Silvernails Road over Unnamed Stream
Columbia County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Silvernails Road over Unnamed Stream in Columbia County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 691 vehicles a day (traffic count year 2020).
- Its listed owner is a town or township highway agency.
- It is one of 156 of the 243 inventoried bridges in Columbia County rated fair (64.2%); 47 (19.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (42.00509, -73.67901)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 20 ft |
| Location | 1.9 Miles East of Mt Ross |
| NBI structure number | 000000002262920 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Columbia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I90 over Frisbee Creek | 1957 | 18,159 | Fair |
| Rte 9 over CSX Transportation | 1995 | 14,730 | Fair |
| Rte I90 over County Road 32 | 1958 | 12,236 | Poor |
| Rte I90 over Kinderhook Creek | 1958 | 12,236 | Fair |
| Rte I90 over Albany Turnpike | 2002 | 12,236 | Good |
| Rte 9H over Empire State Rail Trail | 1937 | 11,608 | Fair |
All bridges nearby: Columbia County, NY bridge conditions · every bridge in Columbia County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.