S-21-888 over Middle Swamp
FairFlorence County, South Carolina · Oakdale Subd Florence · Structure no. 000000000005060
- Built
- 1967
- 58 years old, rebuilt 2002
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete
- Length
- 60 ft
- 4 main spans
- Daily traffic
- 1,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-888 over Middle Swamp is a concrete slab carrying S-21-888 over Middle Swamp in Florence County, South Carolina. It was built in 1967 and reconstructed in 2002, so it is 58 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 1,200 vehicles a day, roughly 3% of them trucks, projected to reach 1,464 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-21-888 over Middle Swamp built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2002.
What condition is S-21-888 over Middle 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 April 2023.
How much traffic does S-21-888 over Middle Swamp carry?
About 1,200 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is S-21-888 over Middle Swamp?
The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-21-888 over Middle Swamp?
It is owned by the State Highway Agency.