20180465 Ver 1_B-5145 SW BMP_20180402

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STORMWATER MANAGEMENT PLAN -
(Version 2.07; Released October 2016) FOR NCDOT PROJECTS
WBS Element: 42306.1.1 TIP No.: B-5145 County(ies): Person Page 1 of 1
General Project Information
WBS Element: 42306.1.1 TIP Number: B-5145 Project Type: Bridge Replacement Date: 3/28/2018
NCDOT Contact: Galen Cail Contractor / Designer: Frank Fleming, PE - Ecological En ineering
Address: 1000 Birch Ridge Drive Address: 1151 SE Cary Parkway
Raleigh, NC 27610 Suite 101
Cary, NC 27518
Phone: [phone] Phone: [phone]
Email: cail ncdot.gov Email: fflemin ecolo icalen .com
Cit ITown: County(ies): Person
River Basin(s): Roanoke CAMA County? No
Wetlands within Project Limits? No
Pro'ect Description
Project Length (lin. miles or feet): 0.114 miles Surrounding Land Use: Forest, agricultural, and rural residential
Proposed Pro'ect Existin Site
Pro'ect Built-Upon Area ac. 1.4 ac. 1.2 ac.
Typical Cross Section Description: 2@ 10' lanes with 4' wide shoulders. 2@ 10' lanes with 1' wide shoulders.
Annual Avg Daily Traffic (veh/hr/day): Design/Future: 720 Year: 2025 Existing: 360 Year: 2012
General Project Narrative: State project B-5145 involves the replacement of the existing NCDOT Bridge #720050 on SR 1343 over South Hyco Creek. Bridge #720050 consists of 1@40.9', 3@40',
(Description of Minimization of Water 1@40.9' timber floor on I-beams on timber caps and piles. The proposed bridge consists of 3@70' 24" cored slab with 4'-0" caps. The proposed crossing is located in Zone AE
Quality Impacts) of FIRM Map number 3710996700J and was studied by Limited Detail Study methods. One stormwater outfall is proposed which will be placed at a distance to minimize
disturbance to adjacent stream. No deck drains are required for the proposed bridge.
Waterbody Information
Surface Water Body (1): South Hyco Creek NCDWR Stream Index No.: 22-58-(0.5)
NCDWR Surface Water Classification for Water Body Primary Classification: Water Supply V(WS-V) Class B
Supplemental Classification:
Other Stream Classification:
Impairments:
Aquatic T&E Species? Comments:
NRTR Stream ID: South Hyco Creek Buffer Rules in Effect:
Project Includes Bridge Spanning Water Body? Yes Deck Drains Discharge Over Buffer? No 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
(If yes, provide justification in the General Project Narrative) General Project Narrative)