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Old M-28 over Rock River

Baraga County, Michigan · rated Poor in the 2025 National Bridge Inventory

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

Old M-28 over Rock River in Baraga County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1924, making it 101 years old at the 2025 inventory.
It carries about 17 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 5 of the 68 inventoried bridges in Baraga County rated poor (7.4%); 5 (7.4%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Concrete girder and floorbeam
Length	about 61 ft
Location	2 Mi E of Covington
NBI structure number	000000000000518
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US-41 over Falls River	1960	8,034	Fair
Main Street over Linden Creek	2004	6,570	Good
US-41 over Bayou & Blk Water Creek	1933	5,182	Poor
US-41 over Little Carp River	1937	3,883	Fair
US-41 over Sturgeon River	1947	3,585	Poor
US-41 over Taylor Creek	1951	3,585	Good