+38.44985, -77.40879
38°26'59" N, 77°24'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SBL RTE. I-95 over AUSTIN RUN
Structure number:000000000018108
Location:2.1M RTE630-1.1M RTE610
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:11.2 ft. [3.4 m]
Total length:22.0 ft. [6.7 m]
Skew angle:23°
Owner:State Highway Agency [01]
Year built:1964
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:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:64,722 [as of 2014]
Truck traffic:8% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
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]
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 assessed or calculated scour condition. [5]
Sufficiency rating:72.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2017Fair5 out of 106472272.0
October 2015Fair5 out of 106472272.0
October 2013Fair5 out of 104950072.0
October 2011Fair5 out of 104950072.0
October 2009Fair5 out of 104950072.0
October 2007Fair5 out of 104950072.0
October 2005Fair5 out of 104950072.0
December 2003Fair5 out of 104950072.0
October 2001Fair5 out of 104950072.0
November 1999Fair5 out of 104950072.0
December 1997Fair5 out of 104950072.0
November 1995Fair5 out of 104700072.0
November 1993Fair5 out of 102867572.0
October 1991Fair5 out of 102877572.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.4830403791