Sc 31 Sbl over Socastee Swamp
FairHorry County, South Carolina · 5.2 MI NE Socastee · Structure no. 000000000009775
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 720 ft
- 18 main spans
- Daily traffic
- 15,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 31 Sbl over Socastee Swamp is a prestressed concrete box beam or girders - multiple carrying Sc 31 Sbl over Socastee Swamp in Horry County, South Carolina. It was built in 2002, so it is 23 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 15,750 vehicles a day, roughly 5% of them trucks, projected to reach 45,518 by 2043. The structure is 720 ft (219.5 m) long and 59 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 Sc 31 Sbl over Socastee Swamp built?
It was built in 2002, making it 23 years old in 2025.
What condition is Sc 31 Sbl over Socastee 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 October 2024.
How much traffic does Sc 31 Sbl over Socastee Swamp carry?
About 15,750 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Sc 31 Sbl over Socastee Swamp?
The structure is 720 ft (219.5 m) long with a longest span of 40 ft (12.2 m) and a deck 59 ft wide.
Who owns Sc 31 Sbl over Socastee Swamp?
It is owned by the State Highway Agency.