S 59 over Mizpah Creek

Good Condition25 years old742 vehicles/day

Location

StateMontana
CountyPowder River
Location9m NW Broadus
CarriesS 59
CrossesMizpah Creek
Coordinates45.54343, -105.52910

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length91.2 ft (27.8 m)
Max Span88.6 ft (27 m)
Deck Width37.7 ft (11.5 m)
Deck Area319.7 sq m
Main Spans1
Year Built2001

Traffic

Avg Daily Traffic742 (2023)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00023069+07971

Nearby Bridges