I 90 Frontage RD over Bighorn River

Fair Condition19 years old1,455 vehicles/day

Location

StateMontana
CountyBig Horn
Location1m E Hardin
CarriesI 90 Frontage RD
CrossesBighorn River
Coordinates45.73676, -107.57428

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length590.6 ft (180 m)
Max Span196.9 ft (60 m)
Deck Width33.8 ft (10.3 m)
Deck Area1,854 sq m
Main Spans3
Year Built2007

Traffic

Avg Daily Traffic1,455 (2023)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00384000+05101

Nearby Bridges

IRR - I 90 over Bighorn River 0.0 mi Good IRR - I 90 over Bighorn River 0.0 mi Fair I 90 over Irrigation Canal 0.4 mi Fair Irr-s 47-3rd ST E over Int E Hardin I 90 0.5 mi Fair IRR - I 90 over Sarpy Road-s 384 0.7 mi Fair IRR - I 90 over Sarpy Road-s 384 0.7 mi Fair Sarpy Creek RD over Little Bighorn River 0.8 mi Fair IRR - I 90 over Rr (not In Use) 1.4 mi Fair IRR - I 90 over Rr (not In Use) 1.4 mi Fair Irr-s 47 over Int W Hardin I 90 2.0 mi Fair