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Mill Hill Rd over Cambridge River

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

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

Mill Hill Rd over Cambridge River in Oxford County, Maine, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1926, making it 99 years old at the 2025 inventory.
It carries about 110 vehicles a day (traffic count year 2016).
Its listed owner is a town or township highway agency.
It is one of 45 of the 253 inventoried bridges in Oxford County rated poor (17.8%); 45 (17.8%) 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	Steel stringer or multi-beam girder
Length	about 43 ft
Location	1.4 Mi. N Jct. 26
NBI structure number	5241
Condition class	Poor

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