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US-127 Br NB over US-127 SB

Isabella County, Michigan · rated Fair in the 2025 National Bridge Inventory

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

US-127 Br NB over US-127 SB in Isabella County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1961 and reconstructed in 2020, making it 64 years old at the 2025 inventory.
It carries about 7,675 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 72 of the 183 inventoried bridges in Isabella County rated fair (39.3%); 26 (14.2%) 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	Steel stringer or multi-beam girder
Length	about 231 ft
Location	@ S Jct US-127 Br
NBI structure number	000000000004235
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Pickard Avenue over Chippewa River	1979	16,211	Fair
M-20 over Chippewa River	1996	10,842	Good
US-127 NB over Little Salt River	1961	10,457	Fair
US-127 SB over Little Salt River	1961	10,457	Fair
Mission Road over Ann Arbor Railroad	2005	9,200	Good
Mission Road over North Br Chippewa River	2008	9,019	Good