NBL Route 15 over 460 Bypass


+37.31238, -78.46103
37°18'45" N, 78°27'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NBL Route 15 over 460 Bypass
Structure number:000000000013885
Location:0.24N-Rt 15/ 0.40-Rt 460B
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:122.1 ft. [37.2 m]
Total length:245.1 ft. [74.7 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1976
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,762 [as of 2014]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:94.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodSatisfactoryGood176294.1
October 2015GoodGoodGoodGood176294.1
October 2013GoodGoodGoodGood458982.5
October 2011GoodGoodGoodGood458982.5
October 2009GoodVery GoodGoodGood458982.5
June 2007FairSatisfactoryGoodFair444371.4
May 2005FairSatisfactoryGoodFair409471.4
July 2003GoodGoodGoodGood409482.5
June 2001GoodGoodGoodGood409482.5
May 1999GoodGoodGoodGood400080.5
July 1997GoodGoodGoodGood400080.5
June 1995GoodGoodGoodGood400080.6
May 1993GoodGoodGoodVery Good397380.6
March 1991GoodGoodGoodVery Good274080.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.980486480140
Steel Protective Coatingsq. ft.13,5036,71006,614179
Reinforced Concrete Decksq. ft.8,3628,12523700
Wearing Surfacessq. ft.7,3187,02728470
Reinforced Concrete Pier Walllinear ft.1110100
Reinforced Concrete Abutmentlinear ft.1161001510
Reinforced Concrete Pier Caplinear ft.3328500
Pourable Jointlinear ft.68561200
Movable Bearingeach80800
Steel Protective Coatingsq. ft.1600160
Fixed Bearingeach40400
Steel Protective Coatingsq. ft.80080
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.490489100
Reinforced Concrete Bridge Raillinear ft.490490000