Huron County Bridge Report Card
Huron County scores 60 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Huron County, Michigan
Huron County has 192 bridges in the National Bridge Inventory, with 14 rated poor and 24 rated scour-critical. Its poor-condition share of 7.3% is at or below the 11.0% statewide average. Poor-condition bridges carry about 8,419 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Huron County a Bridge Condition Exposure Score of 60/100 (D). The county has 192 bridges in the National Bridge Inventory, including 14 in poor condition and 24 rated scour-critical. Poor-condition bridges carry about 8,419 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 | 7.3% | 14.6 |
| Poor-condition traffic exposure | 25 | 6.2% of measured traffic | 4.6 |
| Scour-critical bridge share | 20 | 12.5% | 20.0 |
| Average age vs national baseline | 10 | 49 years vs 48 nationally | 0.5 |
| Traffic-data completeness | 5 | 136,792 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 | 7.3% |
| State Poor-Condition Share | 11.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 12.5% |
| Average Bridge Age | 49 years |
| Poor-Condition Traffic Exposure | 8,419 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Huron County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| M-25 over Willow Creek | Poor condition + traffic exposure | Poor | 816 | 1970 |
| Oak Beach Road over Pinnebog River | Poor condition + traffic exposure | Poor | 390 | 1959 |
| Kuhl Road over Shebeon Drain | Poor condition + traffic exposure | Poor | 350 | 1984 |
| Mcmillan Road over Moore Creek | Poor condition + traffic exposure | Poor | 180 | 1920 |
| Caseville Road over Pigeon River | Poor condition + traffic exposure | Poor | 2,035 | 1995 |
| Kinde Road over Pigeon River | Poor condition + traffic exposure | Poor | 1,900 | 1964 |
| Spring Street over Bird Creek | Poor condition + traffic exposure | Poor | 1,200 | 1975 |
| Berne Road over Pigeon River | Poor condition + traffic exposure | Poor | 465 | 1910 |
| Schock Road over Sucker Creek | Poor condition + traffic exposure | Poor | 400 | 1985 |
| Stoddard Road over Willow River | Poor condition + traffic exposure | Poor | 245 | 1978 |
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.