I-520 WB over I-20
GoodAiken County, South Carolina · North Augusta · Structure no. 000000000009922
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 269 ft
- 2 main spans
- Daily traffic
- 5,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-520 WB over I-20 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-520 WB over I-20 in Aiken County, South Carolina. It was built in 2009, so it is 16 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 5,700 vehicles a day, roughly 9% of them trucks, projected to reach 13,980 by 2042. The structure is 269 ft (82.1 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-520 WB over I-20 built?
It was built in 2009, making it 16 years old in 2025.
What condition is I-520 WB over I-20 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 January 2024.
How much traffic does I-520 WB over I-20 carry?
About 5,700 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-520 WB over I-20?
The structure is 269 ft (82.1 m) long with a longest span of 135 ft (41.3 m) and a deck 39 ft wide.
Who owns I-520 WB over I-20?
It is owned by the State Highway Agency.