Madison County Bridge Report Card
Madison County scores 65 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Madison County, New York
Madison County has 176 bridges in the National Bridge Inventory, with 16 rated poor and 4 rated scour-critical. Its poor-condition share of 9.1% is at or below the 9.9% statewide average. Poor-condition bridges carry about 55,678 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Madison County a Bridge Condition Exposure Score of 65/100 (D). The county has 176 bridges in the National Bridge Inventory, including 16 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 55,678 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 | 9.1% | 18.2 |
| Poor-condition traffic exposure | 25 | 12.3% of measured traffic | 9.2 |
| Scour-critical bridge share | 20 | 2.3% | 4.5 |
| Average age vs national baseline | 10 | 57 years vs 48 nationally | 3.5 |
| Traffic-data completeness | 5 | 452,758 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 | 9.1% |
| State Poor-Condition Share | 9.9% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.3% |
| Average Bridge Age | 57 years |
| Poor-Condition Traffic Exposure | 55,678 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Madison County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Lyon Road over Chittenango Creek | Poor condition + traffic exposure | Poor | 294 | 1932 |
| RTE I90 over Cowaselon Creek | Poor condition + traffic exposure | Poor | 17,197 | 1954 |
| RTE I90 over Cowaselon Creek | Poor condition + traffic exposure | Poor | 15,647 | 1954 |
| RTE 46 over 90 Ix RTE I90 | Poor condition + traffic exposure | Poor | 5,991 | 1954 |
| Lakeport Road over Csx Trans/ Amtrak | Poor condition + traffic exposure | Poor | 5,144 | 1979 |
| RTE 13 over Cowaselon Creek | Poor condition + traffic exposure | Poor | 4,684 | 1976 |
| RTE 8 over Button Creek | Poor condition + traffic exposure | Poor | 2,446 | 1972 |
| CR 76 over 90ix RTE I90 | Poor condition + traffic exposure | Poor | 1,225 | 1953 |
| Mill Street over E Br Limestone Creek | Poor condition + traffic exposure | Poor | 774 | 1932 |
| Cobb Street over Old Erie Canal | Poor condition + traffic exposure | Poor | 756 | 1925 |
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.