S-4-280 over Three & Twenty Creek
Good Condition10 years old1,550 vehicles/day
Location
| State | South Carolina |
| County | Anderson |
| Location | 9.5mi NW Anderson |
| Carries | S-4-280 |
| Crosses | Three & Twenty Creek |
| Coordinates | 34.59990, -82.77209 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 603.9 sq m |
| Main Spans | 3 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 1,550 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006422 |