Cattaraugus County Bridge Report Card
Cattaraugus County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Cattaraugus County, New York
Cattaraugus County has 484 bridges in the National Bridge Inventory, with 29 rated poor and 12 rated scour-critical. Its poor-condition share of 6.0% is at or below the 9.9% statewide average. Poor-condition bridges carry about 31,601 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Cattaraugus County a Bridge Condition Exposure Score of 81/100 (B). The county has 484 bridges in the National Bridge Inventory, including 29 in poor condition and 12 rated scour-critical. Poor-condition bridges carry about 31,601 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 | 6.0% | 12.0 |
| Poor-condition traffic exposure | 25 | 3.1% of measured traffic | 2.3 |
| Scour-critical bridge share | 20 | 2.5% | 5.0 |
| Average age vs national baseline | 10 | 44 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,018,629 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 | 6.0% |
| State Poor-Condition Share | 9.9% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.5% |
| Average Bridge Age | 44 years |
| Poor-Condition Traffic Exposure | 31,601 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Cattaraugus County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| County Road 21 over Elton Creek | Poor condition + traffic exposure | Poor | 303 | 1910 |
| Bone Run Road over Bone Run | Poor condition + traffic exposure | Poor | 303 | 1953 |
| RTE I86 over Ischua Creek | Poor condition + traffic exposure | Poor | 6,790 | 1972 |
| RTE 16 over Gates Creek | Poor condition + traffic exposure | Poor | 5,437 | 1934 |
| RTE 16 over Saunders Creek | Poor condition + traffic exposure | Poor | 5,437 | 1934 |
| RTE 16 over Lime Lake Outlet | Poor condition + traffic exposure | Poor | 4,878 | 1934 |
| RTE 305 over Deer Creek | Poor condition + traffic exposure | Poor | 2,597 | 1945 |
| RTE 242 over Great Valley Creek | Poor condition + traffic exposure | Poor | 1,988 | 1957 |
| RTE 62 over Conewango Creek | Poor condition + traffic exposure | Poor | 1,278 | 1934 |
| RTE 280 over Wolf Run Creek | Poor condition + traffic exposure | Poor | 667 | 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.