I 90 over Sep Milwaukee Avenue

Fair Condition52 years old4,371 vehicles/day

Location

StateMontana
CountyPowell
LocationDeer Lodge
CarriesI 90
CrossesSep Milwaukee Avenue
Coordinates46.39733, -112.71722

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length118.1 ft (36 m)
Max Span56.1 ft (17.1 m)
Deck Width44.3 ft (13.5 m)
Deck Area486 sq m
Main Spans3
Year Built1974

Traffic

Avg Daily Traffic4,371 (2023)
Truck Traffic24%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090185+10122

Nearby Bridges

I 90 over Sep Milwaukee Avenue 0.0 mi Fair Center ST over Cottonwood Creek 049 0.3 mi Good Kohrs ST over Cottonwood Creek 065 0.4 mi Fair Clagett ST over Cottonwood Creek 081 0.5 mi Good Clark ST over Cottonwood Creek 083 0.7 mi Good Fourth ST over Cottonwood Creek 080 0.8 mi Good Main ST over Cottonwood Creek 0.9 mi Good Second Street over Cottonwood Creek 1.0 mi Good I 90 over Int N Deer Lodge 1.1 mi Fair I 90 over Int N Deer Lodge 1.1 mi Fair