Old Shelby RD over Pondera Canal 012

Fair Condition66 years old79 vehicles/day

Location

StateMontana
CountyPondera
Location5m NW Ledger
CarriesOld Shelby RD
CrossesPondera Canal 012
Coordinates48.30051, -111.92601

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure8 (Very Good)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length24.9 ft (7.6 m)
Max Span23.0 ft (7 m)
Deck Width26.2 ft (8 m)
Deck Area60.8 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic79 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL37101009+01001

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