Bridge conditions in Ontario County, New York
180 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 180 bridges in Ontario County: 62 rated good, 101 fair, and 17 poor.
- 17 of the 180 bridges in Ontario County, New York, are rated in poor condition (9.4%) in the 2025 National Bridge Inventory, as of .
- 62 bridges (34.4%) are rated good and 101 (56.1%) fair.
- The median Ontario County bridge was built in 1978.
- The busiest poor-rated bridge is Rte I90 over Canandaigua Outlet (built 1953), carrying about 36,591 vehicles a day.
Good 34.4% · Fair 56.1% · Poor 9.4% of 180 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.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I90 over Canandaigua Outlet | 1953 | 36,591 | Poor |
| Rte I90 over Fall Brook | 1954 | 18,825 | Poor |
| Rte I90 over Fall Brook | 1954 | 18,296 | Poor |
| Rte 5 over Marsh Creek | 1958 | 12,765 | Poor |
| Port Gibson Road over 90IX EB | 1954 | 3,075 | Poor |
| Port Gibson Road over Rte I90 | 1954 | 3,075 | Poor |
| East Lake Road over Mill Creek | 1939 | 3,022 | Poor |
| Rte 65 over Honeoye Creek | 1957 | 2,199 | Poor |
| Rte 488 over Canandaigua Outlet | 1961 | 2,145 | Poor |
| Wood Drive over East Branch of Beaver Cr | 1981 | 1,583 | Poor |
| Rte 245 over Flint Creek | 1929 | 1,195 | Poor |
| Marbletown Rd over 90IX Rte I90 | 1954 | 1,174 | Poor |
| Middle Street over Marsh Creek | 1960 | 772 | Poor |
| Lake to Lake Road over Flint Creek | 1939 | 322 | Poor |
| Charlton Road over Flint Creek | 1927 | 171 | Poor |
| Slate Rock Road over Wilson Creek | 1925 | 61 | Poor |
| Lower Egypt Road over Mill Creek | 1940 | 31 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I90 over Ganargua Creek | 1947 | 58,094 | Fair |
| Rte I90 over Brownsville Rd | 1946 | 58,094 | Good |
| Rte I90 over CR 9 | 1947 | 58,094 | Fair |
| Rte I90 over High Street | 1947 | 58,094 | Fair |
| Rte I90 over Canandaigua Outlet | 2014 | 37,600 | Good |
| Rte I90 over Rte 14 | 1954 | 36,591 | Fair |
| Rte I90 over Rte 88 | 1954 | 36,591 | Fair |
| Rte I90 over Maryland St | 1954 | 36,591 | Fair |
| Rte I90 over Canandaigua Outlet | 2000 | 36,591 | Good |
| Rte I90 over Canandaigua Outlet | 1953 | 36,591 | Poor |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
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.