US 191 over S Fork American Fork

Poor Condition85 years old706 vehicles/day

Location

StateMontana
CountyWheatland
Location11m S Harlowton
CarriesUS 191
CrossesS Fork American Fork
Coordinates46.28429, -109.88361

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure4 (Poor)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length28.9 ft (8.8 m)
Max Span28.9 ft (8.8 m)
Deck Width27.6 ft (8.4 m)
Deck Area73.9 sq m
Main Spans1
Year Built1941

Traffic

Avg Daily Traffic706 (2023)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00045032+08301

Nearby Bridges