Main ST over Clark Fork River

Poor Condition77 years old2,330 vehicles/day

Location

StateMontana
CountyPowell
LocationS Deer Lodge
CarriesMain ST
CrossesClark Fork River
Coordinates46.38220, -112.73755

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length134.8 ft (41.1 m)
Max Span65.0 ft (19.8 m)
Deck Width31.8 ft (9.7 m)
Deck Area398.7 sq m
Main Spans2
Year Built1949

Traffic

Avg Daily Traffic2,330 (2023)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00275002+04801

Nearby Bridges