I 90 over Irrigation Canal

Fair Condition55 years old8,516 vehicles/day

Location

StateMontana
CountyBig Horn
Location3.1m S Hardin
CarriesI 90
CrossesIrrigation Canal
Coordinates45.73356, -107.56780

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length25.3 ft (7.7 m)
Max Span10.8 ft (3.3 m)
Deck Area246.4 sq m
Main Spans2
Year Built1971

Traffic

Avg Daily Traffic8,516 (2023)
Truck Traffic18%
Lanes On Bridge6

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090498+04621

Nearby Bridges

IRR - I 90 over Sarpy Road-s 384 0.3 mi Fair IRR - I 90 over Sarpy Road-s 384 0.3 mi Fair IRR - I 90 over Bighorn River 0.4 mi Fair IRR - I 90 over Bighorn River 0.4 mi Good I 90 Frontage RD over Bighorn River 0.4 mi Fair Sarpy Creek RD over Little Bighorn River 0.5 mi Fair Irr-s 47-3rd ST E over Int E Hardin I 90 0.9 mi Fair IRR - I 90 over Rr (not In Use) 1.8 mi Fair IRR - I 90 over Rr (not In Use) 1.8 mi Fair Irr-s 47 over Int W Hardin I 90 2.3 mi Fair