High Bridge RD over Beaverhead River 125

Fair Condition46 years old100 vehicles/day

Location

StateMontana
CountyBeaverhead
Location5m N Clark Canyon Dam
CarriesHigh Bridge RD
CrossesBeaverhead River 125
Coordinates45.06588, -112.80118

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length153.9 ft (46.9 m)
Max Span60.0 ft (18.3 m)
Deck Width30.2 ft (9.2 m)
Deck Area431.5 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
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 NumberL01196005+04901

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