Blue Ridge Parkway over U.S. Route 21
GoodAlleghany County, North Carolina · 18.4 Miles from Nc Route · Structure no. 5140088P0000000
- Built
- 1938
- 87 years old
- Condition
- Good
- inspected July 2023
- Type
- Arch - Deck
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 1,347
- 2013 count
- Owner
- Federal
- National Park Service
About this bridge
Blue Ridge Parkway over U.S. Route 21 is a concrete arch - deck carrying Blue Ridge Parkway over U.S. Route 21 in Alleghany County, North Carolina. It was built in 1938, so it is 87 years old, older than the North Carolina average of 38.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,347 vehicles a day, roughly 13% of them trucks, projected to reach 1,482 by 2033. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Blue Ridge Parkway over U.S. Route 21 built?
It was built in 1938, making it 87 years old in 2025.
What condition is Blue Ridge Parkway over U.S. Route 21 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.
How much traffic does Blue Ridge Parkway over U.S. Route 21 carry?
About 1,347 vehicles per day (2013 count), of which roughly 13% are trucks.
How long is Blue Ridge Parkway over U.S. Route 21?
The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.
Who owns Blue Ridge Parkway over U.S. Route 21?
It is owned by the National Park Service.