Home › Massachusetts › Franklin County › I 91 & Nashs Mill over Water Nashs Mill

I 91 & Nashs Mill over Water Nashs Mill Brook

Franklin County, Massachusetts · rated Fair in the 2025 National Bridge Inventory

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

I 91 & Nashs Mill over Water Nashs Mill Brook in Franklin County, Massachusetts, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 36,983 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 176 of the 314 inventoried bridges in Franklin County rated fair (56.1%); 39 (12.4%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 28 ft
Location	Mm 44.6 on I-91
NBI structure number	G120500XPDOTNBI
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
ST116 Sunderland R over Water Connecticut River	1937	35,300	Fair
St 2 over Water Fall River	1931	28,448	Good
St 2 A/main St over RR Gwrr	1847	26,700	Poor
I 91 over Water Mill Brook	1964	26,573	Fair
I 91 NB over RR Gwrr	2024	24,960	Good
I 91 over Water Bloody Brook	1965	24,181	Good