S-12-521 over Susybole Creek
FairChester County, South Carolina · 10.2MI NW Chester · Structure no. 000000000005488
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete
- Length
- 90 ft
- 6 main spans
- Daily traffic
- 25
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-12-521 over Susybole Creek is a concrete slab carrying S-12-521 over Susybole Creek in Chester County, South Carolina. It was built in 1969, so it is 56 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 25 vehicles a day, projected to reach 35 by 2043. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-12-521 over Susybole Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is S-12-521 over Susybole 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 January 2025.
How much traffic does S-12-521 over Susybole Creek carry?
About 25 vehicles per day (2023 count).
How long is S-12-521 over Susybole Creek?
The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.
Who owns S-12-521 over Susybole Creek?
It is owned by the State Highway Agency.