I-90 EB over I-90 WB


+47.59389, -122.32003
47°35'38" N, 122°19'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-90 EB over I-90 WB
Structure number:0012659A0000000
Location:0.2 E JCT I-5
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:100.1 ft. [30.5 m]
Total length:912.1 ft. [278.0 m]
Roadway width between curbs:79.1 ft. [24.1 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1988
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:11
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,471 [as of 2016]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:75.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$30,643,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactoryFairSatisfactory1147175.3
November 2015FairSatisfactoryFairSatisfactory1141675.1
November 2013FairSatisfactoryFairSatisfactory1141675.1
November 2011FairSatisfactoryFairSatisfactory993375.3
November 2009FairGoodSatisfactorySatisfactory1209886.3
November 2007FairGoodSatisfactorySatisfactory2404585.0
December 2005FairGoodGoodSatisfactory4800082.4
December 2003FairGoodGoodSatisfactory4800082.4
November 2001FairGoodGoodSatisfactory4800082.4
April 1999FairGoodSatisfactoryGood4800085.6
May 1997FairGoodSatisfactoryGood4800084.0
December 1995FairGoodSatisfactoryGood4800085.0
November 1993GoodGoodGoodGood10130080.5
November 1991GoodVery GoodVery GoodGood10130084.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Closed Web/Box Girderlinear ft.91249704150
Reinforced Concrete Decksq. ft.72,04872,0330015
Wearing Surfacessq. ft.72,048072,04800
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.2727000
Reinforced Concrete Pier Caplinear ft.900899010
Strip Seal Jointlinear ft.3160290026
Open Jointlinear ft.8108100
Movable Bearingeach44000
Pot Bearingeach87010
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.694694000
Reinforced Concrete Bridge Raillinear ft.1,8241,8131010