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Union Street over North Branch Cass River

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

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

Union Street over North Branch Cass River in Huron 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 2003, making it 22 years old at the 2025 inventory.
It carries about 345 vehicles a day (traffic count year 2010).
Its listed owner is a city or municipal highway agency.
It is one of 62 of the 192 inventoried bridges in Huron County rated good (32.3%); 14 (7.3%) 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 34 ft
Location	0.1 Mile East of M-19
NBI structure number	000000000003683
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Anton Street over Sebewaing River	2013	5,590	Good
M-142 over Pinnebog River	1946	5,274	Good
M-142\|pigeon Rd over Nettle Run	2012	5,200	Good
M-25 over Sebewaing River	1949	5,123	Fair
Center Street over Sebewaing River	2003	4,900	Fair
M-25 over Pigeon River	1929	4,865	Good