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Chambers Road over Cass River

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

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

Chambers Road over Cass River in Tuscola 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 2009, making it 16 years old at the 2025 inventory.
It carries about 3,900 vehicles a day (traffic count year 2006).
Its listed owner is the county highway agency.
It is one of 82 of the 241 inventoried bridges in Tuscola County rated good (34.0%); 10 (4.1%) 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	Prestressed concrete multiple box beam
Length	about 201 ft
Location	Sec 20 Indianfields Twp
NBI structure number	000000000010507
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
M-15 over Cass River	2015	14,550	Good
M-46 over Cheboygan & Branches Drn	1939	6,701	Poor
M-81 over Marsh Drain	2007	6,273	Good
M-25 over Quanicassee River	2013	5,571	Good
M-25 over (no Name) Drain	1932	5,571	Fair
M-25 over Wisner Drain	1985	5,571	Fair