I-90 EB over I-90 WB


+47.59451, -122.31799
47°35'40" N, 122°19'05" 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:16.1 ft. [4.9 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: November 2015 

Status:Open, no restriction [A]
Average daily traffic:11,416 [as of 2012]
Truck traffic:9% 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]
Operating rating:53.5 tons [48.6 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:75.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201575.1Functionally obsoleteSatisfactoryFairSatisfactory11416
November 201375.1Functionally obsoleteSatisfactoryFairSatisfactory11416
November 201175.3Functionally obsoleteSatisfactoryFairSatisfactory9933
November 200986.3Functionally obsoleteGoodSatisfactorySatisfactory12098
November 200785.0Functionally obsoleteGoodSatisfactorySatisfactory24045
December 200582.4Functionally obsoleteGoodGoodSatisfactory48000
December 200382.4Functionally obsoleteGoodGoodSatisfactory48000
November 200182.4Functionally obsoleteGoodGoodSatisfactory48000
April 199985.6Not deficientGoodSatisfactoryGood48000
May 199784.0Functionally obsoleteGoodSatisfactoryGood48000
December 199585.0Not deficientGoodSatisfactoryGood48000
November 199380.5Not deficientGoodGoodGood101300
November 199184.9Not deficientVery GoodVery GoodGood101300