Bridge conditions in Kalamazoo County, Michigan
152 inventoried bridges · 11 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Kalamazoo County tracks close to typical: 11 of its 152 inventoried bridges (7.2%) are rated poor, against a national rate of about 7%.
- 11 of the 152 bridges in Kalamazoo County, Michigan, are rated in poor condition (7.2%) in the 2025 National Bridge Inventory, as of .
- 65 bridges (42.8%) are rated good and 76 (50.0%) fair.
- The median Kalamazoo County bridge was built in 1988.
- The busiest poor-rated bridge is US-131 NB over Amtrak & Kl Ave (built 1963), carrying about 28,268 vehicles a day.
Good 42.8% · Fair 50.0% · Poor 7.2% of 152 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 |
|---|---|---|---|
| US-131 NB over Amtrak & Kl Ave | 1963 | 28,268 | Poor |
| US-131 SB over Amtrak & Kl Ave | 1963 | 28,268 | Poor |
| M-96 (king Hwy) over Kalamazoo River | 1930 | 5,183 | Poor |
| US-131 Br NB over Douglas Ave | 1963 | 3,343 | Poor |
| US-131 Br SB over Douglas Ave | 1963 | 3,343 | Poor |
| Milham Park Rd (S) over Portage Creek | 1935 | 360 | Poor |
| Ts Avenue over Portage River | 1933 | 252 | Poor |
| Washington Street over Canal(off Augusta Creek) | 1921 | 174 | Poor |
| 40TH Street over Little Portage Creek | 1912 | 70 | Poor |
| Xy Avenue over Bear Creek | 1977 | 70 | Poor |
| Y Avenue over Bear Creek | 1970 | 57 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-94 over Norfolk Southern | 2022 | 67,300 | Good |
| I-94 over Portage Road | 2022 | 67,300 | Good |
| US-131 (mot) over Amtrak & Kl Ave | 2024 | 48,600 | Good |
| I-94 EB & Cd Ramp over US-131 NB | 2008 | 39,044 | Good |
| I-94 WB over US-131 NB | 2007 | 39,044 | Good |
| I-94 Bl (stadium) over US-131 | 2015 | 36,361 | Fair |
| I-94 EB over Grand Elk Rr&portage Crk | 2009 | 34,630 | Fair |
| I-94 WB over Grand Elk Rr&portage Crk | 2011 | 34,630 | Fair |
| I-94 EB over Gtw RR | 2022 | 33,650 | Good |
| I-94 WB over Gtw RR | 2022 | 33,650 | 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.