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