Allison RD over Pablo Feeder Canal 046

Poor Condition66 years old100 vehicles/day

Location

StateMontana
CountyLake
Location3m NE ST Ignatius
CarriesAllison RD
CrossesPablo Feeder Canal 046
Coordinates47.34104, -114.00865

Condition Ratings

Overall ConditionPoor
Deck7 (Good)
Superstructure7 (Good)
Substructure4 (Poor)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length27.6 ft (8.4 m)
Max Span25.3 ft (7.7 m)
Deck Width20.0 ft (6.1 m)
Deck Area51.2 sq m
Main Spans1
Year Built1960 (reconstructed 1999)

Traffic

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

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL24358003+02001

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