S-15-163 over Unnamed Stream
FairColleton County, South Carolina · 16.5 MI S Walterboro · Structure no. 000000000005697
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-15-163 over Unnamed Stream is a concrete slab carrying S-15-163 over Unnamed Stream in Colleton County, South Carolina. It was built in 1970, so it is 55 years old, older 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 384 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-15-163 over Unnamed Stream built?
It was built in 1970, making it 55 years old in 2025.
What condition is S-15-163 over Unnamed Stream 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 January 2025.
How much traffic does S-15-163 over Unnamed Stream carry?
About 300 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-15-163 over Unnamed Stream?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-15-163 over Unnamed Stream?
It is owned by the State Highway Agency.