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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:Concrete [1]
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 2015 

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:54.5 tons [49.5 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:38.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201538.8Structurally deficientGoodGoodSerious66500
August 201338.8Structurally deficientGoodGoodSerious57428
August 201138.8Structurally deficientSatisfactoryGoodSerious57428
August 200950.8Structurally deficientSatisfactoryGoodPoor60500
July 200771.8Functionally obsoleteSatisfactorySatisfactoryGood61500
May 200571.8Functionally obsoleteSatisfactorySatisfactoryGood61500
April 200371.8Functionally obsoleteSatisfactorySatisfactoryGood61500
October 200271.8Functionally obsoleteSatisfactorySatisfactoryGood61500
October 200171.8Functionally obsoleteSatisfactoryGoodGood61500
October 200071.8Functionally obsoleteSatisfactoryGoodGood57401
April 199971.8Functionally obsoleteSatisfactoryGoodGood57401
June 199771.8Not deficientSatisfactoryGoodGood57401
July 199574.0Not deficientGoodGoodVery Good57401
November 199474.0Not deficientGoodGoodVery Good57401
January 199391.0Not deficientGoodGoodVery Good1
November 199191.0Not deficientGoodGoodVery Good1