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M-49 over St Joseph River

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

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

M-49 over St Joseph River in Hillsdale 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 3 (serious condition) on the 0-9 scale.
It was built in 1985, making it 40 years old at the 2025 inventory.
It carries about 2,262 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 15 of the 104 inventoried bridges in Hillsdale County rated poor (14.4%); 15 (14.4%) 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	Prestressed concrete multiple box beam
Length	about 74 ft
Location	NE Limits of Camden
NBI structure number	000000000003258
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US-12 over St Joseph River	1999	15,669	Fair
US-127 over Beecher Creek	1991	5,142	Fair
US-127 over Bean Creek	1947	5,136	Fair
US-127 over Bean Creek	1947	5,136	Fair
Fayette St over St Joseph River	2022	3,798	Good
US-127 over Blanchard Drain	1948	3,056	Poor