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Airline Rd over Narraguagus River

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

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

Airline Rd over Narraguagus River in Washington County, Maine, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1957 and reconstructed in 1997, making it 68 years old at the 2025 inventory.
It carries about 2,872 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 48 of the 111 inventoried bridges in Washington County rated fair (43.2%); 22 (19.8%) 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	Steel stringer or multi-beam girder
Length	about 68 ft
Location	0.5 M NE of T22 Md
NBI structure number	5648
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Dublin St over Machias River	2004	11,740	Good
Dublin St over Machias River	2004	11,740	Good
Dublin St over Mchias River	2004	11,740	Good
Main St over Middle River	1930	9,731	Poor
Houlton Rd over Stoney Brook	2009	4,702	Good
Bridge St over Narraguagus River	2008	4,658	Good