US 378 over I-95
FairSumter County, South Carolina · 8 MI SE of Mayesville · Structure no. 000000000005166
- Built
- 1967
- 58 years old, rebuilt 1972
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 246 ft
- 4 main spans
- Daily traffic
- 4,900
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 378 over I-95 is a prestressed concrete stringer/multi-beam or girder carrying US 378 over I-95 in Sumter County, South Carolina. It was built in 1967 and reconstructed in 1972, so it is 58 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 5 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 4,900 vehicles a day, roughly 12% of them trucks, projected to reach 8,526 by 2043. The structure is 246 ft (75 m) long and 86 ft wide. If it were closed, the detour would be 98.8 mi (159 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 378 over I-95 built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1972.
What condition is US 378 over I-95 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 I-95 carry?
About 4,900 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US 378 over I-95?
The structure is 246 ft (75 m) long with a longest span of 72 ft (21.9 m) and a deck 86 ft wide.
Who owns US 378 over I-95?
It is owned by the State Highway Agency.