SR 21 over Black Creek
Good Condition79 years old39,500 vehicles/day
Location
| State | Georgia |
| County | Chatham |
| Location | 3 Mi N Of Port Wentworth |
| Carries | SR 21 |
| Crosses | Black Creek |
| Coordinates | 32.21786, -81.19756 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 122.9 sq m |
| Main Spans | 2 |
| Year Built | 1947 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 39,500 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000005100360 |