River Ridge RD 664 over Big Run
Fair Condition36 years old376 vehicles/day
Location
| State | Virginia |
| County | Floyd |
| Location | 0.05 RT 221; 1.25 RT 639 |
| Carries | River Ridge RD 664 |
| Crosses | Big Run |
| Coordinates | 36.99863, -80.17909 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 173.4 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 376 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007571 |