US 212 over Thompson Creek

Fair Condition61 years old2,642 vehicles/day

Location

StateMontana
CountyCarter
Location3m NW Alzada
CarriesUS 212
CrossesThompson Creek
Coordinates45.04870, -104.45167

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length102.7 ft (31.3 m)
Max Span50.9 ft (15.5 m)
Deck Width40.4 ft (12.3 m)
Deck Area385.0 sq m
Main Spans2
Year Built1965

Traffic

Avg Daily Traffic2,642 (2023)
Truck Traffic30%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00023134+04021

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