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EB I-90 over LAKE WASHINGTON

Map 

Coordinates:
+47.59000, -122.28833
47°35'24" N, 122°17'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:EB I-90 over LAKE WASHINGTON
Structure number:000000KO0000000
Location:2.3 E JCT I-5
Purpose:Carries highway over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:214.9 ft. [65.5 m]
Total length:1064.0 ft. [324.3 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance above deck:19.4 ft. [5.9 m]
Vertical clearance below bridge:28.9 ft. [8.8 m]
Owner:State Highway Agency [01]
Year built:1940
Year reconstructed:1992
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:66,003 [as of 2012]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:53.5 tons [48.6 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:63.5

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201563.5Not deficientGoodFairGood66003
September 201363.5Not deficientGoodFairGood66003
August 201171.8Not deficientGoodFairGood57428
August 200983.9Not deficientGoodGoodGood57000