Rte 77 over Eighteen Mile Creek
Niagara County, New York · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte 77 over Eighteen Mile Creek in Niagara County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1918 and reconstructed in 1953, making it 107 years old at the 2025 inventory.
- It carries about 1,780 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- 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 → (43.1731, -78.59799)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 5 | Fair condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete slab |
| Length | about 24 ft |
| Location | 2.5 Mi E Jct SH 31 & SH77 |
| NBI structure number | 000000001030120 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
All bridges nearby: Niagara County, NY bridge conditions · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.