15/29 Bypass SBL over Mountain Run


+38.46141, -77.96686
38°27'41" N, 77°58'01" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:15/29 Bypass SBL over Mountain Run
Structure number:000000000005585
Location:1.22 From 3 &1.15 To 666
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:9.8 ft. [3.0 m]
Total length:42.0 ft. [12.8 m]
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,961 [as of 2014]
Truck traffic:5% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
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 assessed or calculated scour condition. [5]
Sufficiency rating:98.8

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2017Fair6 out of 101296198.8
September 2015Fair6 out of 101296198.8
September 2013Fair6 out of 101206298.9
September 2011Fair6 out of 101206298.9
September 2009Fair6 out of 101206298.9
September 2007Fair6 out of 101214498.9
September 2005Fair6 out of 101037399.0
September 2003Fair6 out of 101008099.1
September 2001Fair6 out of 10691699.4
September 1999Fair6 out of 10668697.4
September 1997Fair6 out of 10600097.4
August 1995Fair6 out of 10900097.3
July 1993Fair6 out of 10750097.4
July 1991Fair6 out of 10568097.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.2560194620