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I 91 SB over Comb US 5 & Gwrr

Hampshire County, Massachusetts · rated Good in the 2025 National Bridge Inventory

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

I 91 SB over Comb US 5 & Gwrr in Hampshire County, Massachusetts, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2024, making it 1 years old at the 2025 inventory.
It carries about 22,333 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 62 of the 258 inventoried bridges in Hampshire County rated good (24.0%); 25 (9.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 445 ft
Location	Mm 22.8 on I-91
NBI structure number	N19059BM2DOTNBI
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 91 NB over Hwy Old Ferry Rd	1965	36,140	Fair
I 91 SB over Hwy Old Ferry Rd	1965	36,140	Fair
St 10 Northmptn St over Water Manhan River	1951	31,100	Fair
St 9 Russell St over Water Connecticut River	1937	30,785	Fair
St 32 West St over Water Muddy Brook	1966	29,870	Fair
I 91 NB over Hwy Island Rd	1965	27,903	Fair