Midland County Bridge Report Card
Midland County scores 40 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Midland County, Michigan
Midland County has 140 bridges in the National Bridge Inventory, with 24 rated poor and 21 rated scour-critical. Its poor-condition share of 17.1% is above the 11.0% statewide average. Poor-condition bridges carry about 38,482 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Midland County a Bridge Condition Exposure Score of 40/100 (F). The county has 140 bridges in the National Bridge Inventory, including 24 in poor condition and 21 rated scour-critical. Poor-condition bridges carry about 38,482 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 | 17.1% | 34.3 |
| Poor-condition traffic exposure | 25 | 8.1% of measured traffic | 6.1 |
| Scour-critical bridge share | 20 | 15.0% | 20.0 |
| Average age vs national baseline | 10 | 47 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 474,998 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 | 17.1% |
| State Poor-Condition Share | 11.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 15.0% |
| Average Bridge Age | 47 years |
| Poor-Condition Traffic Exposure | 38,482 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Midland County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| M-30 (meridian Rd) over Pine River | Poor condition + traffic exposure | Poor | 5,845 | 1952 |
| Pine River Road over Pine River | Poor condition + traffic exposure | Poor | 2,161 | 1970 |
| Tittabawassee Road over Weeks Drain | Poor condition + traffic exposure | Poor | 1,896 | 1980 |
| Shaffer Road over Bluff Creek | Poor condition + traffic exposure | Poor | 1,430 | 1930 |
| Brooks Road over Jo Drain | Poor condition + traffic exposure | Poor | 202 | 1938 |
| Woodcock Road over Bullock Creek | Poor condition + traffic exposure | Poor | 125 | 1988 |
| Magrudder Road over Little Salt Creek | Poor condition + traffic exposure | Poor | 90 | 1936 |
| Schreiber Road over Weeks Drain | Poor condition + traffic exposure | Poor | 51 | 1930 |
| Schreiber Road over Jo Drain | Poor condition + traffic exposure | Poor | 51 | 1938 |
| M-30 over Us-10 | Poor condition + traffic exposure | Poor | 6,769 | 1961 |
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.