S-34-299 over Smith Swamp
FairMarion County, South Carolina · 3MI E Marion · Structure no. 000000000003389
- Built
- 1960
- 65 years old, rebuilt 1997
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Concrete
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-34-299 over Smith Swamp is a concrete slab carrying S-34-299 over Smith Swamp in Marion County, South Carolina. It was built in 1960 and reconstructed in 1997, so it is 65 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 800 vehicles a day, roughly 5% of them trucks, projected to reach 1,024 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-34-299 over Smith Swamp built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1997.
What condition is S-34-299 over Smith 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-34-299 over Smith Swamp carry?
About 800 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-34-299 over Smith Swamp?
The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-34-299 over Smith Swamp?
It is owned by the State Highway Agency.