Chautauqua County Bridge Report Card
Chautauqua County scores 70 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Chautauqua County, New York
Chautauqua County has 559 bridges in the National Bridge Inventory, with 52 rated poor and 16 rated scour-critical. Its poor-condition share of 9.3% is at or below the 9.9% statewide average. Poor-condition bridges carry about 95,020 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Chautauqua County a Bridge Condition Exposure Score of 70/100 (C). The county has 559 bridges in the National Bridge Inventory, including 52 in poor condition and 16 rated scour-critical. Poor-condition bridges carry about 95,020 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 | 9.3% | 18.6 |
| Poor-condition traffic exposure | 25 | 6.7% of measured traffic | 5.0 |
| Scour-critical bridge share | 20 | 2.9% | 5.7 |
| Average age vs national baseline | 10 | 48 years vs 48 nationally | 0.2 |
| Traffic-data completeness | 5 | 1,415,898 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 | 9.3% |
| State Poor-Condition Share | 9.9% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.9% |
| Average Bridge Age | 48 years |
| Poor-Condition Traffic Exposure | 95,020 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Chautauqua County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Falconer Street over Moon Brook | Poor condition + traffic exposure | Poor | 2,508 | 1948 |
| Institute Avenue over Chadakoin River | Poor condition + traffic exposure | Poor | 888 | 1976 |
| Dole Swamp Road over Little Brokenstraw Creek | Poor condition + traffic exposure | Poor | 15 | 1965 |
| Klondyke Road over Tb Twentymile Crk | Poor condition + traffic exposure | Poor | 4 | 1900 |
| RTE I86 over Ball Creek Chautauqua L | Poor condition + traffic exposure | Poor | 15,071 | 1982 |
| RTE I90 over Csxt Rr/amtrak Norfolk | Poor condition + traffic exposure | Poor | 9,423 | 1955 |
| RTE I90 over Csxt Rr/amtrak Norfolk | Poor condition + traffic exposure | Poor | 8,444 | 1955 |
| RTE 60 over Br Cassadaga Crk | Poor condition + traffic exposure | Poor | 6,288 | 1955 |
| RTE I86 over Town Lne RD | Poor condition + traffic exposure | Poor | 5,877 | 1976 |
| RTE I86 over Cassadaga Creek | Poor condition + traffic exposure | Poor | 5,305 | 1969 |
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.