IRR - I 90 over Rr (not In Use)

Fair Condition55 years old3,853 vehicles/day

Location

StateMontana
CountyBig Horn
LocationHardin
CarriesIRR - I 90
CrossesRr (not In Use)
Coordinates45.74659, -107.59914

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length163.1 ft (49.7 m)
Max Span62.0 ft (18.9 m)
Deck Width44.0 ft (13.4 m)
Deck Area666.0 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic3,853 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090496+06251

Nearby Bridges