20072175 Ver 1_Application_20071219

December 18, 2007
Dear Mr. Lund
Here in the NCDOT Division 10 Environmental Office we strive to produce the best
product we can when applying for Permits through the application process. However, in
our rush to complete several packets before the New Year it was brought to our attention
that there are several minor mistakes in our last Permit Packet, SR 3468 (Weddington
Road). Please. review the new Cover Letter and PCN for the corrections.
Thank You,
w_
Joel oward
072175
Environmental Specialist
NCDOT, Division 10

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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY
GOVERNOR
December 17, 2007
DIVISION OF HIGHWAYS
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W. LYNDO TIPPETT
SECRETARY
U. S. Army Corps of Engineers ~`J
Asheville Regulatory Field Office p 7 2 1 ! 5
Attention: Mr. Steve Lund, MS, PWS
151 Patton Avenue, Room 208
Asheville, NC 28801-5006
Subject: Proposed roadway improvements associated with U-5025 (MA10181R),
Weddington Road (SR 3468) from north of I-485 to the intersection of Pleasant
Plains Road (SR 3448), Mecklenburg County. WBS Element Number 37162
(DWQ Minor Permit Fee $200.00).
Dear Mr. Lund:
The North Carolina Department of Transportation (NCDOT) proposes to widen Weddington
Road in Mecklenburg County from north of I-485 to the intersection of Pleasant Plains Road.
The existing pavement width is 20 feet and the proposed pavement width, which would include
the addition of a bicycle lane, will be 33 feet. The total project length is 0.9 of a mile.
It will be necessary to replace the existing 7.3 foot x 6.5 foot x 110 foot long culvert, which is in
poor condition, with a 12 foot by 9 foot x 143 foot long pre-cast culvert. The total length of the
proposed impacts for this project would be 101 feet, which includes bank stabilization activities.
Surveys for threatened and endangered species have been performed in the project area and our
biological conclusion is that the project will have "no effect" on any federally listed species. A
fresh water mussel survey was performed in July 2006, the results of which are attached.
The purpose of this letter is to request authorization to construct the proposed project under a
Section 404 Nationwide 14 permit and the corresponding Section 401 Water Quality Certfication
No. 3704. If you should have any questions regarding this request, please feel free to contact Mr.
Larry Thompson, Division Environmental Supervisor at [e-mail] or (704)
982-0101.
Sincerely,
Barry S. Moose, PE
Division Engineer
716 West Main Street, Albemarle, NC 28001 • [phone] • Fax [phone]

LBT
cc: Mr. Brian Wrenn, NCDWQ
Mrs. Polly Lespinasse, NCDWQ
Mrs. Marla Chambers, NCWRC
Mr. Troy Wilson, USFWS
Mr. Larry Thompson, DEO
Mr. Phil Suggs, REFOE
2

SR 3468 (Weddington Road)
Mecklenburg County
Office Use Only: Form Version Mazch OS
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
I. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ^ Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: Nationwide 14
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ^
4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII,
and check here: ^
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ^
II. Applicant Information
Owner/Applicant Information
Name: Barry Moose P. E.
Mailing Address: N C Department of Transportation
716 West Main Street
Albemarle N.C. 28001
Telephone Number:~704) 982-0101 Fax Number: [phone]
E-mail Address: bmoose(a~dot state nc us
2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter
must be attached if the Agent has signatory authority for the owner/applicant.)
Name: Barry Moose P E.
Company Affiliation: N C Department of TransQortation
Mailing Address: 10~' Highway Division
716 West Main Street
AlbemarleN.C.28001
Page 1 of 9

SR 3468 (Weddington Road)
Mecklenburg County
Telephone Number: [phone] _
Fax Number:__ [phone]
E-mail Address: bmoosena,dot.state.nc.us
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion,
so long as the property is clearly defined. For. administrative and distribution purposes, the
USACE requires information to be submitted on sheets no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans are
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps are provided.
1. Name of project: Weddington Road (SR 3468) from south of I-485 to the intersection of
Pleasant Plains Road (SR 3448}
2. T.I.P. Project Number or State Project Number (NCDOT Only): U-5025
3. Property Identification Number (Tax PIN):
4. Location
County: Mecklenburg County Nearest Town: Matthews
Subdivision name (include phase/lot number):
Directions to site (include road numbers/names, landmarks, etc.):From the town of Matthews
travel south on South Trade Street (1.2 miles) to the intersection of Weddington Road,
Pleasant Plains and Trade Street. Turn right onto WeddinQton Road. The project is located
approximately 0.4 mile ahead.
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): 35° OS' 56.74" N / 80° 43' 56.24" W
6. Property size (acres):
7. Name of nearest receiving body of water: Unnamed Tributa~ to Four Mile Creek
8. River Basin: Catawba (hydrologic Unit 03050103)
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.)
Page 2 of 9

SR 3468 (Weddington Road)
Mecklenburg County
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: The proiect area, for the most~art is wooded on both sides
of Weddington Road There are single family_ residences alongLthe proiect area and
commercial applications on the southern end of the project.
10. Describe the overall project in detail, including the type of equipment to be used: If
approved, WeddinQt~n Road would be widened from 20 feet to 33 feet, which would include
a bicycle path along with curb and gutter It will be necessary to replace the existing culvert
under Weddington Road The work area would be cleared as needed, followed by the
implementation of an improved erosion control plan The existing 7.3 feet wide x 6.5 feet
wide x 110 foot long culvert will be replaced by a 12 foot wide x 9 foot high x 143 foot long
pre-cast concrete culvert The following equipment would be used in order to construct this
~roiect• track hoe vibrator roller dump truck boom truck motor grader and paving
equipment
11. Explain the purpose of the proposed work: Weddington Road is experiencing high traffic
volumes and the current width and ali~mnent creates a safety concern for motorists and
especially bicycle traffic The proposed improvements would help reduce safety issues by
providing wider travel lanes and a separate bi~cle path '
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules. N/A
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
N/A
Page 3 of 9

SR 3468 (Weddington Road)
Mecklenburg County
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should be shown on a delineation map, whether or not impacts are proposed to these systems.
Wetland and stream evaluation and delineation forms should be included as appropriate.
Photographs may be included at the applicant's discretion. If this proposed impact is strictly for
wetland or stream mitigation, list and describe the impact in Section VIII below. If additional
space is needed for listing or description, please attach a separate sheet.
1. Provide a written description of the proposed impacts: There will be 101 linear feet of
permanent impacts to an unnamed tributary to Four Mile Creek as a result of this project
being constructed.
2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and flooding.
Wetland Impact
Site Number
(indicate on map)
Type of Impact Type of Wetland
(e.g., forested, marsh,
herbaceous, bog, etc.) Located within
100-year
Floodplain
es/no Distance to
Nearest
Stream
linear feet Area of
Impact
(acres)

Total Wetland Impact (acres)
3. List the total acreage (estimated) of all existing wetlands on the property:
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the linear footprint for both the original and relocated streams
must be included. To calculate acreage, multiply length X width, then divide by 43,560.
Page 4 of 9

SR 3468 (Weddington Road)
Mecklenburg County
Stream Impact
Number
(indicate on ma
Stream Name
Type of Impact
perennial o~
Intermittent. Average
Stream Width
Before Im act Impact
Length
(linear feet) Area of
Impact
(acres)
Site 1 UT to Four Mile
Creek Culvert
Replacement perennial
10.5 feet 101 feet 0.024

Total Stream Impact (by length and acreage) 101 feet 0.024
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill excavation dyed floodin , draina e, bulkheads, etc.
Open Water Impact

Site Number
indicate on ma
Name of Waterbody

(if applicable)

Type of Impact Type of Waterbody

(lake, pond, estuary, sound, bay,
ocean, etc. Area of

Impact
acres)

Total Open Water Impact (acres)
6. List the cumulative im act to all Waters of the U.S. resultin from the ro'ect:
Stream Impact (acres): 0.024
Wetland Impact (acres): -
Open Water Impact (acres): -
Total Impact to Waters of the U.S. (acres) -
Total Stream Ixn act (linear feet): 101
7. Isolated Waters .
Do any isolated waters exist on the property? ^ Yes ®No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USACE.
Page 5 of 9

SR 3468 (Weddington Road)
Mecklenburg County
8. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands
Describe the method of construction (e.g., daxn/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.. The proposed impacts have
been minimized as much as~ossible without compromising the needed shoulder slopes for the
roadway improvements The request for impacts related bank stabilization on the inlet and outlet
of the new culvert are requested with the anticipation that the banks will need to be cleared of
vegetation in these areas in order to construct the~roject
Erosion and sediment control measures for this project will be monitored daily to reduce the
potential for unintentional discharges during the project construction.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function -and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
Page 6 of 9

SR 3468 (Weddington Road)
Mecklenburg County
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete.
An applicant may also choose to review the current guidelines for stream restoration in DWQ's
Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state.nc.us/ncwetlands/strmgide.html.
Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction.. Please attach
a separate sheet if more space is needed.
Andrequests received for mitigation will be routed through the NC Ecosystem Enhancement
Program.
2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement
Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at
[phone] to determine availability, and written approval from the NCEEP indicating
that they are will to accept payment for the mitigation must be attached to this form. For
additional information regarding the application process for the NCEEP, check the NCEEP
website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please
check the appropriate. box on page five and provide the following information:
Amount of stream mitigation requested (linear feet):
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount ofNon-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
IX. Environmental Documentation (required by DWQ)
1. Does the project involve an expenditure of public (federaUstate/local) funds or the use of
public (federaUstate) land? Yes ® No ^
2. If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at [phone] to review current thresholds for environmental documentation.
Yes ^ No
3. If yes, has the document review been finalized by the State Clearinghouse? If so, please
attach a copy of the NEPA or SEPA final approval letter. Yes No ^
Page 7 of 9

SR 3468 (Weddington Road)
Mecklenburg County
X.
Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify )? Yes ^ No
2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers.
If buffer mitigation is required calculate the required amount of mitigation by applying the
buffer multipliers.
3 (2 for Catawba)
1.5
3.
* Impact Required
Zone .__.__~_ r _~, Multiplier *,~;~;,,,,;~„
Total ~ ~ ~ ~
* Zone 1 extends out 30 feet perpendicular from the top of the neaz bank of channel; Zone 2 extends an
additiona120 feet from the edge of Zone L
If buffer mitigation is required, please discuss what
Donation of Property, Riparian Buffer Restoration ,
Riparian Buffer Restoration Fund). Please attach all
within 15A NCAC 2B .0242 or .0244, or .0260.
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
stormwater controls proposed in order to protect surface waters and wetlands downstream from
the property. If percent impervious surface exceeds 20%, please provide calculations
demonstrating total proposed impervious level. The construction of this project will increase
impervious area by approximately 2 23 acres Storm water will be directed away from the
culvert site via drop inlets (curb and gutter) and discharged into a preformed scour holes on the
north side of the project and flow through v~etated buffers to the stream. Storm water on the
south side of the project will be directed into lateral base ditches lined with ener~y dissipators,
before entering the stream
type of mitigation is proposed (i.e.,
Enhancement, or Payment into the
appropriate information as identified
Page 8 of 9

SR 3468 (Weddington Road)
Mecklenburg County
XII. Sewage Disposal (required by DWQ)
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.
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules?
Yes ^ No
Is this anafter-the-fact permit application? Yes ^ No
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ^ No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with
the most recent North Carolina Division. of Water Quality policy posted on our website at
http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description:
XV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
~~.
December 14 2007
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 9 of 9

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STREAM PROFILE ~O srori"s
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WETLAND PERMIT IMPACT SUMMARY
TLANDIMPACTS SURFACE WATER IMPACTS

Site
No.

Station
(Fromlfo)

Structure
Size /Type
Permanent
Fillln
Wetlands
(ac)
Temp.
Fillln
Wetlands
(ac)
Excavation
in
Wetlands
(ac)
Mechanized
Clearing
in Wetlands
(ac) an
Clearing
in
Wetlands
(ac)
Permanent
SW
impacts
(ac)
Temp.
SW
impacts
(ae) Existing
Channel
Impacts
Permanent
(ft) Existing
Channel
Impacts
Temp.
(ft)
Natural
Stream
Design
(ft)
1 -L- 49+14 to 49+52 12' x 9' PRECAST CONCRETE 0.043 0.012 101 42
BOX CULVERT

TOTALS: 0.04 0.01 101 42
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DIVISION OF HIGHWAYS
~ y ~ ~ ~ ~ ~ ~ MECgI.ENBURG COUNTY
~y PROJECT:3716R (MA10181R)
WEDDINGTON ROAD (SR 3468)
FROM SOUTH OF I-485 TO THE
INTERSECTION OF PLEASANT
PLAINS RD (SR 3448)
SHEET OF 14/ 5/ 0?
NOP,TH CPROLINA

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DIVISION OF HIGHWAYS
MECgLENBURG COUNTY
PROJECT: 37162 (MA1018llt)
WEDDINGTON ROAD (SR 368)
FROM SOUTH OF I-~85 TO THE
INTERSECTION OF PLEASANT
PLAINS RD (SR 3~~8)
SHEET OF 12 / 5 / 07

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NAMES AND ADDRESSES
REFERENCE NO. NAMES
5~ R.L. Williams $ Jane F. Wi~liams
55 Mahlon H. PriveEEe $ Jesn M. PriveEEe
ADDRESSES
P.O.Boz 1038
MaEEhew., NC 28106
P.O.Boa 238
MabEhews, NC 28106

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DIVISION OF HIGHWAYS
MECgLENBURG COUNTY
~° ®~ ® ~ ~ ~ PROJECT: 37162 (MA10181R)
WEDDINGTON ROAD (SR 3(68)
SCALE: 1" :2000' FROM SOUTH OF I-~85 TO THE
INTERSECTION OF PLEASANT
PLAINS RD (SR 3~J8)
SHEET OF 14 / 5 / 07

..
CALCULATION SHEET FOR WEDDINGTON ROAD.
TOTAL LENGTH OF PROJECT "L" .909 MII,ES = 4799.52'
ORIGINAL WIDTH OF ROAD 20 FEET
NEW ROAD WIDTH 33' PLUS 4' BICYCLE PATH
4799.52
x zo
95990.4
-43560
2.20 AC EXISTING IlViPERVIOUS AREA
4799,52
X 17
81591.84
:43560
1.87 AC NEW IMPERVIOUS AREA
TOTAL LENGTH OF PROJECT "Y-5" .215 MII.ES =1135.2'
ORIGINAL WIDTH OF ROAD (AVERAGE 22')
NEW ROAD WIDTH (AVERAGE 36')
1135.2
X 20
22740
-=43560
.521 AC EXISTING IlVIPERVIOUS AREA
1135.2
X 14
15892.8
.=-43560
.36 AC NEW IlVIPERVIOUS AREA
TOTAL IlVIPERVIOUS AREA FOR "L"
2.20+.521 =2.7AC
TOTAL IMPERVIOUS AREA FOR "Y-5"
1.87+.36=2.23
TOTAL IlVIPERVIOUS AREA
2.7+2.23=4.93

~~4
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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY
GOVERNOR
Memorandum to: Larry Thompson, DEO, Division 10
From: Karen M. Lynch, Environmental Supervisor
Natural Environment Unit, Biological Surveys Group
Subject: Freshwater mussel survey report for proposed culvert/bridge
replacements for crossings on an unnamed tributary to Fourmile Creek
and an unnamed tributary to Twelvemile Creek, Union County
The North Carolina Department of Transportation (NCDOT) proposes to replace a
culvert on Weddington Road (Moving Ahead Project) over an unnamed tributary (ut) to
Fourmile Creek and a bridge over an unnamed tributary to Twelvemile Creek, both in
Union County.
The federally endangered Carolina heelsplitter (Lasmigona decorata) is known to
occur in the Catawba and Yadkin River Basins in NC (and in several other SC basins.)
The Carolina heelsplitter has a fragmented, relict distribution, and is known to be
surviving in very few streams in NC including Waxhaw Creek (last live mussel was seen
in 1998) (Catawba River system) and Goose and Duck Creeks (Yadkin-Pee Dee River
system), all in Union County, North Carolina. The low numbers of individuals and the
restricted range of the surviving populations make them extremely vulnerable to
extirpation from a single catastrophic event.
Habitat for this species has been reported from small to large streams and rivers as
well as ponds that were likely former millponds on some of the smaller streams within
the species' historic range. Most individuals have been found along well-shaded
streambanks with mud, muddy sand, or muddy gravel substrates. Shade to ameliorate
warm waters and stability of stream banks appears to be very important to this species.
July 27, 2006
LYNDO TIPPETT
SECRETARY
Prior to conducting in-stream surveys, a review of the NC Natural Heritage
Program (NCNHP) database was conducted to determine if there were any records of rare
mussels within the proposed project study area or receiving waters. This review indicated
that Fourmile Creek and its tributaries (subbasin 030834) did not have any historical
records of Carolina heelsplitter (in NC waters). Twelvemile Creek (including tributaries
- subbasin 030838) contained other records of state-listed mussels, Villosa constricta and
V. vaughniana but did not contain heelsplitter records (in NC waters). However, the
MAILING ADDRESS:
NC DEPARTMENT OF TRANSPORTATION
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS
NATURAL ENVIRONMENT UNIT
1598 MAIL SERVICE CENTER
RALEIGH NC 27699-1598
TELEPHONE: [phone] or
919-715-1335
FAX: [phone]
LOCATION:
PARKER LINCOLN BUILDING
2728 CAPITAL BLVD. SUITE 240
RALEIGH NC 27804
WEBS/TE.' WVWY.NCDOT.ORG

Carolina heelsplitter has been recorded in this subbasin in Waxhaw Creek where it was
last documented in 1998 although a relict shell was found more recently (2005) by The
Catena Group.
A mussel survey was conducted on these two unnamed tributaries on July 18, 2006
by Karen M. Lynch (Permit No. NC-2006ES 165) and Logan Williams (Permit No. NC-
2006ES 166). Mussel surveys were conducted from a point approximately 400 meters
downstream of the project crossing to a point approximately 200 meters upstream. Visual
(batiscope) and tactile methods were used to survey for mussels.
A survey of the ut to Fourmile Creek (SR 3468/Weddington Road) revealed poor
habitat for mussels. The stream was blown out directly below the pipe and the unnamed
tributary was too dry (both. above and below the culvert to support mussel populations).
The ut continued for 70 m to the confluence with Fourmile Creek. (Fourmile Creek was
then surveyed above (200 m) and below (400 m) the confluence). This creek had been
stabilized in the past by large rocks in the banks. Habitat contained much boulder and
bedrock and in areas of sand/gravel was unconsolidated, providing unstable habitat. No
mussels were found in the 2.5-hour mussel survey.
The unnamed tributary to Twelvemile Creek (SR 1304/PineOak Road) also
contained poor habitat for mussels. The stream appears to be flashy with a large amount
of trash that had washed into the stream during storms. Below the bridge, the site is
impacted by sedimentation and banks are eroding. A large development is currently
underway adjacent to the unnamed tributary. No mussels were found during the 1.3 hour
mussel survey.
It is recommended that the NCDOT Division 10 consult with the USFWS regarding
concurrence for these projects.

~! / ~ '' ~ END PROJECT
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DIVISION OF HIGHWAYS
~(T ~ ~ ~ 1®T ~ ~ ~ MECgLENBURG COUNTY
\~YY ~~J PROJECT: 87162 (MA10181R)
WEDDINGTON ROAD (SR 3468)
FROM SOUTH OF I-~85 TO THE
INTERSECTION OF PLEASANT
PLAINS RD (SR 3~~(8)
SHEET OF 12/ 5/ 07
~, NORTH CAROLINA

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DIVISION OF HIGHWAYS
MECgI.ENBURG COUNTY
°~° ®~ ® ~ ~ ~ PROJECT: b7162 (MA1O181R)
WEDDINGTON ROAD. (SR 368)
SCALE: 1° :2000' FROM SOUTH OF I-~85 TO THE
INTERSECTION OF PLEASANT
PLAINS RD (SR b~~8)
SHEET OF 12/ 5/ 07

Existing Concrete Arch Culvert Documentation:
The following photos serve as documentation of the existing conditions of the 7.3' x 6.5' reinforced
concrete arch culvert. Overall, this culvert is in poor condition.
Upstream end of Culvert
*Looking downstream @ upstream end of culvert; observed first 15 feet of culvert bottom slab
washed away.

Upstream Channel
size.
*Upstream of Culvert; notice high concentration of cobbles and small boulders 6" to 18" in average

Downstream end of culvert
*Looking upstream @ downstream end of culvert; observed 5 foot scour hole at end of culvert.

Downstream Channel
the channel as it continues into Fourmile Creek. U