S-20-99 over Rocky Creek
PoorPosted for loadFairfield County, South Carolina · 17MI NW Winnsboro · Structure no. 000000000003268
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 75 ft
- 5 main spans
- Daily traffic
- 100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-20-99 over Rocky Creek is a concrete slab carrying S-20-99 over Rocky Creek in Fairfield County, South Carolina. It was built in 1960, so it is 65 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 146 by 2043. The structure is 75 ft (22.9 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-20-99 over Rocky Creek built?
It was built in 1960, making it 65 years old in 2025.
What condition is S-20-99 over Rocky Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does S-20-99 over Rocky Creek carry?
About 100 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is S-20-99 over Rocky Creek?
The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-20-99 over Rocky Creek?
It is owned by the State Highway Agency.