Slate Rock Road over Wilson Creek
Ontario County, New York · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Slate Rock Road over Wilson Creek in Ontario County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1925 and reconstructed in 1978, making it 100 years old at the 2025 inventory.
- It carries about 61 vehicles a day (traffic count year 2021).
- Its listed owner is a town or township highway agency.
- It is one of 17 of the 180 inventoried bridges in Ontario County rated poor (9.4%); 17 (9.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.81804, -77.00061)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Timber slab |
| Length | about 32 ft |
| Location | 3.2 Mi S of Geneva |
| NBI structure number | 000000002211690 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Ontario 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 |
All bridges nearby: Ontario County, NY bridge conditions · every bridge in Ontario County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.