S-4-29 over Three & Twenty Creek
Fair Condition57 years old5,000 vehicles/day
Location
| State | South Carolina |
| County | Anderson |
| Location | 10.2mi NW Anderson |
| Carries | S-4-29 |
| Crosses | Three & Twenty Creek |
| Coordinates | 34.62740, -82.74636 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 200.1 ft (61 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 622.2 sq m |
| Main Spans | 6 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 5,000 (2023) |
| Truck Traffic | 5% |
| 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 | 000000000005460 |