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Surenuff Rd over S Fork Mcdonald CR 002

Fergus County, Montana · rated Fair in the 2025 National Bridge Inventory

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

Surenuff Rd over S Fork Mcdonald CR 002 in Fergus County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1982, making it 43 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 97 of the 158 inventoried bridges in Fergus County rated fair (61.4%); 9 (5.7%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 33 ft
Location	Forest Grove
NBI structure number	L14204000+02001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 87-e Main St over Mill Ditch	1922	8,747	Fair
US 87-w Main St over Big Spring Creek	1962	5,357	Fair
US 191-1st Ave N over Big Spring Creek	1960	5,189	Fair
US 87 over Boyd Creek	1942	2,831	Fair
US 191-kendall Rd over Big Spring Creek	1976	2,663	Fair
US 87 over Beaver Creek	2009	2,589	Good