Rock Ridge RD 640 over South Prong
Good Condition39 years old177 vehicles/day
Location
| State | Virginia |
| County | Franklin |
| Location | 0.80 RT 751; 0.20 RT 602 |
| Carries | Rock Ridge RD 640 |
| Crosses | South Prong |
| Coordinates | 36.97113, -80.05434 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 68.6 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 177 (2017) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007865 |