Central AVE E over Missouri River

Fair Condition72 years old289 vehicles/day

Location

StateMontana
CountyCascade
LocationCascade
CarriesCentral AVE E
CrossesMissouri River
Coordinates47.26961, -111.69609

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length652.9 ft (199 m)
Max Span180.1 ft (54.9 m)
Deck Width29.2 ft (8.9 m)
Deck Area1771.1 sq m
Main Spans4
Year Built1954

Traffic

Avg Daily Traffic289 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00330036+06001

Nearby Bridges