I-20 WB over Sc 340
FairDarlington County, South Carolina · 9MI W of Florence · Structure no. 000000000006264
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 214 ft
- 3 main spans
- Daily traffic
- 15,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-20 WB over Sc 340 is a steel stringer/multi-beam or girder carrying I-20 WB over Sc 340 in Darlington County, South Carolina. It was built in 1973, so it is 52 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 15,200 vehicles a day, roughly 16% of them trucks, projected to reach 11,400 by 2043. The structure is 214 ft (65.2 m) long and 43 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-20 WB over Sc 340 built?
It was built in 1973, making it 52 years old in 2025.
What condition is I-20 WB over Sc 340 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 January 2024.
How much traffic does I-20 WB over Sc 340 carry?
About 15,200 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is I-20 WB over Sc 340?
The structure is 214 ft (65.2 m) long with a longest span of 126 ft (38.4 m) and a deck 43 ft wide.
Who owns I-20 WB over Sc 340?
It is owned by the State Highway Agency.