SR 520 over NE 24th ST

Good Condition54 years old45,466 vehicles/day

Location

StateWashington
CountyKing
Location1.9 E Jct I-405
CarriesSR 520
CrossesNE 24th ST
Coordinates47.63122, -122.14850

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length329.1 ft (100.3 m)
Max Span108.9 ft (33.2 m)
Deck Width85.3 ft (26 m)
Deck Area2607.8 sq m
Main Spans3
Year Built1972 (reconstructed 1998)

Traffic

Avg Daily Traffic45,466 (2023)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge3

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0009259C0000000

Nearby Bridges