S-21-34 over Singletary Branch
FairFlorence County, South Carolina · 5 MI E Cowards · Structure no. 000000000005722
- Built
- 1970
- 55 years old, rebuilt 1997
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 1,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-34 over Singletary Branch is a concrete slab carrying S-21-34 over Singletary Branch in Florence County, South Carolina. It was built in 1970 and reconstructed in 1997, so it is 55 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 5 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 1,300 vehicles a day, roughly 10% of them trucks, projected to reach 1,898 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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-21-34 over Singletary Branch built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.
What condition is S-21-34 over Singletary Branch 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-21-34 over Singletary Branch carry?
About 1,300 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is S-21-34 over Singletary Branch?
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-21-34 over Singletary Branch?
It is owned by the State Highway Agency.