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29 Mile Road over S Branch Kalamazoo River

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

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

29 Mile Road over S Branch Kalamazoo River in Calhoun 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 1973, making it 52 years old at the 2025 inventory.
It carries about 174 vehicles a day (traffic count year 1994).
Its listed owner is the county highway agency.
It is one of 37 of the 213 inventoried bridges in Calhoun County rated poor (17.4%); 37 (17.4%) 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

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

Bridge	Built	Vehicles/day	Condition
I-94 Bl & M-37 over I-94	2015	121,987	Fair
I-94 EB over Riverside Drive	2009	25,840	Fair
I-94 WB over Riverside Drive	2009	25,840	Fair
I-194 over Kalamazoo River	1966	24,600	Fair
I-194 over Gtw RR	1966	24,600	Fair
I-194 over Conrail (abn)	1966	24,600	Fair