US 21 Bus over Steel Creek
Good Condition6 years old1,950 vehicles/day
Location
| State | South Carolina |
| County | York |
| Location | Fort Mill |
| Carries | US 21 Bus |
| Crosses | Steel Creek |
| Coordinates | 35.03626, -80.93019 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 790.6 sq m |
| Main Spans | 3 |
| Year Built | 2020 |
Traffic
| Avg Daily Traffic | 1,950 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010491 |