Ramp To Main ST over Int S Deer Lodge-i 90

Fair Condition65 years old100 vehicles/day

Location

StateMontana
CountyPowell
Location1m S Deer Lodge
CarriesRamp To Main ST
CrossesInt S Deer Lodge-i 90
Coordinates46.37382, -112.73854

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length255.9 ft (78 m)
Max Span61.4 ft (18.7 m)
Deck Width27.6 ft (8.4 m)
Deck Area655.2 sq m
Main Spans5
Year Built1961

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00275003+00921

Nearby Bridges