I-405 over Sunset BLVD (old SR 900)

Fair Condition63 years old68,154 vehicles/day

Location

StateWashington
CountyKing
Location0.5 N Jct SR 169
CarriesI-405
CrossesSunset BLVD (old SR 900)
Coordinates47.49006, -122.19247

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length290.0 ft (88.4 m)
Max Span80.1 ft (24.4 m)
Deck Width109.9 ft (33.5 m)
Deck Area2961.4 sq m
Main Spans4
Year Built1963 (reconstructed 1994)

Traffic

Avg Daily Traffic68,154 (2023)
Truck Traffic6%
Lanes On Bridge6
Lanes Under Bridge3

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0006912B0000000

Nearby Bridges

I-405 over NE 3rd ST 0.3 mi Fair I-405 over SR 169 0.5 mi Fair Bronson Way N over Cedar R 0.7 mi Fair Houser Way over Cedar River 0.7 mi Fair Wells Avenue over Cedar River 0.8 mi Fair Aberdeen AVE NE over SR 900 0.8 mi Good Williams AVE over Cedar River 0.8 mi Fair I-405 over Cedar River 0.8 mi Fair Renton AVE S over SR 405 0.8 mi Good I-405 over Cedar River 0.8 mi Good