S-26-31 over Simpson Swamp
FairHorry County, South Carolina · 5 MI S Loris · Structure no. 000000000008008
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 5,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-26-31 over Simpson Swamp is a concrete slab carrying S-26-31 over Simpson Swamp in Horry County, South Carolina. It was built in 1986, so it is 39 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 5,200 vehicles a day, roughly 4% of them trucks, projected to reach 7,592 by 2043. The structure is 30 ft (9.1 m) long and 33 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-26-31 over Simpson Swamp built?
It was built in 1986, making it 39 years old in 2025.
What condition is S-26-31 over Simpson 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 August 2023.
How much traffic does S-26-31 over Simpson Swamp carry?
About 5,200 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-26-31 over Simpson Swamp?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.
Who owns S-26-31 over Simpson Swamp?
It is owned by the State Highway Agency.