I 90 over Int E Garrison-rr

Fair Condition47 years old5,232 vehicles/day

Location

StateMontana
CountyPowell
Location1.2m S Garrison
CarriesI 90
CrossesInt E Garrison-rr
Coordinates46.51398, -112.79000

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length581.7 ft (177.3 m)
Max Span148.0 ft (45.1 m)
Deck Width44.0 ft (13.4 m)
Deck Area2375.8 sq m
Main Spans5
Year Built1979

Traffic

Avg Daily Traffic5,232 (2023)
Truck Traffic20%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090175+05332

Nearby Bridges