S 72 over Clarks Fork Yellowstone

Fair Condition15 years old1,732 vehicles/day

Location

StateMontana
CountyCarbon
Location4m NE Belfry
CarriesS 72
CrossesClarks Fork Yellowstone
Coordinates45.18976, -108.98442

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length279.9 ft (85.3 m)
Max Span89.9 ft (27.4 m)
Deck Width45.3 ft (13.8 m)
Deck Area1177.1 sq m
Main Spans3
Year Built2011

Traffic

Avg Daily Traffic1,732 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00072014+04031

Nearby Bridges