US 12 over Little Blackfoot River

Fair Condition38 years old3,430 vehicles/day

Location

StateMontana
CountyPowell
Location1m E Elliston
CarriesUS 12
CrossesLittle Blackfoot River
Coordinates46.55667, -112.40933

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length71.9 ft (21.9 m)
Max Span69.9 ft (21.3 m)
Deck Width42.3 ft (12.9 m)
Deck Area282.5 sq m
Main Spans1
Year Built1988

Traffic

Avg Daily Traffic3,430 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00008022+02651

Nearby Bridges