S-9-90 over Four Hole Swamp
FairCalhoun County, South Carolina · 2 MI S Cameron · Structure no. 000000000000389
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 150
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-9-90 over Four Hole Swamp is a concrete culvert carrying S-9-90 over Four Hole Swamp in Calhoun County, South Carolina. It was built in 1930, so it is 95 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 32 ft (9.7 m) long and 30 ft wide.
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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-9-90 over Four Hole Swamp built?
It was built in 1930, making it 95 years old in 2025.
What condition is S-9-90 over Four Hole 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 January 2024.
How much traffic does S-9-90 over Four Hole Swamp carry?
About 150 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-9-90 over Four Hole Swamp?
The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.
Who owns S-9-90 over Four Hole Swamp?
It is owned by the State Highway Agency.