I-5 SB over Fallout Shelter

Good Condition63 years old76,058 vehicles/day

Location

StateWashington
CountyKing
Location2.3 N Jct SR 520
CarriesI-5 SB
CrossesFallout Shelter
Coordinates47.67828, -122.32106

Condition Ratings

Overall ConditionGood
Culvert7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length57.1 ft (17.4 m)
Max Span57.1 ft (17.4 m)
Deck Width62.0 ft (18.9 m)
Deck Area328.9 sq m
Main Spans1
Year Built1963

Traffic

Avg Daily Traffic76,058 (2023)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number002004110000000

Nearby Bridges