S-9-43 over Halfway Swamp
FairCalhoun County, South Carolina · 4 MI E ST Mathews · Structure no. 000000000000671
- Built
- 1935
- 90 years old
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-9-43 over Halfway Swamp is a concrete culvert carrying S-9-43 over Halfway Swamp in Calhoun County, South Carolina. It was built in 1935, so it is 90 years old, older 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 384 by 2043. The structure is 21 ft (6.4 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-9-43 over Halfway Swamp built?
It was built in 1935, making it 90 years old in 2025.
What condition is S-9-43 over Halfway 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 July 2023.
How much traffic does S-9-43 over Halfway Swamp carry?
About 300 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-9-43 over Halfway Swamp?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.
Who owns S-9-43 over Halfway Swamp?
It is owned by the State Highway Agency.