I-90 over Lake Washington

Poor Condition86 years old68,544 vehicles/day

Location

StateWashington
CountyKing
Location1.9 E Jct I-5
CarriesI-90
CrossesLake Washington
Coordinates47.59000, -122.28333

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure7 (Good)
Substructure4 (Poor)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignOther
Total Length6561.0 ft (1999.8 m)
Max Span6561.0 ft (1999.8 m)
Deck Width60.0 ft (18.3 m)
Deck Area36596.3 sq m
Main Spans1
Year Built1940 (reconstructed 1992)

Traffic

Avg Daily Traffic68,544 (2023)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Structure Number000000KN0000000

Nearby Bridges

W.b. & Rev I-90 over Lake Washington 0.1 mi Poor EB I-90 over Lake Washington 0.2 mi Fair WB I-90 over Lake Washington 0.2 mi Fair Westbound I-90 over S Transit Rr Lakeview A 0.2 mi Good W-n I-90 Ramp over Pedestrian-bike Path 1.1 mi Good I-90 over Rainier AVE S 1.1 mi Good W.b. I-90 over Lake Washington 1.1 mi Fair I-90 over Rainier AVE 1.2 mi Fair EB I-90 over Lake Washington 1.3 mi Good I-90 Westbound over Sound Transit Railroad 1.5 mi Good