US 12 over Slide Area

Fair Condition58 years old1,774 vehicles/day

Location

StateWashington
CountyLewis
Location5.0 E Jct SR 123
CarriesUS 12
CrossesSlide Area
Coordinates46.67155, -121.50260

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length118.1 ft (36 m)
Max Span113.8 ft (34.7 m)
Deck Width41.0 ft (12.5 m)
Deck Area450 sq m
Main Spans1
Year Built1968

Traffic

Avg Daily Traffic1,774 (2023)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0008416A0000000

Nearby Bridges