S-21-278 over Cypress Swamp
GoodFlorence County, South Carolina · 3 MI W Scranton · Structure no. 000000000008843
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-278 over Cypress Swamp is a prestressed concrete slab carrying S-21-278 over Cypress Swamp in Florence County, South Carolina. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 750 vehicles a day, roughly 9% of them trucks, projected to reach 1,095 by 2043. The structure is 30 ft (9.1 m) long and 39 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-21-278 over Cypress Swamp built?
It was built in 1995, making it 30 years old in 2025.
What condition is S-21-278 over Cypress Swamp 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 March 2024.
How much traffic does S-21-278 over Cypress Swamp carry?
About 750 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is S-21-278 over Cypress Swamp?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.
Who owns S-21-278 over Cypress Swamp?
It is owned by the State Highway Agency.