Sc 377 over Black River Swamp (3)
GoodWilliamsburg County, South Carolina · 4 MI S of Kingstree · Structure no. 000000000002274
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 420 ft
- 14 main spans
- Daily traffic
- 3,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 377 over Black River Swamp (3) is a concrete continuous slab carrying Sc 377 over Black River Swamp (3) in Williamsburg County, South Carolina. It was built in 2008, so it is 17 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 3,700 vehicles a day, roughly 11% of them trucks, projected to reach 5,883 by 2043. The structure is 420 ft (128 m) long and 47 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sc 377 over Black River Swamp (3) built?
It was built in 2008, making it 17 years old in 2025.
What condition is Sc 377 over Black River Swamp (3) 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 October 2024.
How much traffic does Sc 377 over Black River Swamp (3) carry?
About 3,700 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Sc 377 over Black River Swamp (3)?
The structure is 420 ft (128 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.
Who owns Sc 377 over Black River Swamp (3)?
It is owned by the State Highway Agency.