S-4-577 over Big Creek
Fair Condition62 years old1,750 vehicles/day
Location
| State | South Carolina |
| County | Anderson |
| Location | Town Of Williamston |
| Carries | S-4-577 |
| Crosses | Big Creek |
| Coordinates | 34.62706, -82.48630 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 75.1 ft (22.9 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 192.4 sq m |
| Main Spans | 5 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 1,750 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004255 |