Revised_Permit Drawings_17BP.11.R.131_Ashe bridge 122

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Highway North Carolina Department of Transportation T °t
N Highway Stormwater Program
STORMWATER MANAGEMENT PLAN
(Version 2.07; Released October 2016) FOR NCDOT PROJECTS Ila
WBS Element: 17.13P.11.R.131 TIP No.: SF-040122 County(ies): Ashe Page 2 of 8
General Project Information
WBS Element:
17.13P.11.R.131 TIP Number: SF-040122 Project Type: Bridge Replacement Date: 6/30/2021
NCDOT Contact:
Marc Shown, PE
Contractor / Desi ner:
RK&K - Jonathan Whittington, PE
Address:
1590 Mail Service Center
Raleigh, NC 27699-1590
Address:
8601 Six Forks Rd
Forum 1, Suite 700
Raleigh, NC 27615
Phone:
919-707-6751
Phone:
919-878-9560
Email:
[e-mail]
Email:
'whittin ton rkk.com
City/Town:
Weavers Ford
Count (ies):
Ashe
River Basin(s):
New
ICAMA County?
No
Wetlands within Project Limits?
No
Project Description
Project Length (lin. miles or feet):
635 ft. 0.120 mi. Surrounding Land Use: Rural
Proposed Project
Existing Site
Project Built -Upon Area ac.
0.3 ac.
0.3 ac.
Typical Cross Section Description:
2-lanes at 10' each with 3' unpaved shoulders
One approx. 15'-20' gravel roadway with 1' unpaved shoulders
Annual Avg Daily Traffic (veh/hr/day):
Design/Future: 200 Year: 2016
Existing: 200 Year: 2016
General Project Narrative:
(Description of Minimization of Water
Quality Impacts)
This project replaces existing bridge #040122: 1 @19'-7", 1 @20'-9", 4@45'-0", 1 @21'-10", 1 @18'-6", for an overall length of 260'-8". The bridge consists of a timber floor on
steel girder floor beams, and is 12.17' wide out -to -out. The proposed bridge will be 270' long with a span arrangement of 3@90' utilizing 33" box beams, with spill through
abutments, and 30' wide out to out. No deck drains will be required. One causeway phase will be required to construct the proposed bridge, and two additional causeway
phases will be required to demolish the existing bridge. Runoff from the bridge will be captured and discharged onto Class B rip rap outlet pads. There is a slight increase in the
impervious area of the project, however there is no significant increase in the discharge from the roadway runoff.
Waterbody Information
Surface Water Body 1 : North Fork New River
NCDWR Stream Index No.:
10-2-(21.5)
NCDWR Surface Water Classification for Water Body
Primary Classification:
Class C
Supplemental Classification:
(ORW)
Other Stream Classification:
None
Impairments:
None
Aquatic T&E Species?
No Comments:
NRTR Stream ID:
Buffer Rules in Effect: N/A
Project Includes Bridge Spanning Water Body?
Yes
Deck Drains Discharge Over Buffer? N/A
Dissipator Pads Provided in Buffer? N/A
Deck Drains Discharge Over Water Body?
No
(If yes, provide justification in the General Project Narrative)
(If yes, describe in the General Project Narrative; if no, justify in the
General Project Narrative)
(If yes, provide justification in the General Project Narrative)

WETLAND PERMIT IMPACT SUMMARY
WETLAND IMPACTS SURFACE WATER IMPACTS
Site
No.
Station
(From/To)
Structure
Size / Type
Permanent
Fill In
Wetlands
(ac)
Temp.
Fill In
Wetlands
(ac)
Excavation
in
Wetlands
(ac)
Mechanized
Clearing
in Wetlands
(ac)
Hand
Clearing
in
Wetlands
(ac)
Permanent
SW
impacts
(ac)
Temp.
SW
impacts
(ac)
Existing
Channel
Impacts
Permanent
(ft)
Existing
Channel
Impacts
Temp.
(ft)
Natural
Stream
Design
(ft)
1
-L- 10+48 to 12+48
Bridge Crossing
0.01
0.21
54
8
TOTALS':
i
j 0.01
j 0.21
j 54
j 8
0
`Rounded totals are sum of actual impacts
NOTES:
1) Permanent Impacts from the bridge crossing include 54' of new bank stabilization. This impact does not include rip rap placed where the old
bridge bents were located, since this portion of the river bank was already hardened.
2) The 8' of temporary impacts from the bridge crossing are due to Causeway Phases I, II, and III, and represent the portion of the causeway located
beyond the area impacted by bank stabilization.
3) Tree Clearing = 0.062 acres (areas where trees are > 3" DBH)

1
TEMPORARY WORK [" A D
NOT TO SCALE
l_I:
\.I It- ININLL L)LV
NATURAL GROUND
CAUSEWAY TOP
ELEV.2475.5'
GEOTEXTILE
FABRIC
WIDTH OF BRIDGE + TEACH END
CLASS B RIP RAP
CLASS II RIP RAP
/`I A C[ n n— n A n
ovi ,1 � it
< FLOW
= 2473.4'
CL OF PROPOSED
INTERIOR BENT
4.5'
i
01 NWS EL.
= 2473.4'
i
-----------------------
CHANNEL BOTTOM
APPROX. EL. = 2,470.0'

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