Homestake Pass over Int Homestake-i 90 005

Good Condition60 years old100 vehicles/day

Location

StateMontana
CountyJefferson
LocationHomestake Pass
CarriesHomestake Pass
CrossesInt Homestake-i 90 005
Coordinates45.91947, -112.41188

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length231.0 ft (70.4 m)
Max Span65.0 ft (19.8 m)
Deck Width30.8 ft (9.4 m)
Deck Area661.8 sq m
Main Spans4
Year Built1966

Traffic

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

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL22119000+01001

Nearby Bridges