S 72 over Clarks Fork Yellowstone

Fair Condition13 years old1,732 vehicles/day

Location

StateMontana
CountyCarbon
Location1m N Belfry
CarriesS 72
CrossesClarks Fork Yellowstone
Coordinates45.15706, -109.00883

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length295.3 ft (90 m)
Max Span98.8 ft (30.1 m)
Deck Width42.7 ft (13 m)
Deck Area1,170 sq m
Main Spans3
Year Built2013

Traffic

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

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00072011+09041

Nearby Bridges