S-15-346 over Black Creek
FairColleton County, South Carolina · 6.1 MI W Waltb · Structure no. 000000000004731
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected March 2025
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 125
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-15-346 over Black Creek is a concrete slab carrying S-15-346 over Black Creek in Colleton County, South Carolina. It was built in 1966, so it is 59 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 174 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-15-346 over Black Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is S-15-346 over Black Creek 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 March 2025.
How much traffic does S-15-346 over Black Creek carry?
About 125 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is S-15-346 over Black Creek?
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-15-346 over Black Creek?
It is owned by the State Highway Agency.