S-18-19/WIRE RD over Four Hole Swamp
GoodDorchester County, South Carolina · 5.8MI SW Ridgeville · Structure no. 000000000009422
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 525 ft
- 16 main spans
- Daily traffic
- 1,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-18-19/WIRE RD over Four Hole Swamp is a concrete continuous slab carrying S-18-19/WIRE RD over Four Hole Swamp in Dorchester 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,460 by 2043. The structure is 525 ft (160 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-18-19/WIRE RD over Four Hole Swamp built?
It was built in 1999, making it 26 years old in 2025.
What condition is S-18-19/WIRE RD over Four Hole Swamp in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does S-18-19/WIRE RD over Four Hole Swamp carry?
About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is S-18-19/WIRE RD over Four Hole Swamp?
The structure is 525 ft (160 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.
Who owns S-18-19/WIRE RD over Four Hole Swamp?
It is owned by the State Highway Agency.