IRR - I 90 over Int Crow Agency

Fair Condition67 years old3,889 vehicles/day

Location

StateMontana
CountyBig Horn
LocationCrow Agency
CarriesIRR - I 90
CrossesInt Crow Agency
Coordinates45.60126, -107.46297

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length133.9 ft (40.8 m)
Max Span51.8 ft (15.8 m)
Deck Width41.3 ft (12.6 m)
Deck Area514.1 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic3,889 (2023)
Truck Traffic20%
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 NumberI00090509+02311

Nearby Bridges

IRR - I 90 over Int Crow Agency 0.0 mi Fair Bala ST over Little Bighorn River 069 0.3 mi Fair IRR - I 90 over Little Bighorn River 0.3 mi Fair IRR - I 90 over Little Bighorn River 0.3 mi Fair IRR BIA RTE 6 over Little Bighorn River 0.5 mi Good IRR - US 212 over Int Custer Batlfld I 90 1.6 mi Fair IRR - Frontage 325 over Little Bighorn River 075 2.3 mi Fair IRR - I 90 over Little Bighorn River 2.3 mi Fair IRR - I 90 over Little Bighorn River 2.3 mi Fair IRR - Frontage 315 over Little Bighorn River 002 2.3 mi Fair