S-8-447 over Wadboo Swamp
FairBerkeley County, South Carolina · 2 MI NE Bonneau · Structure no. 000000000004471
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-8-447 over Wadboo Swamp is a concrete slab carrying S-8-447 over Wadboo Swamp in Berkeley County, South Carolina. It was built in 1965, so it is 60 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 384 by 2043. The structure is 30 ft (9.1 m) long and 28 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 | 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-8-447 over Wadboo Swamp built?
It was built in 1965, making it 60 years old in 2025.
What condition is S-8-447 over Wadboo 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 S-8-447 over Wadboo Swamp carry?
About 300 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-8-447 over Wadboo 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-8-447 over Wadboo Swamp?
It is owned by the State Highway Agency.