Interstate 81 Nbl over M. Fork Holston River
Smyth County, Virginia · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Interstate 81 Nbl over M. Fork Holston River in Smyth County, Virginia, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1962 and reconstructed in 1985, making it 63 years old at the 2025 inventory.
- It carries about 16,486 vehicles a day (traffic count year 2022).
- 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 → (36.78916, -81.6872)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 237 ft |
| Location | 0.69 Fr Wcl - .50 to 762 |
| NBI structure number | 000000000017427 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.
All bridges nearby: Smyth County, VA bridge conditions · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.