I-85 SB over Three & Twenty Creek
Fair Condition64 years old25,150 vehicles/day
Location
| State | South Carolina |
| County | Anderson |
| Location | 8.9mi NW Of Anderson |
| Carries | I-85 SB |
| Crosses | Three & Twenty Creek |
| Coordinates | 34.55187, -82.79342 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 700.1 ft (213.4 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 2795.5 sq m |
| Main Spans | 9 |
| Year Built | 1962 (reconstructed 1975) |
Traffic
| Avg Daily Traffic | 25,150 (2023) |
| Truck Traffic | 22% |
| 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 | 000000000003787 |