S-26-129 over Tredwell Swamp
FairHorry County, South Carolina · 1 MI N Aynor · Structure no. 000000000003337
- Built
- 1960
- 65 years old, rebuilt 1994
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 450
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-26-129 over Tredwell Swamp is a concrete slab carrying S-26-129 over Tredwell Swamp in Horry County, South Carolina. It was built in 1960 and reconstructed in 1994, 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 450 vehicles a day, roughly 6% of them trucks, projected to reach 576 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-26-129 over Tredwell Swamp built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1994.
What condition is S-26-129 over Tredwell 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 2024.
How much traffic does S-26-129 over Tredwell Swamp carry?
About 450 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is S-26-129 over Tredwell 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-26-129 over Tredwell Swamp?
It is owned by the State Highway Agency.