U.S. Route 17 over Dismal Swamp Canal
Isle of Wight County, Virginia · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- U.S. Route 17 over Dismal Swamp Canal in Isle of Wight County, Virginia, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 35,000 vehicles a day (traffic count year 2021).
- 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 → (36.74107, -76.34488)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 4 | Poor condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel movable bascule |
| Length | about 129 ft |
| Location | Deep Creek |
| NBI structure number | 000000000001818 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.
All bridges nearby: Isle of Wight County, VA bridge conditions · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.