Bridge conditions in Allegany County, New York
403 inventoried bridges · 27 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 403 bridges in Allegany County: 153 rated good, 223 fair, and 27 poor.
- 27 of the 403 bridges in Allegany County, New York, are rated in poor condition (6.7%) in the 2025 National Bridge Inventory, as of .
- 153 bridges (38.0%) are rated good and 223 (55.3%) fair.
- The median Allegany County bridge was built in 1980.
- The busiest poor-rated bridge is Rte 248 over Cryder Creek (built 1981), carrying about 1,319 vehicles a day.
Good 38.0% · Fair 55.3% · Poor 6.7% of 403 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 417 over Crowner Brook | 2007 | 11,348 | Good |
| Rte 417 over Genesee River | 1988 | 11,348 | Fair |
| Rte 19 over Dyke Creek | 1975 | 7,848 | Fair |
| County Road 20 over N Br Van Campen C | 2010 | 7,246 | Good |
| Rte 19 over Vandermark Creek | 1996 | 6,706 | Fair |
| Rte 21 over Karr Valley Creek | 1990 | 6,130 | Fair |
| Rte I86 over Oil Creek Channel | 1972 | 5,949 | Fair |
| Rte I86 over Rte 446 | 1972 | 5,949 | Fair |
| Rte I86 over Oil Creek Channel | 1972 | 5,949 | Good |
| Rte I86 over Rte 305 | 1972 | 5,949 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Allegany County → - all 403, busiest first, each with its own condition record.
All of New York: New York bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.