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US 1 over B & A RR

Aroostook County, Maine · rated Fair in the 2025 National Bridge Inventory

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

US 1 over B & A RR in Aroostook County, Maine, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1971 and reconstructed in 1992, making it 54 years old at the 2025 inventory.
It carries about 6,810 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 162 of the 231 inventoried bridges in Aroostook County rated fair (70.1%); 27 (11.7%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 436 ft
Location	0.3 Mi S of Jct Rte 161
NBI structure number	6255
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
North St over Meduxnekeag River	1944	13,721	Poor
Main St over Aroostook River	1982	11,336	Fair
State St over Presque Isle Stream	1979	8,853	Fair
E Main St over Fish River	1953	8,100	Fair
Connector Rd over Presque Isle Stream	1978	7,860	Fair
Main St over Caribou Stream	1922	7,670	Fair