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M-26 over W Br Firesteel River

Ontonagon County, Michigan · rated Good in the 2025 National Bridge Inventory

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

M-26 over W Br Firesteel River in Ontonagon County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2021, making it 4 years old at the 2025 inventory.
It carries about 1,425 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 25 of the 66 inventoried bridges in Ontonagon County rated good (37.9%); 10 (15.2%) 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	Steel stringer or multi-beam girder
Length	about 192 ft
Location	1.3 Mi NE of M-38
NBI structure number	000000000008504
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
M-64 & M-38 over Ontonagon R River Rd RR	2005	3,625	Fair
M-28 over So Br Ontonagon River	1990	2,398	Good
M-28 over M Br Ontonagon River	1929	2,303	Fair
M-28\|m-64 over Merryweather Creek	1932	2,120	Fair
M-64 over Cranberry River	1948	2,117	Fair
M-64 over Weigels Creek	1945	2,117	Fair