I-526 WB over US 17
FairCharleston County, South Carolina · In Mt. Pleasant · Structure no. 000000000008422
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 269 ft
- 3 main spans
- Daily traffic
- 20,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-526 WB over US 17 is a steel stringer/multi-beam or girder carrying I-526 WB over US 17 in Charleston County, South Carolina. It was built in 1991, so it is 34 years old, younger 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 20,750 vehicles a day, roughly 4% of them trucks, projected to reach 31,955 by 2043. The structure is 269 ft (82 m) long and 55 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-526 WB over US 17 built?
It was built in 1991, making it 34 years old in 2025.
What condition is I-526 WB over US 17 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 August 2024.
How much traffic does I-526 WB over US 17 carry?
About 20,750 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is I-526 WB over US 17?
The structure is 269 ft (82 m) long with a longest span of 168 ft (51.2 m) and a deck 55 ft wide.
Who owns I-526 WB over US 17?
It is owned by the State Highway Agency.