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Nh 12 over Beaver Brook

Cheshire County, New Hampshire · rated Good in the 2025 National Bridge Inventory

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

Nh 12 over Beaver Brook in Cheshire County, New Hampshire, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
It was built in 2019, making it 6 years old at the 2025 inventory.
It carries about 17,831 vehicles a day (traffic count year 2023).
Its listed owner is a city or municipal highway agency.
It is one of 82 of the 194 inventoried bridges in Cheshire County rated good (42.3%); 22 (11.3%) 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

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

Bridge	Built	Vehicles/day	Condition
Nh 12 NH101 over Ashuelot River Ped Trail	1961	22,780	Fair
Nh 9 over Ash Swamp Brook	2006	22,417	Good
Nh 12 over Branch River	1994	17,831	Good
West Street over Ashuelot River	1952	16,605	Fair
Nh 9 Nh 10 Nh 12 over West Street	1967	16,222	Good
Nh 12 over Troy Brook	1970	13,156	Fair