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W.B. & REV I-90 over LAKE WASHINGTON

Map

Coordinates:
+47.59029, -122.28579
47°35'25" N, 122°17'09" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:W.B. & REV I-90 over LAKE WASHINGTON
Structure number:0012271A0000000
Location:2.6 E JCT I-5
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:5737.2 ft. [1748.6 m]
Total length:5737.2 ft. [1748.6 m]
Roadway width between curbs:91.9 ft. [28.0 m]
Deck width edge-to-edge:105.0 ft. [32.0 m]
Owner:State Highway Agency [01]
Year built:1989
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Prestressed concrete [5]
Main span 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: April 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:66,500 [as of 2014]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:54.9 tons [49.9 metric tons]
Inventory rating:31.9 tons [29.0 metric tons]
Sufficiency rating:39.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$215,711,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201739.0PoorGoodGoodSeriousSD66500
April 201538.8PoorGoodGoodSeriousSD66500
August 201338.8PoorGoodGoodSeriousSD57428
August 201138.8PoorSatisfactoryGoodSeriousSD57428
August 200950.8PoorSatisfactoryGoodPoorSD60500
July 200771.8FairSatisfactorySatisfactoryGoodFO61500
May 200571.8FairSatisfactorySatisfactoryGoodFO61500
April 200371.8FairSatisfactorySatisfactoryGoodFO61500
October 200271.8FairSatisfactorySatisfactoryGoodFO61500
October 200171.8FairSatisfactoryGoodGoodFO61500
October 200071.8FairSatisfactoryGoodGoodFO57401
April 199971.8FairSatisfactoryGoodGoodFO57401
June 199771.8FairSatisfactoryGoodGood-57401
July 199574.0GoodGoodGoodVery Good-57401
November 199474.0GoodGoodGoodVery Good-57401
January 199391.0GoodGoodGoodVery Good-1
November 199191.0GoodGoodGoodVery Good-1