US221 over US421
GoodWatauga County, North Carolina · Int US221 and US421 · Structure no. 000000001890386
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 183 ft
- 2 main spans
- Daily traffic
- 5,250
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US221 over US421 is a prestressed concrete stringer/multi-beam or girder carrying US221 over US421 in Watauga County, North Carolina. It was built in 2022, so it is 3 years old, younger 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 5,250 vehicles a day, roughly 14% of them trucks, projected to reach 10,500 by 2040. The structure is 183 ft (55.7 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US221 over US421 built?
It was built in 2022, making it 3 years old in 2025.
What condition is US221 over US421 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 September 2024.
How much traffic does US221 over US421 carry?
About 5,250 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is US221 over US421?
The structure is 183 ft (55.7 m) long with a longest span of 92 ft (28 m) and a deck 61 ft wide.
Who owns US221 over US421?
It is owned by the State Highway Agency.