US 17 SB over Marsh
GoodBeaufort County, South Carolina · 10 MI East of Beaufort · Structure no. 000000000009965
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 600 ft
- 20 main spans
- Daily traffic
- 6,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 17 SB over Marsh is a concrete continuous slab carrying US 17 SB over Marsh in Beaufort 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 6,600 vehicles a day, roughly 16% of them trucks, projected to reach 11,484 by 2043. The structure is 600 ft (182.9 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 17 SB over Marsh built?
It was built in 2009, making it 16 years old in 2025.
What condition is US 17 SB over Marsh 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 August 2024.
How much traffic does US 17 SB over Marsh carry?
About 6,600 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is US 17 SB over Marsh?
The structure is 600 ft (182.9 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.
Who owns US 17 SB over Marsh?
It is owned by the State Highway Agency.