S-6-21 over Rosemary Creek
FairBarnwell County, South Carolina · 6MI SW Williston · Structure no. 000000000006223
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-6-21 over Rosemary Creek is a concrete slab carrying S-6-21 over Rosemary Creek in Barnwell County, South Carolina. It was built in 1973, so it is 52 years old, older than the South Carolina average of 48 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 550 vehicles a day, roughly 8% of them trucks, projected to reach 803 by 2043. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 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 S-6-21 over Rosemary Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is S-6-21 over Rosemary Creek 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 June 2023.
How much traffic does S-6-21 over Rosemary Creek carry?
About 550 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is S-6-21 over Rosemary Creek?
The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.
Who owns S-6-21 over Rosemary Creek?
It is owned by the State Highway Agency.