I 90 over INT I-15


+45.97982, -112.48016
45°58'47" N, 112°28'49" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over INT I-15
Structure number:I00090227+04551
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:76.1 ft. [23.2 m]
Total length:192.9 ft. [58.8 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:41.0 ft. [12.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:5,645 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:86.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016PoorPoorSatisfactorySatisfactory564586.0
September 2014PoorPoorSatisfactorySatisfactory892086.0
September 2012FairFairSatisfactorySatisfactory892088.0
October 2010FairFairGoodGood892088.0
September 2008FairSatisfactoryGoodGood876089.0
August 2006FairSatisfactoryGoodGood900089.0
June 2004FairSatisfactoryVery GoodVery Good1043089.0
March 2002FairSatisfactoryVery GoodVery Good907089.0
May 1999FairSatisfactoryVery GoodVery Good728089.0
March 1997FairSatisfactoryVery GoodVery Good600089.0
April 1995FairSatisfactoryVery GoodVery Good600092.0
June 1993FairSatisfactoryVery GoodVery Good571092.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.387038700
Steel Protective Coatingsq. ft.2,63202,369131132
Prestressed Concrete Girder/Beamlinear ft.6996851400
Reinforced Concrete Decksq. ft.7,9545,7781,5426340
Wearing Surfacessq. ft.7,9546,508001,446
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.95722300
Reinforced Concrete Pier Caplinear ft.7571400
Movable Bearingeach1851300
Steel Protective Coatingsq. ft.1800414
Fixed Bearingeach50500
Steel Protective Coatingsq. ft.50212
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.38728649520