Bronken RD over Int Bronken RD I 15 003

Good Condition62 years old100 vehicles/day

Location

StateMontana
CountyToole
Location5m N Shelby
CarriesBronken RD
CrossesInt Bronken RD I 15 003
Coordinates48.59536, -111.86185

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length246.1 ft (75 m)
Max Span76.4 ft (23.3 m)
Deck Width31.2 ft (9.5 m)
Deck Area712.5 sq m
Main Spans4
Year Built1964 (reconstructed 1980)

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL51012000+02001

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