Kalamazoo County Bridge Report Card
Kalamazoo County scores 79 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Kalamazoo County, Michigan
Kalamazoo County has 152 bridges in the National Bridge Inventory, with 11 rated poor and 2 rated scour-critical. Its poor-condition share of 7.2% is at or below the 11.0% statewide average. Poor-condition bridges carry about 69,388 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Kalamazoo County a Bridge Condition Exposure Score of 79/100 (C). The county has 152 bridges in the National Bridge Inventory, including 11 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 69,388 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 7.2% | 14.5 |
| Poor-condition traffic exposure | 25 | 4.6% of measured traffic | 3.5 |
| Scour-critical bridge share | 20 | 1.3% | 2.6 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,494,885 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 7.2% |
| State Poor-Condition Share | 11.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.3% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 69,388 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Kalamazoo County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| M-96 (king Hwy) over Kalamazoo River | Poor condition + traffic exposure | Poor | 5,183 | 1930 |
| Us-131 NB over Amtrak & Kl AVE | Poor condition + traffic exposure | Poor | 28,268 | 1963 |
| Us-131 SB over Amtrak & Kl AVE | Poor condition + traffic exposure | Poor | 28,268 | 1963 |
| Us-131 Br NB over Douglas AVE | Poor condition + traffic exposure | Poor | 3,343 | 1963 |
| Us-131 Br SB over Douglas AVE | Poor condition + traffic exposure | Poor | 3,343 | 1963 |
| Milham Park RD (s) over Portage Creek | Poor condition + traffic exposure | Poor | 360 | 1935 |
| Ts Avenue over Portage River | Poor condition + traffic exposure | Poor | 252 | 1933 |
| Washington Street over Canal(off Augusta Creek) | Poor condition + traffic exposure | Poor | 174 | 1921 |
| 40th Street over Little Portage Creek | Poor condition + traffic exposure | Poor | 70 | 1912 |
| Xy Avenue over Bear Creek | Poor condition + traffic exposure | Poor | 70 | 1977 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.