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Route 9 Northbound over West Bridge Street

Middlesex County, Connecticut · rated Fair in the 2025 National Bridge Inventory

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

Route 9 Northbound over West Bridge Street in Middlesex County, Connecticut, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 16,000 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 196 of the 309 inventoried bridges in Middlesex County rated fair (63.4%); 13 (4.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 115 ft
Location	0.2 Mi North of Route 80
NBI structure number	03449
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Interstate-91 over Falls Brook	1965	108,700	Good
Interstate-91 NB over Mattabesset River	1965	99,500	Fair
Interstate-95 over Cow Hill Road	1957	62,400	Fair
Interstate-95 over Route 9 NB & I-95 Tr 816	1992	62,200	Fair
Route 9 over Game Area Road	1968	61,300	Good
Interstate-95 over Indian Lake	1957	59,800	Fair