NCDOT 148-96 Modification Bridge No. 13 (Alligator River)

State of North Carolina
Department of Environment,
Health and Natural Resources . 4 • •
Division of Coastal Managementgistrawarik
I
James B. Hunt, Jr., , Secrnor
etary p E I-I N R
Jonathan B. Howes, Secrets
Roger N. Schecter, Director
24 February 1997
Mr. Randall Turner, Division Environmental. Officer
Division One
North Carolina Department of Transportation
Post Office Box 850
Edenton, North Carolina 27932
Dear Mr. Turner:
This letter is in reference to your correspondence dated 7 February 1997 which was
received in this office on 21 February 1997 requesting a change in CAMA Major Permit No. 148-
96. CAMA Major Permit No. 148-96 was issued to the Department of Transportation on 28
October 1996 for the replacement of Bridge No. 13 with an aluminum box culvert. The project
site is located on SR 1320 over an unnamed manmade canal off Alligator River south of Columbia
in Tyrrell County, North Carolina.
NCDOT proposes to modify the existing permit to install a 54' long box culvert instead
of one 43' long. This modification will result in the additional excavation of ±15.3 cubic yards
of material from below the NWL as well as the removal of an additional ±73 cubic yards of high
ground. The additional length will also result in the realignment of a roadside drainage ditch.
Your request to modify the permit to change from a 43' long box culvert to a 54' long box culvert
is hereby authorized. All previous permit conditions including the 31 December 1999 expiration
date still apply and remain unchanged. Your modified application and plats submitted with your
7 February 1997 request will become a permanent part of the file.
Thank you for your time and cooperation in this matter. If you have any questions,-please
don't hesitate to contact me or David Moye in the Washington Regional Office [phone]
ext. 298.
Sincerely,
Te y E. Moore
District Manager
Washington Regional •. ,0 Itirr
cc: David Moye - DCM 17 FF1'Fj '<,a
Pres Pate - DCM � r;'t`
John Parker - DCM
Raleigh Bland - USACOE '1 e4,7
1424 Carolina Avenue,Washington,North Carolina 27889 Telephone [phone] F•
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An Equal Opportunity Affirmative Action Employer 50%recycled/10%post-consumer pa �

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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
JAMES B. HUNT JR. DIVISION OF HIGHWAYS GARLAND B. GARRETT JR.
GOVERNOR P.O.BOX 25201,RALEIGH,N.C. 27611-5201 SECRETARY
February 7, 1997
•
N. C. Department of Environment,
Health, and Natural Resources
Division of Coastal Management
Washington District Office
43 Washington Square Mall
Washington, NC 27889
ATTENTION: Mr. Terry Moore, District Manager
Reference: CAMA Permit No. 148-96
In the application for the referenced permit, the Department of Transportation
indicated that the replacement structure for the existing bridge was to be a 43 foot long
corrugated aluminum box culvert. However, the Department has learned that the only
available structure that will meet the Department's requirements is actually 54 feet long.
The revised design to accommodate the longer box culvert will result in a slight
shift in the base ditch which is located in the southeast quadrant of the project.
Quantities of fill and excavation requirements will also change. The revised figures and
quantities, including a revised MP-5 form are included in this mailing.
In view of the relatively minor changes proposed, the Department requests that
the existing CAMA permit be refined to authorize the work as described.
Thank you for your time and cooperation. Please call M. Randall Turner at (919)
482-7977 if additional information is needed.
S.
H. Franklin Vick, P.E., Manager
Planning & Environmental Branch
HFV/mrt
Enclosures
cc: D. R. Conner, PE., Division Engineer
A. L. Hankins, PE., Hydraulics Unit
Jimmie Lee, Bridge Maintenance Unit
M. Randall Turner, Division Environmental Officer
'i

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Form DCM-MP-5
BRIDGES AND
CULVERTS
Attach this form to Joint Application for CAIv1A Major
Permit,Form DCM4v1P-1. Be sure to complete all other (4) Will all, or a part of, the existing culvert be
sections of the Joint Application that relate to this removed?(Explain)
proposed project.
g. Length of proposed bridge
1. BRIDGES N/A
h. Width of proposed bridge
a. Public Private i. Height of proposed bridge above wetlands
b. Type of bridge(construction material)
j. Will the proposed bridge affect existing water flow?
Yes No
If yes,explain
c. Water body to be crossed by bridge
d. Water depth at the proposed crossing at MLW or
NWL k. Navigation clearance underneath proposed bridge
e. Will proposed bridge replace an existing bridge?
Yes No 1. Will the proposed bridge affect navigation by
If yes, reducing or increasing the existing navigable
(1) Length of existing bridge opening? Yes No
•
(2) Width of existing bridge If yes,explain
(3) Navigation clearance underneath existing
bridge
(4) Will all, or a part of, the existing bridge be
removed?(Explain)
m. Will the proposed bridge cross wetlands containing
no navigable waters? Yes No
If yes,explain
f. Will proposed bridge replace an existing culvert(s)?
Yes No
If yes,
(1) Length of existing culvert
(2) Width of existing culvert n. Have you contacted the U.S. Coast Guard
(3) Height of the top of the existing culvert above concerning their approval?
the MHW or NWL Yes No
If yes,please provide record of their action.

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..._ .
Form DCM-MP-5
j. Will the proposed culvert affect existing navigation
2. CULVERTS potential? Yes X No
If yes,explain Ditch not navigable now
a. Water body in which culvert is to be placed
Drainage Canal
b. Number of culverts proposed 1 3. EXCAVATION AND FILL
c. Type of culvert(construction material, style) a. Will the placement of the proposed bridge or culvert
Corrugated Aluminum Box Culvert require any excavation below the MHW or NWL?
X Yes No
If yes.
d. Will proposed culvert replace an existing bridge? (1) Length of area to be excavated 60 ft
X Yes No (2) Width of area to be excavated 35 ft
If yes, (3) Depth of area to be excavated 3.0 ft
(1) Length of existing bridge 45.6 ft (4) Amount of material to be excavated in cubic
(2) Width of existing bridge 24.5 ft (clear yards 233.3 cubic yards
roadway)
(3) Navigation clearance underneath existing b. Will the placement of the proposed bridge or culvert
bridge +/-6.0 ft require any excavation within: NO
(4) Will all, or a part of, the existing bridge be _Coastal Wetlands SAVs_Other Wetlands
removed?(Explain) All of existing bridge to If yes,
be removed (1) Length of area to be excavated
(2) Width of area to be excavated
(3) Amount of material to be excavated in cubic
e. Will proposed culvert replace an existing culvert? yards
Yes X No
If yes, c. Will the placement of the proposed bridge or culvert
(1) Length of existing culvert require any highground excavation?
(2) Width of existing culvert X Yes No
(3) Height of the top of the existing culvert above If yes,
the MEW or NWL (1) Length of area to be excavated* 54 ft
(4) Will all, or a part of, the existing culvert be (2) Width of area to be excavated 20 ft (2 x io
removed?(Explain) ft)
(3) Amount of material to be excavated in cubic
yards 280 cubic yards(7 ft deep)
f. Length of proposed culvert +/- 54 ft d. If the placement of the bridge or culvert involves any
excavation, please complete the following:
g. Width of proposed culvert 19.5 ft *(1)Location of the spoil disposal area
Some may be used as in 3.g. below
h. Height of the top of the proposed culvert above the *(2)Dimensions of spoil disposal area
MHW or NWL +/-5.0 ft See 3. g. below
i. Will the proposed culvert affect existing water flow? *(3)Do you claim title to the disposal area?
X Yes No Yes No
If yes, explain Flows will be accelerated throueh If no, attach a letter granting permission from
box culvert only during very infrequent flood-stage the owner.
events 'Note: As yet unidentified upland waste disposal area

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Note 1.
(MP-5 item 3.d.)
Borrow and waste sites will be selected by the contractor, but must be approved
by the Department. Under most circumstances, the Department will not authorize the
use of any borrow or waste sites that require the placement of materials in, or the
excavation of materials from jurisdictional areas (wetlands, waters, estuarine shorelines,
etc.). In the rare instances where a candidate borrow/waste site is almost totally non-
jurisdictional, but access to the sites, for example, may result in a small, unavoidable
encroachment into a jurisdictional area, the Department will insure that application is
made to the appropriate jurisdictional agencies, Le, US Army Corps of Engineers,
Division of Coastal Management, Division of Water Quality, etc. In these rare cases,
the Department will insure that all avoidance and minimization opportunities are
explored during the site evaluation. If the Department determines that the combined
attributes of the site are substantial, and there is no practicable avoidance alternative,
the Department will then request that the jurisdictional agencies review the site, and if
appropriate, entertain an application for the incidental impact. If the impact is
determined to be permanent, the Department will provide compensatory mitigation in
accordance with the requirements of the permitting agency.

Form DCM-MP-5
b. Will the proposed project require the relocation of
*(4) Will the disposal area be available for future any existing utility lines? Yes X No
maintenance? Yes No If yes,explain in detail
(5) Does the disposal area include any coastal
-wetlands(marsh), SAVs, or other wetlands?
Yes X No
If yes, give dimensions if different from (2) c. Will the proposed project require the construction
above. of any temporary detour structures?
(6) Does the disposal area include any area below Yes X No
the MEW or NWL? Yes X No If yes, explain in detail
If yes, give dimension if different from No. 2
above.
e. Will the placement of the proposed bridge or culvert d. Will the proposed project require any work
result in any fill (other than excavated material channels? Yes X No
described in Item d. above) to be placed below If yes,complete Form DCM-MP-2
MHW or NWL? Yes X No
If yes, e. How will excavated or fill material be kept on site
(1) Length of area to be filled and erosion controlled? Stringent application of
(2) Width of area to be filled erosion control methods and Best Management
(3) Purpose of fill Practices
f. What type of construction equipment will be used
f. Will the placement of the proposed bridge or culvert (for example, dragline, backhoe or hydraulic
result in any fill (other than excavated material dredge)? Crane,Backhoe, Dump Truck and other
described in Item d. above)to be placed within: 1=0 standard bridge construction equipment
Coastal Wetlands_ SAVs_Other Wetlands
If yes,
(1) Length of area to be filled g. Will wetlands be crossed in transporting equipment
(2) Width of area to be filled to project site? Yes X No
(3) Purpose of fill If yes, explain steps that will be taken to lessen
environmental impacts.
g. Will the placement of the proposed bridge or culvert
result in any fill (other than excavated material
described in Item d. above) to be placed on h. Will the placement of the proposed bridge or culvert
highground? X Yes No require any shoreline stabilization?
If yes, Yes X No
(1) Length of area to be filled 46 ft If yes,explain in detail Except for endwalls at ends
(2) Width of area to be filled 42 ft of box culvert
(3) Purpose of fill culvert backfill; also small
fill topdressing of shoulder and slopes
H. Frank ck P.
4. GENERAL A c P olect 1v ,
Sig ature
a. Will the proposed project involve any mitigation?
Yes X No February 7, 1997
If yes, explain in detail Date

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N .C. DEPT.- OF TRANSPORTATION
o Att14 - 't -A . DIVISION OF HIGHWAYS
__ --- TYRRELL COUNTY
■ mot' BRIDGE # 13 ON SR-1320 OVER
+ a ' - ' '-____—` "`M` DRAINAGE CANAL
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4o' .26 ' �. DIVISION OF HIGHWAYS
TYRRELL COUNTY
BRIDGE # 13 ON SR-1320 OVER
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SCALE: 1 "= 20 ' HORZ. , 1"= 10 ' VERT . SHEET2 OF APRIL 26 , 1996

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PROPERTY OWNERS
TOMMY ALLEN CAHOON
1440 BROOKS AVE .
RALEIGH , N .C. 27607
STERLIN PARISHER
2924 MARS ST.
VA. BEACH , VA. 23452
AVERAGE DAILY FLOW = 1 . 65 C . F . S .
FILL IN WATERS = 0 . 01 AC .-
FILL IN WETLANDS = NONE
FILL BELOW O.H.W.- ELEV.=.a 04 C:r
EXCAV . BELOW O.H.W. ELEV 4 333C ,Y.
DENOTES FILL ABOVE .BASE Di T C H
O . H . W. .•�x> EXCRVATioN = 80 C . Y,
DENOTES EXCAV . BELOW
O . H . W.
DENOTES HIGH GROUND
EXCAV . 1(///,////// _ '
NOTE : C.A. B.C. IS CORRUGATED ALUMINUM BOX CULVERT
SIZE IS 19 ' 5"WIDE X 6' 11 " HIGH
I DETAIL,
s I 8ASG DITCH
Natural Noturol
Ground s-7 —11) ti� Ground N.C. DEPT. OF TRANSPORTATION
RIP RAPrT3 Min. D .9:0' Ft. DIVISION OF HIGHWAYS
B =YfR. Ft. I TYRRELL COUNTY
BRIDGE # 13 ON SR-1320 OVER
DRAINAGE CANAL
NOT j O $C RLE SHEET 3 OF 3 APRIL 26, 1996