Castle Mountain RD over Brackett Creek 032

Fair Condition56 years old100 vehicles/day

Location

StateMontana
CountyPark
Location2m S Clyde Park
CarriesCastle Mountain RD
CrossesBrackett Creek 032
Coordinates45.86047, -110.61545

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length26.6 ft (8.1 m)
Max Span24.0 ft (7.3 m)
Deck Width20.0 ft (6.1 m)
Deck Area49.4 sq m
Main Spans1
Year Built1970 (reconstructed 2010)

Traffic

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

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL34030001+06001

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