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Bridge conditions in Calhoun County, Michigan

213 inventoried bridges · 37 rated poor · 2025 National Bridge Inventory

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

Of the 213 Calhoun County bridges in the federal inventory, 37 carry a poor rating. That 17.4% share is roughly 3x the national average.

37 of the 213 bridges in Calhoun County, Michigan, are rated in poor condition (17.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
43 bridges (20.2%) are rated good and 133 (62.4%) fair.
The median Calhoun County bridge was built in 1968.
The busiest poor-rated bridge is M-89 over Wabascon Creek (built 1947), carrying about 14,726 vehicles a day.

Good 20.2% · Fair 62.4% · Poor 17.4% of 213 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
M-89 over Wabascon Creek	1947	14,726	Poor
17 Mile Road over I-94	1960	13,254	Poor
M-89 (washington) over Battle Creek River	1982	11,004	Poor
Elm Street over Battle Creek River	1975	11,000	Poor
M-96 W Columbia over Gtw RR	1986	6,300	Poor
25.5 Mi Road over Kalamazoo River	1948	2,991	Poor
Old-27 over State and Indian Creek	1931	2,925	Poor
Old-27 over Indian Creek	1931	2,925	Poor
Old-27 over Tek Creek	1930	2,524	Poor
Old-27 over St Joseph River	1930	2,524	Poor
Old-27 over Nottawa Creek	1930	1,797	Poor
B Drive North over Kalamazoo River	1970	1,740	Poor
Burnham Street over Kalamazoo River	1984	1,500	Poor
6 Mile Road over Barnum Creek	1968	1,441	Poor
L Dr So over S Br Kalamazoo River	1960	1,130	Poor
Haven Road over S Bra Kalamazoo River	1979	839	Poor
29 1/2 Mile Road over Kalamazoo River	1940	648	Poor
9 Mile Road over St Joseph River	1968	580	Poor
J Dr So over Nottawa Creek	1920	480	Poor
10 Mile Road over Nottawassepee Creek	1976	459	Poor
12 Mile Road over Nottawassepee Creek	1919	439	Poor
20 Mile Road over Rice Creek	1987	395	Poor
F Dr S over S Br Kalamazoo River	1959	388	Poor
18 1/2 Mi Road over St Joseph River	1958	220	Poor
29 Mile Road over S Branch Kalamazoo River	1973	174	Poor
Condit Road over S Branch Kalamazoo River	1969	160	Poor
24 Mile Road over No Br Rice Creek	1988	151	Poor
19 1/2 Mile Road over State Ditch	1974	147	Poor
J Drive North over N Br Rice Creek	1963	136	Poor
24 Mile Road over S Branch Rice Creek	1992	136	Poor
M Drive South over Alder Creek	1960	119	Poor
M Drive South over Nottawassepee Creek	1920	108	Poor
R Drive South over St Joseph River	1973	78	Poor
H Drive South over Nottawa Creek	1918	61	Poor
Renton Road over I-94	1959	60	Poor
J Drive South over Nottawa Creek	1919	43	Poor
W Drive North over Indian Creek	1968	32	Poor

Busiest bridges in the county

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
I-194 over I-94 Bl (dickman Road)	1966	24,600	Fair
I-194 over Burnham St	1966	24,406	Fair
I-94 EB over 6 1/2 Mile Road	2024	24,275	Good
I-94 EB over 9 Mile Road	2024	24,162	Good

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Michigan: Michigan bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.