Otsego County Bridge Report Card
Otsego County scores 69 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Otsego County, Michigan
Otsego County has 25 bridges in the National Bridge Inventory, with 2 rated poor and 0 rated scour-critical. Its poor-condition share of 8.0% is at or below the 11.0% statewide average. Poor-condition bridges carry about 13,582 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Otsego County a Bridge Condition Exposure Score of 69/100 (D). The county has 25 bridges in the National Bridge Inventory, including 2 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 13,582 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 | 8.0% | 16.0 |
| Poor-condition traffic exposure | 25 | 18.8% of measured traffic | 14.1 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 49 years vs 48 nationally | 0.5 |
| Traffic-data completeness | 5 | 72,378 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 | 8.0% |
| State Poor-Condition Share | 11.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 49 years |
| Poor-Condition Traffic Exposure | 13,582 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Otsego County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I-75 SB over M-32|w Main ST | Poor condition + traffic exposure | Poor | 6,791 | 1961 |
| I-75 NB over M-32|w Main ST | Poor condition + traffic exposure | Poor | 6,791 | 1961 |
| I-75 Bl|old 27 over I-75 NB | High traffic | Fair | 12,725 | 1961 |
| I-75 SB over Charles Brink RD | High traffic | Fair | 7,041 | 1961 |
| I-75 NB over Charles Brink RD | High traffic | Fair | 7,041 | 1961 |
| I-75 NB over Lake State Rr | High traffic | Fair | 6,791 | 1962 |
| I-75 SB over Lake State Rr | High traffic | Fair | 6,791 | 1962 |
| I-75 NB over Mc Coy Road | High traffic | Fair | 6,450 | 2009 |
| I-75 SB over Mc Coy Road | High traffic | Fair | 6,450 | 2009 |
| Main ST over I-75 NB | High traffic | Fair | 950 | 1962 |
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.