US21 over South Yadkin River
FairIredell County, North Carolina · 0.5 Mi. S. Jct. SR2154 · Structure no. 000000000970088
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 550 ft
- 8 main spans
- Daily traffic
- 3,700
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US21 over South Yadkin River is a prestressed concrete stringer/multi-beam or girder carrying US21 over South Yadkin River in Iredell County, North Carolina. It was built in 1982, so it is 43 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,700 vehicles a day, roughly 7% of them trucks, projected to reach 7,400 by 2040. The structure is 550 ft (167.6 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US21 over South Yadkin River built?
It was built in 1982, making it 43 years old in 2025.
What condition is US21 over South Yadkin River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does US21 over South Yadkin River carry?
About 3,700 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is US21 over South Yadkin River?
The structure is 550 ft (167.6 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.
Who owns US21 over South Yadkin River?
It is owned by the State Highway Agency.