N-w Ramp over I-405 E-n S-n Ramps

Fair Condition60 years old12,607 vehicles/day

Location

StateWashington
CountyKing
Location5.2 N Jct SR 516
CarriesN-w Ramp
CrossesI-405 E-n S-n Ramps
Coordinates47.46181, -122.26278

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length214.9 ft (65.5 m)
Max Span83.0 ft (25.3 m)
Deck Width24.9 ft (7.6 m)
Deck Area497.8 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic12,607 (2022)
Truck Traffic6%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0007401H0000000

Nearby Bridges