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Cottonwood CR Rd over Box Elder Creek 022

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

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

Cottonwood CR Rd over Box Elder Creek 022 in Carter 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 2010, making it 15 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 13 of the 42 inventoried bridges in Carter County rated good (31.0%); 2 (4.8%) 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 channel beam
Length	about 102 ft
Location	18M NE Hammond
NBI structure number	L06042000+03001
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 212 over Drainage	1965	2,642	Fair
US 212 over Thompson Creek	1965	2,642	Fair
US 212 over Little Missouri River	1965	2,642	Fair
US 212 over Willow Creek	1955	2,285	Fair
Chicago AVE over Russell Creek	2019	480	Good
Mormon Ave over Russell Creek 035	1940	480	Fair