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No Data Entered over Rock CR

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

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

No Data Entered over Rock CR in Sanders 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 1954, making it 71 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 1993).
It is one of 10 of the 120 inventoried bridges in Sanders County rated poor (8.3%); 10 (8.3%) 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	Timber stringer or multi-beam girder
Length	about 46 ft
Location	No Data Entered
NBI structure number	011407000000013
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
S 200 over Clark Fork River	1997	3,009	Fair
S 200 over Clark Fork River	1996	3,009	Fair
S 200 over RR	2000	2,686	Good
S 200 over Clark Fork River	1960	2,482	Poor
Irr - S 28 over Hot Springs Creek	1959	2,181	Fair
S 200 over Wildlife Crossing	2019	2,177	Good