I 15 over Int Divide-hwy 43

Good Condition50 years old2,283 vehicles/day

Location

StateMontana
CountySilver Bow
LocationDivide
CarriesI 15
CrossesInt Divide-hwy 43
Coordinates45.75284, -112.73176

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length152.6 ft (46.5 m)
Max Span71.2 ft (21.7 m)
Deck Width44.0 ft (13.4 m)
Deck Area623.1 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic2,283 (2023)
Truck Traffic20%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection225
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015102+04872

Nearby Bridges