Dobyns Rd. Rt.631 over South Mayo River
Fair Condition42 years old411 vehicles/day
Location
| State | Virginia |
| County | Patrick |
| Location | 00.40 RT 644;00.15 RT 643 |
| Carries | Dobyns Rd. Rt.631 |
| Crosses | South Mayo River |
| Coordinates | 36.63972, -80.33092 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Area | 66.4 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 411 (2022) |
| Truck Traffic | 1% |
| 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 | 000000000013291 |