Pn Bridge RD over Missouri River

Fair Condition44 years old39 vehicles/day

Location

StateMontana
CountyChouteau
Location25m NW Winifred
CarriesPn Bridge RD
CrossesMissouri River
Coordinates47.73859, -109.62568

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length903.9 ft (275.5 m)
Max Span207.3 ft (63.2 m)
Deck Width34.1 ft (10.4 m)
Deck Area2865.2 sq m
Main Spans4
Year Built1982

Traffic

Avg Daily Traffic39 (2023)
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00236049+04631