SR 512 over I-5

Fair Condition68 years old37,302 vehicles/day

Location

StateWashington
CountyPierce
Location12.7 N Thurston Co
CarriesSR 512
CrossesI-5
Coordinates47.16333, -122.48028

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length211.0 ft (64.3 m)
Max Span59.1 ft (18 m)
Deck Width84.0 ft (25.6 m)
Deck Area1646.1 sq m
Main Spans4
Year Built1958

Traffic

Avg Daily Traffic37,302 (2023)
Truck Traffic8%
Lanes On Bridge6
Lanes Under Bridge12

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0005655A0000000

Nearby Bridges