I 15 over Int Harrison AVE

Fair Condition66 years old7,009 vehicles/day

Location

StateMontana
CountySilver Bow
LocationButte
CarriesI 15
CrossesInt Harrison AVE
Coordinates45.98444, -112.50817

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length209.0 ft (63.7 m)
Max Span61.0 ft (18.6 m)
Deck Width43.6 ft (13.3 m)
Deck Area847.2 sq m
Main Spans4
Year Built1960

Traffic

Avg Daily Traffic7,009 (2023)
Truck Traffic15%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00015127+09362

Nearby Bridges