S-21-560 over Lynches Lake
GoodFlorence County, South Carolina · 3MI W Johnsonville · Structure no. 000000000009166
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 330 ft
- 10 main spans
- Daily traffic
- 275
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-560 over Lynches Lake is a concrete continuous slab carrying S-21-560 over Lynches Lake in Florence County, South Carolina. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2043. The structure is 330 ft (100.6 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-21-560 over Lynches Lake built?
It was built in 1997, making it 28 years old in 2025.
What condition is S-21-560 over Lynches Lake 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 April 2023.
How much traffic does S-21-560 over Lynches Lake carry?
About 275 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-21-560 over Lynches Lake?
The structure is 330 ft (100.6 m) long with a longest span of 33 ft (10.1 m) and a deck 37 ft wide.
Who owns S-21-560 over Lynches Lake?
It is owned by the State Highway Agency.