S-31-37 over Cowpen Swamp
GoodLee County, South Carolina · 10 MI SW of Bishopville · Structure no. 000000000002576
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-31-37 over Cowpen Swamp is a prestressed concrete slab carrying S-31-37 over Cowpen Swamp in Lee County, South Carolina. It was built in 2016, so it is 9 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 250 vehicles a day, roughly 12% of them trucks, projected to reach 365 by 2043. The structure is 70 ft (21.3 m) long and 36 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-31-37 over Cowpen Swamp built?
It was built in 2016, making it 9 years old in 2025.
What condition is S-31-37 over Cowpen 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 July 2023.
How much traffic does S-31-37 over Cowpen Swamp carry?
About 250 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is S-31-37 over Cowpen Swamp?
The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.
Who owns S-31-37 over Cowpen Swamp?
It is owned by the State Highway Agency.