US 12 over Naches River

Good Condition30 years old2,624 vehicles/day

Location

StateWashington
CountyYakima
Location34.2 E Lewis Co
CarriesUS 12
CrossesNaches River
Coordinates46.74571, -120.78878

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length327.1 ft (99.7 m)
Max Span108.9 ft (33.2 m)
Deck Width43.0 ft (13.1 m)
Deck Area1306.1 sq m
Main Spans3
Year Built1996

Traffic

Avg Daily Traffic2,624 (2023)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0014917A0000000

Nearby Bridges