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County Road 122 over Usbr Main Canal 003

Richland County, Montana · rated Good in the 2025 National Bridge Inventory

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

County Road 122 over Usbr Main Canal 003 in Richland County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2000, making it 25 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2025).
Its listed owner is the county highway agency.
It is one of 27 of the 97 inventoried bridges in Richland County rated good (27.8%); 4 (4.1%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete tee beam
Length	about 60 ft
Location	3M SW Sidney
NBI structure number	L42414000+09001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
S 16-holly St over Usrs Canal	1999	5,874	Fair
S 200 over First Hay Creek	1986	4,499	Fair
S 200 over Second Hay Creek	1986	4,499	Good
S 16-s Central Ave over Lone Tree Creek	1974	3,968	Fair
14TH St SE over Lone Tree Creek	1973	3,099	Fair
S 16 over Usbr Main Canal	1984	2,821	Fair