Sc 377 over Black River
GoodWilliamsburg County, South Carolina · 4 MI S of Kingstree · Structure no. 000000000002271
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 360 ft
- 6 main spans
- Daily traffic
- 3,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sc 377 over Black River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sc 377 over Black River 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 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 3,700 vehicles a day, roughly 11% of them trucks, projected to reach 5,883 by 2043. The structure is 360 ft (109.7 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 | 7 Good | Some minor problems. |
| 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 Sc 377 over Black River built?
It was built in 2008, making it 17 years old in 2025.
What condition is Sc 377 over Black River 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 carry?
About 3,700 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is Sc 377 over Black River?
The structure is 360 ft (109.7 m) long with a longest span of 60 ft (18.3 m) and a deck 47 ft wide.
Who owns Sc 377 over Black River?
It is owned by the State Highway Agency.