US 12 over Alpowa CR

Fair Condition51 years old3,159 vehicles/day

Location

StateWashington
CountyAsotin
Location3.0 E Garfield Co
CarriesUS 12
CrossesAlpowa CR
Coordinates46.41186, -117.21403

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length212.9 ft (64.9 m)
Max Span104.0 ft (31.7 m)
Deck Width43.0 ft (13.1 m)
Deck Area850.2 sq m
Main Spans2
Year Built1975

Traffic

Avg Daily Traffic3,159 (2023)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number0009660A0000000

Nearby Bridges