US 21 SB over Beaufort River
Poor Condition47 years old14,400 vehicles/day
Location
| State | South Carolina |
| County | Beaufort |
| Location | Southeast Of Beaufort |
| Carries | US 21 SB |
| Crosses | Beaufort River |
| Coordinates | 32.39392, -80.67539 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 4210.0 ft (1283.2 m) |
| Max Span | 169.9 ft (51.8 m) |
| Deck Width | 39.4 ft (12 m) |
| Deck Area | 15398.4 sq m |
| Main Spans | 15 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 14,400 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007425 |