Bridge conditions in Midland County, Michigan
140 inventoried bridges · 24 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Midland County has 24 bridges rated poor out of 140 inventoried, a 17.1% share that puts it well above the national rate of about 7%.
- 24 of the 140 bridges in Midland County, Michigan, are rated in poor condition (17.1%) in the 2025 National Bridge Inventory, as of .
- 39 bridges (27.9%) are rated good and 77 (55.0%) fair.
- The median Midland County bridge was built in 1980.
- The busiest poor-rated bridge is M-30 over US-10 (built 1961), carrying about 6,769 vehicles a day.
Good 27.9% · Fair 55.0% · Poor 17.1% of 140 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| M-20 EB over Tittabawassee River | 2019 | 21,358 | Good |
| M-20 WB over Tittabawassee River | 2018 | 21,350 | Good |
| N Saginaw Road over Sturgeon Creek | 1931 | 20,000 | Fair |
| Jefferson Rd over US-10 | 1960 | 18,005 | Fair |
| N Saginaw Road over State Drain | 1931 | 17,000 | Fair |
| M-20 over Prairie Creek | 1938 | 16,168 | Fair |
| M-20 over Chippewa River | 1940 | 14,220 | Fair |
| US-10 EB over Sturgeon Creek | 1960 | 12,390 | Fair |
| US-10 WB over Sturgeon Creek | 1960 | 12,390 | Fair |
| Poseyville Road over Tittabawassee River | 1968 | 12,000 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Midland County → - all 140, busiest first, each with its own condition record.
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.