Rte I90 over Stony Kill
Columbia County, New York · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte I90 over Stony Kill in Columbia County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1958 and reconstructed in 2003, making it 67 years old at the 2025 inventory.
- It carries about 11,122 vehicles a day (traffic count year 2014).
- 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 → (42.41044, -73.53445)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 92 ft |
| Location | 0.4 Mi W of East Chatham |
| NBI structure number | 000000005515281 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
All bridges nearby: Columbia County, NY bridge conditions · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.