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NC171 over DEEP RUN SWAMP

Martin County, North Carolina

Map

Coordinates:
+35.77344, -76.94654
35°46'24" N, 76°56'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NC171 over DEEP RUN SWAMP
Structure number:000000001170017
Old structure number:000000000117017 (from 1992 edition)
Location:0.2 MI N JCT SR1545
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:8.9 ft. [2.7 m]
Total length:27.9 ft. [8.5 m]
Owner:State Highway Agency [01]
Year built:1950
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,600 [as of 2013]
Truck traffic:7% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:87.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2018Fair5 out of 10260087.5
April 2016Fair5 out of 10260087.5
April 2014Fair5 out of 10270087.4
April 2012Fair5 out of 10260087.5
April 2010Fair6 out of 10260098.7
June 2008Fair6 out of 10260098.7
March 2006Good7 out of 10260098.7
January 2004Good7 out of 10250098.7
May 2002Good7 out of 10250098.7
April 2000Good7 out of 10190099.0
July 1998Good7 out of 10190099.0
August 1996Good7 out of 10180099.1
April 1994Good7 out of 10180099.1
March 1992Good7 out of 10190099.0
October 1989Good7 out of 10180099.1