S-21-55 over Lynches River
FairFlorence County, South Carolina · 4 MI NW Coward · Structure no. 000000000007563
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete
- Length
- 300 ft
- 10 main spans
- Daily traffic
- 950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-55 over Lynches River is a concrete slab carrying S-21-55 over Lynches River in Florence County, South Carolina. It was built in 1982, so it is 43 years old, younger 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 950 vehicles a day, roughly 7% of them trucks, projected to reach 1,387 by 2043. The structure is 300 ft (91.4 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-21-55 over Lynches River built?
It was built in 1982, making it 43 years old in 2025.
What condition is S-21-55 over Lynches River 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-21-55 over Lynches River carry?
About 950 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is S-21-55 over Lynches River?
The structure is 300 ft (91.4 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.
Who owns S-21-55 over Lynches River?
It is owned by the State Highway Agency.