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Light Rd over Pablo 31A Canal 036

Lake County, Montana · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Light Rd over Pablo 31A Canal 036 in Lake County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 2009, making it 16 years old at the 2025 inventory.
It carries about 292 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 13 of the 116 inventoried bridges in Lake County rated poor (11.2%); 13 (11.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 80 ft
Location	5M S Polson
NBI structure number	L24029001+08001
Condition class	Poor

Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.

Bridge	Built	Vehicles/day	Condition
Irr - US 93 over Pablo Feeder Canal	2006	15,997	Good
US 93 over Wildlife Crossing	2007	10,897	Good
US 93 over Wildlife Crossing	2007	10,897	Good
US 93 over Agricultural Crossing	2007	10,897	Good
Irr - US 93 over Jocko River	2005	8,775	Good
US 93 over Spring Creek	2006	8,775	Good