US 378 over I-26
GoodLexington County, South Carolina · 4 MI W of Columbia · Structure no. 000000000002797
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 170 ft
- 2 main spans
- Daily traffic
- 33,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 378 over I-26 is a steel stringer/multi-beam or girder carrying US 378 over I-26 in Lexington County, South Carolina. It was built in 2005, so it is 20 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 33,500 vehicles a day, roughly 3% of them trucks, projected to reach 46,230 by 2043. The structure is 170 ft (51.8 m) long and 149 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 378 over I-26 built?
It was built in 2005, making it 20 years old in 2025.
What condition is US 378 over I-26 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 November 2023.
How much traffic does US 378 over I-26 carry?
About 33,500 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US 378 over I-26?
The structure is 170 ft (51.8 m) long with a longest span of 85 ft (25.9 m) and a deck 149 ft wide.
Who owns US 378 over I-26?
It is owned by the State Highway Agency.