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Mount Rd over Sebasticook River

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

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

Mount Rd over Sebasticook River in Waldo 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 5 (fair condition) on the 0-9 scale.
It was built in 1973, making it 52 years old at the 2025 inventory.
It carries about 290 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 62 of the 92 inventoried bridges in Waldo County rated fair (67.4%); 15 (16.3%) 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 241 ft
Location	0.6 Mi E of Rte 11 & 100
NBI structure number	6209
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Searsport Av over Passagassawaukeag + RR	1963	18,553	Fair
Searsport Av over Goose River	2021	12,663	Good
Route 1 Byp over Route 3 (belmont Av)	1973	7,983	Fair
Atlantic Hwy over Little River	1944	7,764	Poor
N Main St over Mill Stream (cove Brook)	1979	7,491	Fair
Atlantic Hwy over Frohock Brook	2004	6,734	Good