Bridge conditions in Huron County, Michigan
192 inventoried bridges · 14 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Huron County tracks close to typical: 14 of its 192 inventoried bridges (7.3%) are rated poor, against a national rate of about 7%.
- 14 of the 192 bridges in Huron County, Michigan, are rated in poor condition (7.3%) in the 2025 National Bridge Inventory, as of .
- 62 bridges (32.3%) are rated good and 116 (60.4%) fair.
- The median Huron County bridge was built in 1987.
- The busiest poor-rated bridge is Caseville Road over Pigeon River (built 1995), carrying about 2,035 vehicles a day.
Good 32.3% · Fair 60.4% · Poor 7.3% of 192 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 |
|---|---|---|---|
| Caseville Road over Pigeon River | 1995 | 2,035 | Poor |
| Kinde Road over Pigeon River | 1964 | 1,900 | Poor |
| Spring Street over Bird Creek | 1975 | 1,200 | Poor |
| M-25 over Willow Creek | 1970 | 816 | Poor |
| Berne Road over Pigeon River | 1910 | 465 | Poor |
| Schock Road over Sucker Creek | 1985 | 400 | Poor |
| Oak Beach Road over Pinnebog River | 1959 | 390 | Poor |
| Kuhl Road over Shebeon Drain | 1984 | 350 | Poor |
| Stoddard Road over Willow River | 1978 | 245 | Poor |
| Mcmillan Road over Moore Creek | 1920 | 180 | Poor |
| Grassmere Road over Pinnebog River | 1929 | 150 | Poor |
| Gagetown Road over Pigeon River | 2004 | 100 | Poor |
| Caro Road over Kemp Drain | 1931 | 100 | Poor |
| Hartsell Road over East Br. Pigeon River | 1947 | 88 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Anton Street over Sebewaing River | 2013 | 5,590 | Good |
| M-142 over Pinnebog River | 1946 | 5,274 | Good |
| M-142|pigeon Rd over Nettle Run | 2012 | 5,200 | Good |
| M-25 over Sebewaing River | 1949 | 5,123 | Fair |
| Center Street over Sebewaing River | 2003 | 4,900 | Fair |
| M-25 over Pigeon River | 1929 | 4,865 | Good |
| M-53 over E Br Pigeon River | 1940 | 4,658 | Fair |
| M-142|pigeon Rd over Pigeon River | 2011 | 4,500 | Good |
| M-53 over Pinnebog River | 1994 | 3,895 | Fair |
| M-19 over Cass River | 1957 | 3,478 | Fair |
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.