I-20 WB over Sparrow Swamp
Fair Condition54 years old14,300 vehicles/day
Location
| State | South Carolina |
| County | Darlington |
| Location | 2mi N Of Lamar |
| Carries | I-20 WB |
| Crosses | Sparrow Swamp |
| Coordinates | 34.20315, -80.06086 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 240.2 ft (73.2 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 1229.8 sq m |
| Main Spans | 8 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 14,300 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006075 |