Blue Ridge Parkway over U.S. Route 421
Watauga County, North Carolina · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Blue Ridge Parkway over U.S. Route 421 in Watauga County, North Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 2001, making it 24 years old at the 2025 inventory.
- It carries about 2,300 vehicles a day (traffic count year 2013).
- 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 → (36.23022, -81.49972)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 267 ft |
| Location | 15.0 Miles From Nc Route |
| NBI structure number | 5140091P0000000 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the North Carolina department of transportation.
All bridges nearby: Watauga County, NC bridge conditions · North Carolina bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.