Soft Rock RD over Bitterroot Canal 059

Fair Condition49 years old100 vehicles/day

Location

StateMontana
CountyRavalli
Location3m E Corvallis
CarriesSoft Rock RD
CrossesBitterroot Canal 059
Coordinates46.32350, -114.04967

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length39.0 ft (11.9 m)
Max Span18.0 ft (5.5 m)
Deck Width29.9 ft (9.1 m)
Deck Area108.3 sq m
Main Spans2
Year Built1977

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL41423000+06001

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