I-405 Ramp over EB I-90 Ramp

Good Condition57 years old36,070 vehicles/day

Location

StateWashington
CountyKing
Location5.7 N Jct SR 900
CarriesI-405 Ramp
CrossesEB I-90 Ramp
Coordinates47.57986, -122.17111

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length82.0 ft (25 m)
Max Span77.1 ft (23.5 m)
Deck Width36.4 ft (11.1 m)
Deck Area277.5 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic36,070 (2023)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008190H0000000

Nearby Bridges