Dickinson County Bridge Report Card
Dickinson County scores 36 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Dickinson County, Michigan
Dickinson County has 42 bridges in the National Bridge Inventory, with 7 rated poor and 11 rated scour-critical. Its poor-condition share of 16.7% is above the 11.0% statewide average. Poor-condition bridges carry about 7,098 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Dickinson County a Bridge Condition Exposure Score of 36/100 (F). The county has 42 bridges in the National Bridge Inventory, including 7 in poor condition and 11 rated scour-critical. Poor-condition bridges carry about 7,098 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 | 16.7% | 33.3 |
| Poor-condition traffic exposure | 25 | 13.4% of measured traffic | 10.0 |
| Scour-critical bridge share | 20 | 26.2% | 20.0 |
| Average age vs national baseline | 10 | 48 years vs 48 nationally | 0.2 |
| Traffic-data completeness | 5 | 53,003 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 | 16.7% |
| State Poor-Condition Share | 11.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 26.2% |
| Average Bridge Age | 48 years |
| Poor-Condition Traffic Exposure | 7,098 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Dickinson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| County HWY 569 over E Br Sturgeon River | Poor condition + traffic exposure | Poor | 453 | 1945 |
| County HWY 581 over E Br Sturgeon River | Poor condition + traffic exposure | Poor | 406 | 1927 |
| Rideout Road over E Br Sturgeon River | Poor condition + traffic exposure | Poor | 135 | 1945 |
| Walker Road over N Branch Of Ford River | Poor condition + traffic exposure | Poor | 10 | 1957 |
| M-95 over Ford River | Poor condition + traffic exposure | Poor | 3,051 | 1928 |
| M-95 over Private Rr (abn) | Poor condition + traffic exposure | Poor | 3,033 | 1968 |
| Degroot RD over N Br Ford River | Poor condition + traffic exposure | Poor | 10 | 2008 |
| Us-2|us-141 over Menominee River | Scour-critical foundation rating | Fair | 6,759 | 1981 |
| M-95 over Menominee River | Scour-critical foundation rating | Fair | 5,620 | 1973 |
| Us-8 over Menominee River | Scour-critical foundation rating | Fair | 2,875 | 1966 |
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.