I 90 over Hogan Slough

Fair Condition67 years old9,451 vehicles/day

Location

StateMontana
CountyYellowstone
LocationBillings
CarriesI 90
CrossesHogan Slough
Coordinates45.74847, -108.57061

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
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 Traffic9,451 (2023)
Truck Traffic20%
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+04542

Nearby Bridges

I 90 over Hogan Slough 0.0 mi Fair S Frontage RD over Hogan`s Slough 0.0 mi Fair I 90 over Int W Billings-u 1020 0.5 mi Fair I 90 over Int W Billings-u 1020 0.5 mi Good Mullowney LN over Rr 0.5 mi Good Mullowney LN over Rr 0.5 mi Fair Elysian RD over Hogan`s Slough 184 0.6 mi Fair Mullowney LN over Laurel Road 0.6 mi Fair I 90 over Int W Billings-u 1010 0.7 mi Good I 90 over Int W Billings-u 1010 0.7 mi Good