S-43-150 over Douglas Swamp
FairSumter County, South Carolina · 14 MI SE of Mayesville · Structure no. 000000000009472
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 132 ft
- 4 main spans
- Daily traffic
- 325
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-43-150 over Douglas Swamp is a concrete continuous slab carrying S-43-150 over Douglas Swamp in Sumter County, South Carolina. It was built in 1999, so it is 26 years old, younger 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 325 vehicles a day, roughly 4% of them trucks, projected to reach 452 by 2043. The structure is 132 ft (40.2 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-43-150 over Douglas Swamp built?
It was built in 1999, making it 26 years old in 2025.
What condition is S-43-150 over Douglas Swamp 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-43-150 over Douglas Swamp carry?
About 325 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-43-150 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 36 ft wide.
Who owns S-43-150 over Douglas Swamp?
It is owned by the State Highway Agency.