SBL Rte 81 over NS Rwy; Den Hill Rd/641


+37.15750, -80.32396
37°09'27" N, 80°19'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SBL Rte 81 over NS Rwy; Den Hill Rd/641
Structure number:000000000029534
Location:9.62-Roanoke Co;2.37-Rt11
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:107.9 ft. [32.9 m]
Total length:201.1 ft. [61.3 m]
Roadway width between curbs:64.0 ft. [19.5 m]
Deck width edge-to-edge:79.4 ft. [24.2 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:32°
Owner:State Highway Agency [01]
Year built:2012
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:19,500 [as of 1994]
Truck traffic:20% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:96.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018GoodGoodGoodGood1950096.2
November 2016GoodGoodGoodGood1950096.2
November 2014GoodGoodGoodGood1950096.2
November 2012GoodGoodGoodGood1950074.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,2002,197300
Steel Protective Coatingsq. ft.22,70222,702000
Reinforced Concrete Decksq. ft.15,95315,64630610
Reinforced Concrete Pier Walllinear ft.9292000
Reinforced Concrete Abutmentlinear ft.2131951800
Elastomeric Bearingeach33110220
Steel Protective Coatingsq. ft.8888000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.402402000
Reinforced Concrete Bridge Raillinear ft.4023465600