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Percy Road over Stratford Bog Brook

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

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

Percy Road over Stratford Bog Brook in Coos 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 deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2002, making it 23 years old at the 2025 inventory.
It carries about 96 vehicles a day (traffic count year 2023).
Its listed owner is a city or municipal highway agency.
It is one of 93 of the 189 inventoried bridges in Coos County rated good (49.2%); 10 (5.3%) 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


Structure	Prestressed concrete multiple box beam
Length	about 44 ft
Location	220 Ft From Bog Road 50
NBI structure number	024401260011100
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 2 Nh 16 over Moose River	1939	10,406	Good
Nh 16 over Moose Brook	1972	10,237	Fair
US 3 NH116 NH142 over Johns River	1938	9,718	Fair
US 2 US 3 over Israel River	1990	9,175	Good
US 3 over Upper Ammonoosuc River	1995	5,412	Good
US 2 over Recreational Trail	1960	5,195	Good