US 1 over Congaree River
Fair Condition99 years old26,600 vehicles/day
Location
| State | South Carolina |
| County | Richland |
| Location | City Of Columbia |
| Carries | US 1 |
| Crosses | Congaree River |
| Coordinates | 33.99580, -81.05094 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 1339.2 ft (408.2 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 4735.1 sq m |
| Main Spans | 11 |
| Year Built | 1927 |
Traffic
| Avg Daily Traffic | 26,600 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000000258 |