US 21 over Sandy Run Creek
GoodColleton County, South Carolina · 13 MI SW of Walterboro · Structure no. 000000000010438
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 135 ft
- 4 main spans
- Daily traffic
- 1,350
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 21 over Sandy Run Creek is a prestressed concrete box beam or girders - multiple carrying US 21 over Sandy Run Creek in Colleton County, South Carolina. It was built in 2022, so it is 3 years old, younger than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,350 vehicles a day, roughly 28% of them trucks, projected to reach 2,147 by 2043. The structure is 135 ft (41.1 m) long and 48 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 21 over Sandy Run Creek built?
It was built in 2022, making it 3 years old in 2025.
What condition is US 21 over Sandy Run Creek 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 March 2023.
How much traffic does US 21 over Sandy Run Creek carry?
About 1,350 vehicles per day (2023 count), of which roughly 28% are trucks.
How long is US 21 over Sandy Run Creek?
The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 48 ft wide.
Who owns US 21 over Sandy Run Creek?
It is owned by the State Highway Agency.