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I 90 over SEP LAIRD ST-FRONTAGE RD

Map

Coordinates:
+46.01020, -112.68944
46°00'37" N, 112°41'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 over SEP LAIRD ST-FRONTAGE RD
Structure number:I00090216+06722
Location:3.1M W ROCKER
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:56.1 ft. [17.1 m]
Total length:158.1 ft. [48.2 m]
Roadway width between curbs:43.0 ft. [13.1 m]
Deck width edge-to-edge:45.3 ft. [13.8 m]
Vertical clearance below bridge:26.2 ft. [8.0 m]
Owner:State Highway Agency [01]
Year built:1967
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:3
Main spans material:Prestressed concrete [5]
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: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,437 [as of 2016]
Truck traffic:16% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:97.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactoryGoodGood543797.8
January 2016FairSatisfactoryGoodGood1223096.9
January 2014FairSatisfactoryGoodGood1223097.4
January 2012FairSatisfactoryGoodGood1223097.4
January 2010GoodGoodGoodGood1186097.4
January 2008GoodGoodGoodGood1198097.4
January 2005GoodGoodVery GoodVery Good1144097.5
March 2001FairSatisfactoryVery GoodVery Good993097.5
February 1997FairSatisfactoryVery GoodVery Good1106097.5
February 1993GoodGoodVery GoodVery Good1000097.3
September 1990FairSatisfactoryVery GoodVery Good821097.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.948948000
Deck
Reinforced Concrete Decksq. ft.7,1803,5901,4362,1540
Substructure
Reinforced Concrete Columneach43010
Reinforced Concrete Abutmentlinear ft.105105000
Reinforced Concrete Pier Caplinear ft.8585000
Bearings
Fixed Bearingeach2402400
Steel Protective Coatingsq. ft.2421201
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3152744100