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I-75 SB over M-80|canadian National R

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

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

I-75 SB over M-80|canadian National R in Chippewa County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 1,994 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 73 of the 112 inventoried bridges in Chippewa County rated fair (65.2%); 13 (11.6%) 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 247 ft
Location	8.4 Mi S of M-28
NBI structure number	000000000001575
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-75 BS\|3 Mile Rd over I-75 NB	1962	15,700	Fair
I-75 Bs (ashmun) over Power Canal	1934	10,180	Fair
Easterday Ave. over Ashmun Creek	1994	8,347	Good
Easterday Ave over I-75 NB	1962	7,774	Fair
West Portage Ave. over Power Canal	1970	7,637	Fair
Spruce St. over Power Canal	1983	5,995	Fair