S-21-38 over Lake Swamp
Fair Condition44 years old425 vehicles/day
Location
| State | South Carolina |
| County | Florence |
| Location | 4 Mi W Effingham |
| Carries | S-21-38 |
| Crosses | Lake Swamp |
| Coordinates | 34.02833, -79.84193 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 560.0 sq m |
| Main Spans | 6 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 425 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000007561 |