S-25-13 over Whippy Swamp
FairHampton County, South Carolina · 6MI NW Varnville · Structure no. 000000000009436
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 210 ft
- 7 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-25-13 over Whippy Swamp is a prestressed concrete slab carrying S-25-13 over Whippy Swamp in Hampton County, South Carolina. It was built in 1999, so it is 26 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 400 vehicles a day, roughly 12% of them trucks, projected to reach 584 by 2043. The structure is 210 ft (64 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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-25-13 over Whippy Swamp built?
It was built in 1999, making it 26 years old in 2025.
What condition is S-25-13 over Whippy 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 March 2023.
How much traffic does S-25-13 over Whippy Swamp carry?
About 400 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is S-25-13 over Whippy Swamp?
The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.
Who owns S-25-13 over Whippy Swamp?
It is owned by the State Highway Agency.