+36.32221, -78.97033
36°19'20" N, 78°58'13" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR1708 over TRIB.FLAT CREEK
Structure number:000000001450022
Old structure number:000000000145022 (from 1992 edition)
Location:0.2 MI.E.JCT.US501
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:24.0 ft. [7.3 m]
Total length:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:1985
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Main span material:Steel [3]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,200 [as of 2015]
Truck traffic:6% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:96.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Fair6 out of 10320096.9
April 2015Fair5 out of 10310085.5
April 2013Fair5 out of 10330085.3
April 2011Fair5 out of 10140087.4
April 2009Good7 out of 10110098.9
April 2007Good7 out of 10300097.1
May 2005Good7 out of 10270097.3
July 2003Good7 out of 10100099.0
July 2001Good7 out of 10110098.9
February 1999Good7 out of 1050099.5
March 1997Good7 out of 1044099.6
January 1995Good7 out of 1042099.6
January 1993Good7 out of 1040099.6
February 1991Good7 out of 1040099.6