S-6-57 over Salkehatchie River Swamp
GoodBarnwell County, South Carolina · 8 MI E Barnwell · Structure no. 000000000004261
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 150
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-6-57 over Salkehatchie River Swamp is a prestressed concrete slab carrying S-6-57 over Salkehatchie River Swamp in Barnwell County, South Carolina. It was built in 2005, so it is 20 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 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 150 vehicles a day, roughly 9% of them trucks, projected to reach 219 by 2043. The structure is 100 ft (30.5 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 7 Good | Some minor problems. |
| 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 S-6-57 over Salkehatchie River Swamp built?
It was built in 2005, making it 20 years old in 2025.
What condition is S-6-57 over Salkehatchie River Swamp 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 June 2023.
How much traffic does S-6-57 over Salkehatchie River Swamp carry?
About 150 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is S-6-57 over Salkehatchie River Swamp?
The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.
Who owns S-6-57 over Salkehatchie River Swamp?
It is owned by the State Highway Agency.