S-45-47 over Clapp Swamp
GoodWilliamsburg County, South Carolina · 7.0 MI NW Kingstree · Structure no. 000000000007758
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 425
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-47 over Clapp Swamp is a concrete culvert carrying S-45-47 over Clapp Swamp in Williamsburg County, South Carolina. It was built in 1983, so it is 42 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 425 vehicles a day, roughly 11% of them trucks, projected to reach 621 by 2043. The structure is 23 ft (7 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-45-47 over Clapp Swamp built?
It was built in 1983, making it 42 years old in 2025.
What condition is S-45-47 over Clapp 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 September 2023.
How much traffic does S-45-47 over Clapp Swamp carry?
About 425 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is S-45-47 over Clapp Swamp?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.
Who owns S-45-47 over Clapp Swamp?
It is owned by the State Highway Agency.