River ST N over Clark Fork 003

Fair Condition54 years old2,346 vehicles/day

Location

StateMontana
CountyMineral
LocationSuperior-river ST N
CarriesRiver ST N
CrossesClark Fork 003
Coordinates47.19626, -114.89080

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length437.0 ft (133.2 m)
Max Span120.1 ft (36.6 m)
Deck Width43.6 ft (13.3 m)
Deck Area1771.6 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic2,346 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL31007002+05101

Nearby Bridges

I 90 over Int Superior 0.3 mi Good I 90 over Int Superior 0.3 mi Good Diamond Match RD over Cedar Creek 1.7 mi Good I 90 over Cedar Creek 1.7 mi Good I 90 over Cedar Creek 1.7 mi Fair I 90 over Clark Fork River 2.0 mi Fair I 90 over Clark Fork River 2.0 mi Fair I 90 over Clark Fork River 2.2 mi Fair I 90 over Clark Fork River 2.2 mi Fair Upham Gulch RD over Cedar Creek 051 2.9 mi Good