US 378 over Trib to Black River
FairSumter County, South Carolina · 11 MI E of Sumter · Structure no. 000000000001567
- Built
- 1929
- 96 years old, rebuilt 1971
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 11,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 378 over Trib to Black River is a concrete culvert carrying US 378 over Trib to Black River in Sumter County, South Carolina. It was built in 1929 and reconstructed in 1971, so it is 96 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,200 vehicles a day, roughly 13% of them trucks, projected to reach 19,488 by 2043. The structure is 21 ft (6.4 m) long and 122 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 378 over Trib to Black River built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1971.
What condition is US 378 over Trib to Black River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does US 378 over Trib to Black River carry?
About 11,200 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is US 378 over Trib to Black River?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 122 ft wide.
Who owns US 378 over Trib to Black River?
It is owned by the State Highway Agency.