I 90 over Hogan Slough

Fair Condition67 years old15,229 vehicles/day

Location

StateMontana
CountyYellowstone
LocationBillings
CarriesI 90
CrossesHogan Slough
Coordinates45.74831, -108.57041

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length82.0 ft (25 m)
Max Span41.0 ft (12.5 m)
Deck Width41.7 ft (12.7 m)
Deck Area317.5 sq m
Main Spans2
Year Built1959

Traffic

Avg Daily Traffic15,229 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090445+04541

Nearby Bridges