Nysta Exit 21B over 87IX Rte I87
Greene County, New York · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nysta Exit 21B over 87IX Rte I87 in Greene County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1972 and reconstructed in 1998, making it 53 years old at the 2025 inventory.
- It carries about 2,264 vehicles a day (traffic count year 2018).
- 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 → (42.39365, -73.82479)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 5 | Fair condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 205 ft |
| Location | Nys Thruway Exit 21B |
| NBI structure number | 000000005513279 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
All bridges nearby: Greene County, NY bridge conditions · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.