Home › Maine › Lincoln County › Route 1 over Damariscotta River

Route 1 over Damariscotta River

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

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

Route 1 over Damariscotta River in Lincoln 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 1961, making it 64 years old at the 2025 inventory.
It carries about 9,650 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 41 of the 63 inventoried bridges in Lincoln County rated fair (65.1%); 7 (11.1%) 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 487 ft
Location	1.5 Mi E US1B
NBI structure number	5890
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Route 1 over Sheepscot River	1983	17,897	Fair
Route 1 over Cod Cove	1958	17,204	Fair
Route 1 over Montsweag Brook	1931	16,559	Fair
Main St over Damariscotta River	1952	14,450	Fair
Atlantic Hwy over Medomak River	1932	13,870	Fair
Route 1 over Marsh River	1962	13,710	Fair