S-45-47 over Clapp Swamp
GoodWilliamsburg County, South Carolina · 8MI NW Kingstree · Structure no. 000000000007757
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 425
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-47 over Clapp Swamp is a concrete slab 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 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 425 vehicles a day, roughly 11% of them trucks, projected to reach 621 by 2043. The structure is 90 ft (27.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
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 August 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 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.
Who owns S-45-47 over Clapp Swamp?
It is owned by the State Highway Agency.