I 90 over INT W BILLINGS-U1020


+45.74916, -108.56035
45°44'57" N, 108°33'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over INT W BILLINGS-U1020
Structure number:I00090445+09641
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:51.8 ft. [15.8 m]
Total length:185.0 ft. [56.4 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:41.3 ft. [12.6 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:27,940 [as of 2009]
Truck traffic:2% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:42.9 tons [39.0 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:95.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201595.0FairFairGoodSatisfactory-27940
October 201395.0FairFairGoodGood-27940
October 201196.0FairSatisfactoryGoodGood-27940
October 200995.0FairSatisfactoryGoodGood-25790
October 200795.0FairSatisfactoryGoodGood-24200
February 200596.0FairSatisfactoryGoodGood-24950
November 200196.0FairSatisfactoryGoodGood-21770
March 199796.0FairSatisfactoryGoodGood-19960
January 199396.0FairSatisfactoryVery GoodGood-6660
February 199195.0FairFairVery GoodGood-5200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.922922000
Reinforced Concrete Decksq. ft.7,6757,675000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.9893500
Reinforced Concrete Pier Caplinear ft.108108000
Fixed Bearingeach4034600
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3713343700