US 17 Alt over I-26
GoodBerkeley County, South Carolina · 13.4MI SW Moncks Corner · Structure no. 000000000003820
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 361 ft
- 4 main spans
- Daily traffic
- 59,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 17 Alt over I-26 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 17 Alt over I-26 in Berkeley County, South Carolina. It was built in 2003, so it is 22 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 59,300 vehicles a day, roughly 12% of them trucks, projected to reach 84,799 by 2043. The structure is 361 ft (110 m) long and 146 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 17 Alt over I-26 built?
It was built in 2003, making it 22 years old in 2025.
What condition is US 17 Alt 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 September 2023.
How much traffic does US 17 Alt over I-26 carry?
About 59,300 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US 17 Alt over I-26?
The structure is 361 ft (110 m) long with a longest span of 128 ft (39 m) and a deck 146 ft wide.
Who owns US 17 Alt over I-26?
It is owned by the State Highway Agency.