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Main Street over Cocheco River

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

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

Main Street over Cocheco River in Strafford 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 1986, making it 39 years old at the 2025 inventory.
It carries about 8,305 vehicles a day (traffic count year 2023).
Its listed owner is a city or municipal highway agency.
It is one of 82 of the 136 inventoried bridges in Strafford County rated good (60.3%); 13 (9.6%) 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	Continuous steel stringer or multi-beam girder
Length	about 113 ft
Location	3.1 Mi Dover Tl
NBI structure number	022201690011200
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Nh 16 Sp Tpk Ramp over NH125	2009	44,530	Good
Nh 16 Sp Tpk over New Bellamy Lane	1955	42,313	Fair
US202 Nh 16 Sp Tpk over Ten Rod Road	2012	41,600	Good
US202 Nh 16 Sp Tpk over NH202A (walnut Street)	1957	41,600	Good
Nh 16 Sp Tpk over Cocheco River	2010	39,653	Good
Nh 16 Sp Tpk over Axehandle Brook	1957	39,505	Good