US 17 NB over Wallace River
GoodCharleston County, South Carolina · 5 MI NE of Ravenel · Structure no. 000000000001288
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 330 ft
- 10 main spans
- Daily traffic
- 17,950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 17 NB over Wallace River is a concrete continuous slab carrying US 17 NB over Wallace River in Charleston County, South Carolina. It was built in 2008, so it is 17 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 17,950 vehicles a day, roughly 11% of them trucks, projected to reach 31,233 by 2043. The structure is 330 ft (100.6 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 17 NB over Wallace River built?
It was built in 2008, making it 17 years old in 2025.
What condition is US 17 NB over Wallace River 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 June 2024.
How much traffic does US 17 NB over Wallace River carry?
About 17,950 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 17 NB over Wallace River?
The structure is 330 ft (100.6 m) long with a longest span of 40 ft (12.2 m) and a deck 66 ft wide.
Who owns US 17 NB over Wallace River?
It is owned by the State Highway Agency.