I 90 over INT W BILLINGS-U1010


+45.74964, -108.55637
45°44'59" N, 108°33'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over INT W BILLINGS-U1010
Structure number:I00090446+01581
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:141.1 ft. [43.0 m]
Total length:143.1 ft. [43.6 m]
Roadway width between curbs:37.4 ft. [11.4 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:14°
Owner:State Highway Agency [01]
Year built:1994
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span 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: April 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:9,255 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:85.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201685.0FairSatisfactorySatisfactoryFair-9255
April 201485.0FairSatisfactorySatisfactoryFair-27940
April 201296.0FairGoodGoodSatisfactory-27940
April 201096.0FairGoodGoodSatisfactory-27940
April 200896.0FairGoodGoodSatisfactory-25790
May 200696.0FairGoodGoodSatisfactory-23730
May 200496.0FairGoodGoodSatisfactory-24950
October 200196.0FairGoodGoodSatisfactory-21770
January 200096.0FairGoodGoodSatisfactory-19960
July 199896.0FairGoodVery GoodSatisfactory-17680
May 199696.0GoodVery GoodVery GoodVery Good-16320
June 199496.0GoodExcellentExcellentExcellent-15270
January 199298.0FairSatisfactoryVery GoodVery Good-12620

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.9819324900
Reinforced Concrete Decksq. ft.5,7595,759000
Reinforced Concrete Abutmentlinear ft.105901050
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2852711400