S-43-412 over Douglas Swamp
GoodSumter County, South Carolina · 12 MI SE of Mayesville · Structure no. 000000000009288
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 132 ft
- 4 main spans
- Daily traffic
- 275
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-43-412 over Douglas Swamp is a concrete continuous slab carrying S-43-412 over Douglas Swamp in Sumter County, South Carolina. It was built in 1997, so it is 28 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2043. The structure is 132 ft (40.2 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-43-412 over Douglas Swamp built?
It was built in 1997, making it 28 years old in 2025.
What condition is S-43-412 over Douglas 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-43-412 over Douglas Swamp carry?
About 275 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-43-412 over Douglas Swamp?
The structure is 132 ft (40.2 m) long with a longest span of 33 ft (10.1 m) and a deck 37 ft wide.
Who owns S-43-412 over Douglas Swamp?
It is owned by the State Highway Agency.