S-21-49 over Big Cain Creek
GoodFlorence County, South Carolina · 8 MI NW Johnsonville · Structure no. 000000000007995
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Concrete
- Length
- 60 ft
- 2 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-49 over Big Cain Creek is a concrete slab carrying S-21-49 over Big Cain Creek in Florence County, South Carolina. It was built in 1986, so it is 39 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 400 vehicles a day, roughly 9% of them trucks, projected to reach 512 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-21-49 over Big Cain Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is S-21-49 over Big Cain Creek 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-21-49 over Big Cain Creek carry?
About 400 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is S-21-49 over Big Cain Creek?
The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.
Who owns S-21-49 over Big Cain Creek?
It is owned by the State Highway Agency.