NCDMF
Mr. Jay Bennett, P.E., Roadway Design
Mr. Majed Alghandour, P. E., Programming and TIP
Mr. Art McMillan, P.E., Highway Design
Ms. Dionne Brown, PDEA
o?Op W ATFgoG
o
Office. Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. Applicant Information
1. Processing
la. Type(s) of approval sought from the
Corps:
®Section 404 Permit El Section 10 ,
f ermit
1 b. Specify Nationwide Permit (NWP) number: 23 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps? ® Yes ? No
1d. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit
? 401 Water Quality Certification - Express ® Riparian Buffer Authorization
le. Is this notification solely for the record
because written approval is not required? For the record only for DWQ 401
Certification:
? Yes ® No For the record only for Corps Permit:
? Yes ®No
1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program. ? Yes ®No
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h
below. ? Yes ® No
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes ®No
2. Project Information
2a. Name of project: Replace Bridge No. 79 over Gum Swamp Creek on SR 1544.
2b. County: Lenoir
2c. Nearest municipality / town: Falling Creek
2d. Subdivision name: not applicable
2e. NCDOT only, T.I.P. or state
project no: 8-4570
3. Owner Information
3a. Name(s) on Recorded Deed: North Carolina Department of Transportation
3b . Deed Book and Page No. not applicable
3c. Responsible Party (for LLC if
applicable):
not applicable
3d . Street address: 4701 Atlantic Ave, Suite 116
3e . City, state, zip: Raleigh, NC 27604
3f. Telephone no.: (919) 431-6758
3g . Fax no.: (919) 431-2002
3h . Email address: vabarnes@ncdot.gov
Page 1 of 10
4. Applicant Information (if different from owner)
4a. Applicant is: ? Agent ? Other, specify:
4b. Name: not applicable
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
5. Agent/Consultant Information (if applicable)
5a. Name: not applicable
5b. Business name
(if applicable):
5c. Street address:
5d. City, state, zip:
5e. Telephone no.:
5f. Fax no.:
5g. Email address:
Page 2 of 10
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): N/A
1 b. Site coordinates (in decimal degrees): Latitude: 35.300619 Longitude: - 77.696733
(DD.DDDDDD) (-DD.DDDDOD)
1c. Property size: 0.78 acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to Gum Swamp Creek
proposed project:
2b. Water Quality Classification of nearest receiving water: C, Sw, NSW
2c. River basin: Neuse
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
Existing conditions on the site includa Oak-Pine forest, Hardwood Swamp forest and general land use is cropland and
pasture.
3b. List the total estimated acreage of all existing wetlands on the property:
0.09
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
544
3d. Explain the purpose of the proposed project:
To replace a structurally deficient bridge.
3e. Describe the overall project in detail, including the type of equipment to be used:
The project involves replacing a 61-fool bridge with a 70-foot, 1-span bridge on the existing alignment with an off-site
detour. Standard road building equipment, such as trucks, dozers, and cranes will be used.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property / ED Yes ? No ? Unknown
project (including all prior phases) in the past?
Comments: 200610721
4b. If the Corps made the jurisdictional determination, what type ? Preliminary ® Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company: Environmental Services,
Inc
Name (if known): Lauren Cobb Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
May 9, 2006
5. Project History
5a. Have permits or certifications been requested or obtained for ? Yes ®No ? Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
N/A
6. Future Project Plans
6a. Is this a phased project? ?Yes ® No
6b. If yes, explain.
N/A
Page 3 of 10
PCN Form - Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
1a. Which sections were completed below for your project (check all that apply):
® Wetlands ® Streams - tributaries ® Buffers
? Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Welland impact Type of jurisdiction
number - Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ - non-404, other) (acres)
Temporary T
W1 ® P ? T Permanent fill Riparian ® Yes
? No ® Corps
? DWQ 0.04
W2 ®P ? T Mechanized
Riparian ® Yes ® Corps
0.05
c,earin
g ? No ?DWQ
W3 ? P ? T ? Yes ? Corps
? No ? DWQ
W4 ? P ? T ? Yes ? Corps
? No ? DWQ
W5 ? P ? T ? Yes ? Corps
? No ? DWQ
W6 ? P ? T ? Yes ? Corps
? No ? DWQ
2g. Total wetland impacts 0.09 Permanent
0.0 Temporary
2h. Comments:
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a. 3b. 3c. 3d . 3e. 3f. 3g.
Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact
number - (PER) or (Corps - 404, 10 stream length
Permanent (P) or intermittent DWQ -non-404, width (linear
Temporary (T) (INT)? other) (feet) feet)
S1 ®P ? T Permanent fill Gum Swamp ® PER
? INT ® Corps
? DWQ 70 7
S2 ? P ? T ? PER ? Corps
? INT ? DWQ
S3 ? P ? T ? PER ? Corps
? INT ? DWQ
S4 ? P ? T ? PER ? Corps
? INT ? DWQ
S5 ? P ? T ? PER ? Corps
? INT ? D'WQ
S6 ? P ? T ? PER ? Corps
? INT ? DWO
3h. Total stream and tributary impacts 7 Perm
0 Temp
_
3i. Comments:
Page 4 of 10
PCN Form - Version 1.3 December 10, 2008 Version
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individual) list ail open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbcdy
impact number - (if applicable) Type of impact Wate: body type Area of impact (acres)
Permanent (P) or
Temporary (T)
01 ?P?T
02 ?P?T
03 ?P?T
04 ?P?T
4f. Total open water impacts
4g. Comments: N/A
5. Pond or Lake Construction
If and or lake construction proposed, then complete the chart below.
5a. 5b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or purpose (acres)
number of pond
? Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments: N/A
5h. Is a dam high hazard permit required?
? Yes [A No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for D\NQ)
If project will impact a protected riparian buffer, then complete the chart below. if yes, then individually list all buffer impacts
below. If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
LJ Neuse ? Tar-Pemlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number- Reason Buffer Zone 1impact Zone 2impact
Permanent (P) or for Stream name mitigation (square feet) (square feet)
Temporary T impact re wired?
B1 ®P ? T Bridge Gum Swamp Nos 353 0
B2 ®P ? T Road Gum Swamp ? Yes
? N 3576 869
way o
B3 ?P?T ?Yes
? No
6h. Total buffer impacts 3929 869
6i. Comments: N/A
Page 5 of 10
D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize tho proposed impacts in designing project:
Measures taken during the design process to avoid or minimize impacts include the use of NCDOT Best Management
Practices, increasing the length of the propoed bridge, and reducing the number of bents in the water
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Construction techniques used to minimize impacts include spanning the stream to avoid needing temporary in stream
access.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State? ? Yes ®No
Due to minimal permanent impacts NCDOT does not
propose mitigation for this project.
2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps
2c.
If yes, which mitigation option will be used for this
project? ? Mitigation bank
? Payment to in-lieu fee program
? Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank: not applicable
3b. Credits Purchased (attach receipt and letter) LType Quantity
3c. Comments:
4. Complete if Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ? Yes
4b. Stream mitigation requested: 0 linear feet
4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold
4d . Buffer mitigation requested (DWQ only): N/A square feet
4e . Riparian wetland mitigation requested: acres
4f. Non-riparian wetland mitigation requested: N/A acres
4g . Coastal (tidal) wetland mitigation requested: N/A acres
4h . Comments: N/A
5. Complete if Using a Permittee Responsible Mitigation Plan
5a . If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Page 6 of 10
PCN Form - Version 1.3 December 10, 2008 Version
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) -required by DWO
6a. Will the project result in an impact within a protected riparian buffer that requires 0 Yes ®No
buffer mitigation?
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
6c. 6d. 6e.
Zone Reason for impact Total impact Multiplier Required mitigation
(square feet) (square feet)
Zone 1 -
N/A 3 (2 for Catawba)
Zone 2 N/A 1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
N/A
6h. Comments: N/A
Page 7 of 10
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
la- Does the project include or is it adjacent to protected riparian buffers identified [?] Yes ? No
within one of the NC Riparian Buffer Protection Rules?
1b. If yes, then is a diffuse flow plan included? If no, explain why.
? Yes ? No
Comments: see attached permit drawings
2. Stormwater Management Plan
2a. _
What is the overall percent imperviousness of this project?
N/A %
2b. Does this project require a Stormwater Management Plan? ? Yes ? No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
See attachment permit drawings.
? Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? ? DWQ Stormwater Program
DWO 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project? riot applicable
? Phase II
? NSW
3b. Which of the fol!owing locally-implemented stormwater management programs ? USMP
apply (check all that apply):
? Water Supply Watershed
? Other:
3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No
attached?
4. DWQ Stormwater Program Review
? Coastal counties
? HQW
4a. Which of the following state-implernented stormwater management programs apply I ? ORW
(check all that apply): ? Session Law 2006-246
? Other:
4b. Has the approved Stormwater Management Plan with proof of approval been
? Yes ? No
attached?
5. DWQ 401 Unit Stormwater Review
5a . Does the Storrmve.ter Management Plan meet the appropriate requirements? S Yes ? No
51b . Have all of the 401 Unit submittal requirements been met? 1z Yes ? No
Page 8 of 10
PCN Form - Version 1.;1 December 10, 2008 Version
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
la. Does the project involve an expenditure of public (federal/state/local) funds or the ? Yes ? No
?
use of public (federal/state) land
1 b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ? Yes ? No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c. If you answered yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
® Yes ? No
letter.)
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, I ? Yes ®No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b . Is this an after-the-fact permit application? ? Yes ®No
2c. If you answered 'yes' to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a . Will this project (based on past and reasonably anticipated future impacts) result in ? Yes ®No
additional development, which could impact nearby downstream water quality?
3b . If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
Due to the minimal transportation impact resulting from this bridge replacement, this project will neither influence nearby
land uses nor stimulate gro•Nth. Therefore, a detailed indirect or cumulative effects study will not be necessary.
4. Sewage Disposal (DWQ Requirement)
4a . Clearly detail the ultimate treatment methods and disposition (.non-discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
not applicable
Page 9 of 10
PCN Form - Version 1.3 December 10, 2008 Version
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or ? Yes ®No
habitat?
5b. Have you checked with the USFVVS concerning Endangered Species Act ® Yes ? No
impacts?
Raleigh
5c. If yes, indicate the USFWS Field Office you have contacted.
? A
h
ill
ev
e
s
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
USFWS list of Threatened and Endangered Species for Lenior County (January 31, 2008)
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
Index of Waterbodies with Essential Fish Habitat
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or or tribal
governments have designated as having historic or cultural preservation ? !es N No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeolcgy)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain? ® Yes ? No
8b. If yes, explain how project meets FEMA requirements: NCDOT Hydraulics Unit will coordinate with FEMA
8c. What source(s) did you use to make the floodplain determination? FEMA maps
I;''-&.9CrY1 rGap,I'D <<<6?9
Applicant/Agent's Printed Name Applica t/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant
is provided.)
Page 10 of 10
U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT COA
Action Id. 200610721 County: Lenoir. U.S.G.S.Quad: 'Falling Creek
NOTIFICATION OF JURISDICTIONAL DETERABNATION
Property Owner/Agent: North Carolina Department of Transportation
Address: Division 2 Environmental Officer
Post Office Boa 1587
Greenville. NC 27835
Telephone No.: 252-830-3490
Property description
Size (acres) corridor Nearest Town Kinston
Nearest Waterway Gum Swamp Creek River Basin Neuse
USGS HUC 03020202 Coordinates N 35.3006 W 77.6970
Location description Bridge no. 110 on NCSR 1544 over Gum Swamp Creek, west of Kinston. Lenoir County, North
Carolina. TIP ii B-4570.
Indicate Which of the Following Apply:
A. Preliminary Determination
Based on preliminary information, there may be wetlands on the above described property. We strongly suggest you have
this property inspected to determine the extent of Department of the Army (DA) jurisdiction. To be considered final, a
jurisdictional determination must be verified by the Corps. This preliminary determination is not an appealable action
under the Regulatory Program Administrative Appeal Process ( Reference 33 CFR Part 331).
B. Approved Determination
There are Navigable Waters of the United States within the above described property subject to the permit requirements of
Section 10 of the Rivers and Harbors Act and Section 404 of the Clean Water Act. Unless there. is a change in the law or
our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this
notification.
X There are waters of the U.S. including wetlands on the above described' project area subject to the permit requirements of
Section 404 of the Clean Water Act (CWA)(33 USC § 1344). Unless there is a change in the law or our published
regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification.
We strongly suggest you have the wetlands on your property delineated. Due to the size of your property and/or our
present workload, the Corps may not be able to accomplish this wetland delineation in a timely manner. For a more timely
delineation, you may wish to obtain a consultant. To be considered final, any delineation must be verified by the Corps.
X The waters of the U.S. including wetland on your project area have been delineated and the delineation has been
verified by the Corps. We strongly suggest you have this delineation surveyed. Upon completion, this survey should be
reviewed and verified by the Corps. Once verified, this survey will provide an accurate depiction of all areas subject to
CWA jurisdiction on your property which, provided there is no change in the law or our published regulations, may be
relied upon for a period not to exceed five years.
_ The wetlands have been delineated and surveyed and are accurately depicted on the plat signed by the Corps
Regulatory Official identified below on _. Unless there is a change in the law or our published regulations, this
determination may be relied upon for a period not to exceed five years from the date of this notification.
There are no waters of the U.S., to include wetlands, present on the above described property which are subject to the
permit requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law or our
published regulations, this determination may be relied upon for a period not to exceed five years from the date of this
notification:
The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act
(CAMA). You should contact the Division of Coastal Management in Washington, NC, at (252) 946-6481 to determine
their requirements.
Page 1 of 2
STORMWATER MANAGEMENT PLAN
Project: 33776.1.1
TIP No. B-4570
Lenoir County
Date: 10/27/2009
Hydraulics Project Manager: James R. Rice, P.E. (HDR),
Marshal Clawson, P.E. (NCDOT Hydraulics Unit)
ROADWAY DESCRIPTION
The project B-4570 consists of constructing a new bridge 70 feet long to replace the
existing bridge #79 in Lenoir County on SR 1544 over Gum Swamp. The total project
length is 0.085 miles. The project creates impacts to Gum Swamp, which is located in the
Neuse River Basin. The project drainage system consists only of deck drains.
Jurisdictional Stream: Gum Swamp
ENVIRONMENTAL DESCRIPTION
The project is located within the Neuse River Basin and Lenoir County which is not a
CAMA county. Gum Swamp has been classified as a jurisdictional stream and therefore
riparian buffer rules apply. There are ponds directly up and down stream of the proposed
crossing. These ponds both show up on the USGS and soils maps, so they will be
protected by buffers as well.
There are numerous beaver impoundments in the area which have backed up water. On
the North West corner, the surface water comes all the way to the toe of the existing
roadway fill slope and roughly follows the tree line heading North away from the project
area. A top of bank was estimated in the field and plotted on the plans. This estimated
top of bank is what the Buffer Zones were based on. Since the surface water comes all
the way to the toe of existing fill slope on the North West comer, there will not be any
buffer impacts to this quadrant.
In order to maintain existing drainage patterns, a lateral ditch was required on the South
West corner. This ditch ties back into the existing drainage ditch before reaching the
buffer for Gum Swamp.
There are wetland areas that will be impacted by the proposed project. Wetland impacts
have been reduced to a minimum by keeping roadway fill slopes at 3:1. At the bridge, a
single span bridge will be utilized to eliminate the need for piers in the channel. The only
permanent impacts to the Gum Swamp surface waters will be a small impact due to the
spillthrough rip rap and a small area due to roadway fill. There will be a small temporary
surface water impact due to the removal of the existing pier.
The existing structure has deck drains that discharge directly into the surface water.
Deck drains have been added to the proposed structure. The deck drains on the proposed
structure will not discharge directly into the surface water, but they will discharge on the
spill-through rip rap under the bridge. Deck drains were required due to the length of the
structure, the structure profile's low gradient, and width of shoulder.
BEST MANAGEMENT PRACTICES AND MAJOR STRUCTURES
The primary goal of Best Management Practices (BMPs) is to prevent degradation of the
states surface waters by the location, construction and operation of the highway system.
The BMPs are activities, practices and procedures taken to prevent or reduce stormwater
pollution and should be used whenever possible.
The BMP measures used on this project to reduce stormwater impacts are:
• Bridge Deck Drains have been placed so they do not directly discharge into
Gum Swamp.
PROPERTY OWNERS
NAMES AND A DDRESSES
PARCEL NO. NAMES ADDRESSES SITE NO.
O VERNON C. HILL 199 WILL BAKER RD I
KINSTON, NC 28501
AMANDA G. ROCHELLE 3117 WADELAND DR
1
O
2 KINSTON, NC 28501
2831 KING WILLIAM CT
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