Rt. 29 SBL/460 WBL over Rt 677 & NS Railway


+37.37709, -79.13651
37°22'38" N, 79°08'11" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Rt. 29 SBL/460 WBL over Rt 677 & NS Railway
Structure number:000000000020566
Location:1.78-Rt 128/0.32-Rt 501
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:89.9 ft. [27.4 m]
Total length:283.2 ft. [86.3 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:42.0 ft. [12.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:45°
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,551 [as of 2014]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:79.1

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairGoodGoodFair1655179.1
May 2016FairGoodGoodFair1655179.1
May 2014FairGoodGoodFair3300077.2
May 2012FairGoodGoodFair1752879.0
May 2010FairGoodGoodFair1752881.0
May 2008FairGoodGoodFair1752881.0
August 2006FairSatisfactoryGoodSatisfactory1466292.6
June 2004FairSatisfactoryGoodSatisfactory1247092.8
May 2002FairSatisfactoryGoodSatisfactory1224192.8
May 2000GoodGoodGoodGood880093.1
June 1998GoodGoodGoodGood880093.1
June 1996GoodGoodGoodGood880093.1
June 1994FairGoodSatisfactoryVery Good880093.3
May 1992FairGoodSatisfactoryVery Good867393.3
May 1990GoodGoodGoodVery Good867393.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,4141,3610530
Steel Protective Coatingsq. ft.15,55412,44303,1110
Reinforced Concrete Decksq. ft.11,88911,8058130
Wearing Surfacessq. ft.10,77610,67600100
Reinforced Concrete Columneach93330
Reinforced Concrete Abutmentlinear ft.138134400
Reinforced Concrete Pier Caplinear ft.1749460200
Compression Jointlinear ft.3002574210
Movable Bearingeach2011090
Steel Protective Coatingsq. ft.60330027
Fixed Bearingeach2015050
Steel Protective Coatingsq. ft.60330027
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.56651016400
Reinforced Concrete Bridge Raillinear ft.566566000