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Harbor Rd over Charles River

Oxford County, Maine · rated Good in the 2025 National Bridge Inventory

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

Harbor Rd over Charles River in Oxford County, Maine, 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 2010, making it 15 years old at the 2025 inventory.
It carries about 430 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 61 of the 253 inventoried bridges in Oxford County rated good (24.1%); 45 (17.8%) 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	Steel stringer or multi-beam girder
Length	about 103 ft
Location	1.9 Mi E of Jct Rte 113
NBI structure number	2151
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Main St over Pennessewassee Outlet	1938	17,709	Good
Main St over Little Androscog River	1997	14,489	Good
Main St over Tannery (bird) Brook	1929	11,655	Poor
Main St over Swift River	1952	10,165	Poor
Main St over Pennesseewassee Stream	1964	9,804	Fair
River Rd over Webb River	2012	9,795	Good