S-17-175 over Maple Swamp Branch
GoodDillon County, South Carolina · 2MI S Dillon · Structure no. 000000000008437
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-17-175 over Maple Swamp Branch is a prestressed concrete slab carrying S-17-175 over Maple Swamp Branch in Dillon 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 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 600 vehicles a day, roughly 6% of them trucks, projected to reach 846 by 2025. The structure is 60 ft (18.3 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 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 S-17-175 over Maple Swamp Branch built?
It was built in 1991, making it 34 years old in 2025.
What condition is S-17-175 over Maple Swamp Branch 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 2025.
How much traffic does S-17-175 over Maple Swamp Branch carry?
About 600 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is S-17-175 over Maple Swamp Branch?
The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.
Who owns S-17-175 over Maple Swamp Branch?
It is owned by the State Highway Agency.