S-34-413 over White Oak Swamp
FairMarion County, South Carolina · In Mullins · Structure no. 000000000006739
- Built
- 1975
- 50 years old, rebuilt 2006
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 225
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-34-413 over White Oak Swamp is a concrete slab carrying S-34-413 over White Oak Swamp in Marion County, South Carolina. It was built in 1975 and reconstructed in 2006, so it is 50 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 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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-34-413 over White Oak Swamp built?
It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2006.
What condition is S-34-413 over White Oak 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 May 2023.
How much traffic does S-34-413 over White Oak Swamp carry?
About 225 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-34-413 over White Oak Swamp?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-34-413 over White Oak Swamp?
It is owned by the State Highway Agency.