IRR - I 90 over Int Garryowen

Fair Condition50 years old2,082 vehicles/day

Location

StateMontana
CountyBig Horn
Location5.6m S Crow Agency
CarriesIRR - I 90
CrossesInt Garryowen
Coordinates45.52901, -107.41979

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length101.0 ft (30.8 m)
Max Span100.1 ft (30.5 m)
Deck Width44.3 ft (13.5 m)
Deck Area415.8 sq m
Main Spans1
Year Built1976

Traffic

Avg Daily Traffic2,082 (2023)
Truck Traffic23%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090514+07722

Nearby Bridges

IRR - I 90 over Int Garryowen 0.0 mi Fair Battlefield Road over Medicine Tail Coulee 1.4 mi Poor Battlefield Road over Deep Coulee 1.4 mi Fair IRR BIA RTE 14 over Big Shoulder Creek 1.7 mi Fair IRR - S 451 over Little Bighorn River 2.7 mi Good IRR - I 90 over Little Bighorn River 2.7 mi Fair IRR - I 90 over Little Bighorn River 2.7 mi Good IRR - I 90 over Sep Reno Creek Road 3.0 mi Fair IRR - I 90 over Sep Reno Creek Road 3.0 mi Fair IRR - Frontage 325 over Little Bighorn River 075 3.1 mi Fair