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HomeMy WebLinkAbout20161269 Ver 1_Beaufort 149 Attachment G and L signed_20161222Attachment L: Low Impact Bridge Replacement Process Low Impact Bridge Project No.: 17BP.2.R.70 County Beaufort Bridge No. 149 over Acre Swamp WBS Element Number 176P.2.R.70 This project is subject to the Low Impact Bridge Process as agreed to on October 6, 2009. This project meets the documentation requirements and approval procedures under NEPA, as defined by FHWA, for Low Impact Bridge Replacements. This project meets the standards of NCDOT's Minimum Criteria Rules. Date: Applicant Name: Applicant Address: December 21. 2016 North Carolina Department of Transportation P.O. Box 1584 Greenville NC 27835 Primary Contact for Project: Maria Rocaerson Phone No.: 252-439-2800 Is this an after-the-fact application: Yes X No River Basin: Stream Classification: Tar-Pamlico C; Sw.NSW Regulatory Authorization Options for this Activity Federal: USACE Nationwide General Permit 3— Maintenance State: General Water Quality Certification #3687 and/or Buffer Authorization Local: None P1'Oj@Ct D@SC�Ipt10I1 — State project 17BP.2.R.70 involves the replacement of Beaufort County Bridge #060149 on SR 1508 (Long Ridge Rd.) over Acre Swamp. The existing bridge consists of 1@ 17' - 3", 1@ 17'-0", and 1@ 18' - 0" Reinforced concrete deck spans on timber joists and is to be replaced with a 1@ 30' - 0", 1@ 40' - 0" and 1 @ 30' - 0", 21" cored slab bridge (100' total length, 33' total width) north (upstream) of the existing bridge. In accordance with Tar-Pamlico River Buffer Regulations, the proposed bridge does not contain deck drains, all stormwater from the bridge and approaches will be collected by a concrete flume and discharged inio a class 'B' Rip- Rap pad within the proposed special lateral 'V' ditch al -L- 22+64 RT . Proposed ditch in the northwest quadrant is replaced with 3:1 front and back slopes which transition to a variable width base ditch to replicate existing drainage patterns. The proposed ditch in the northeast quadrant is replaced with 3:1 front and back slopes and ties to existing ditches that dissipate prior to tying to Acre Swamp. Proposed ditch in the southeast quadrant is replaced with 3:1 front and back slopes and is tied to the existing ditch prior to joining Acre Swamp. Signature: ! ��- llrL�� Print Name: Maria Roaerson Title: Proiect Enaineer Low/Minimal Impact Bridge I TIP NO WBS Element No. Stream Existing Structure Proposed Structure Stream Wetlands Stormwater T8E Moretorium Trout Waters Location Comments Basin Classification SIN Type Size USACE (LF) NCDWQ Impacts (LF) USACE Impacts (AC) Non 404 Impacts (AC) Species Present Native/Hatchery TroutSpecies Present Trout Conditions (Y/N) Tribal Lands 41fl Resources LAT Completed by: �J,� �°�(/,�. Division Data Sheet C; Sw, NSW 29-3435-1-1 perennialfinland 10'x3' Bridge 52' 0 0 ne 1/ 3841 SF Zone 2 Yes No No Habitat N/A N/A N/A No No No N/A