Sc 9 over Iron Spring Swamp
GoodHorry County, South Carolina · 1.0 MI SW of Green Sea · Structure no. 000000000007478
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 9,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 9 over Iron Spring Swamp is a concrete continuous culvert carrying Sc 9 over Iron Spring Swamp in Horry County, South Carolina. It was built in 1981, so it is 44 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 9,400 vehicles a day, roughly 11% of them trucks, projected to reach 16,356 by 2043. The structure is 33 ft (10 m) long and 146 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sc 9 over Iron Spring Swamp built?
It was built in 1981, making it 44 years old in 2025.
What condition is Sc 9 over Iron Spring 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 June 2024.
How much traffic does Sc 9 over Iron Spring Swamp carry?
About 9,400 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Sc 9 over Iron Spring Swamp?
The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m) and a deck 146 ft wide.
Who owns Sc 9 over Iron Spring Swamp?
It is owned by the State Highway Agency.