RTE 31 over RTE I490


+43.14228, -77.58622
43°08'32" N, 77°35'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RTE 31 over RTE I490
Structure number:000000001021640
Location:JCT S.H.31 & I490
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:81.7 ft. [24.9 m]
Total length:170.0 ft. [51.8 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1959
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 [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:11,427 [as of 2014]
Truck traffic:4% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:47.7
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$5,742,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017PoorFairSatisfactoryPoor1142747.7
May 2015FairSatisfactorySatisfactoryFair1152664.1
June 2013FairSatisfactorySatisfactoryFair1152664.1
May 2011FairSatisfactoryFairFair1450063.9
September 2010FairSatisfactoryFairFair1100264.1
May 2009FairSatisfactoryFairFair1783563.6
July 2007FairSatisfactorySatisfactoryFair1783563.6
October 2005FairSatisfactoryGoodFair1450063.9
June 2003FairSatisfactoryGoodFair1450063.9
October 2001FairSatisfactoryGoodSatisfactory1450075.1
August 1999FairSatisfactoryGoodSatisfactory1450073.1
May 1997FairSatisfactoryGoodSatisfactory1450075.1
July 1995FairFairSatisfactoryFair1450061.2
December 1993FairFairSatisfactoryFair1450062.2
November 1991FairFairSatisfactoryFair1450062.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,48401,48400
Steel Protective Coatingsq. ft.14,834012,2392,5950
Reinforced Concrete Decksq. ft.11,5203,8607,644160
Wearing Surfacessq. ft.8,49208,49200
Reinforced Concrete Columneach60060
Reinforced Concrete Abutmentlinear ft.2050173320
Reinforced Concrete Pier Caplinear ft.93048450
Compression Jointlinear ft.288285003
Movable Bearingeach180981
Steel Protective Coatingsq. ft.1800180
Fixed Bearingeach1801800
Steel Protective Coatingsq. ft.90090
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.340034000
Steel Protective Coatingsq. ft.4,830004,8300