S-4-933 over Three & Twenty Creek
FairAnderson County, South Carolina · 9.7MI NW Anderson · Structure no. 000000000000107
- Built
- 1920
- 105 years old, rebuilt 1972
- Condition
- Fair
- inspected December 2024
- Type
- Arch - Deck
- Concrete
- Length
- 160 ft
- 4 main spans
- Daily traffic
- 1,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-4-933 over Three & Twenty Creek is a concrete arch - deck carrying S-4-933 over Three & Twenty Creek in Anderson County, South Carolina. It was built in 1920 and reconstructed in 1972, so it is 105 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 1,750 vehicles a day, roughly 5% of them trucks, projected to reach 2,240 by 2043. The structure is 160 ft (48.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-4-933 over Three & Twenty Creek built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1972.
What condition is S-4-933 over Three & Twenty 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 December 2024.
How much traffic does S-4-933 over Three & Twenty Creek carry?
About 1,750 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-4-933 over Three & Twenty Creek?
The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.
Who owns S-4-933 over Three & Twenty Creek?
It is owned by the State Highway Agency.