US21B over Yadkin River
PoorSurry County, North Carolina · .28 MI.S.JCT.NC268 · Structure no. 000000001710021
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 400 ft
- 5 main spans
- Daily traffic
- 12,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US21B over Yadkin River is a steel stringer/multi-beam or girder carrying US21B over Yadkin River in Surry County, North Carolina. It was built in 1971, so it is 54 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 12,000 vehicles a day, roughly 6% of them trucks, projected to reach 24,000 by 2040. The structure is 400 ft (121.9 m) long and 52 ft wide. If it were closed, the detour would be 5.6 mi (9 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US21B over Yadkin River built?
It was built in 1971, making it 54 years old in 2025.
What condition is US21B over Yadkin River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.
How much traffic does US21B over Yadkin River carry?
About 12,000 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is US21B over Yadkin River?
The structure is 400 ft (121.9 m) long with a longest span of 78 ft (23.7 m) and a deck 52 ft wide.
Who owns US21B over Yadkin River?
It is owned by the State Highway Agency.