Interstate 81 Sbl over Mulberry Lane (rt 686)
Good Condition6 years old15,284 vehicles/day
Location
| State | Virginia |
| County | Smyth |
| Location | 3.3 -exit 54;0.6 -exit 50 |
| Carries | Interstate 81 Sbl |
| Crosses | Mulberry Lane (rt 686) |
| Coordinates | 36.86476, -81.42308 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 163.1 ft (49.7 m) |
| Max Span | 161.7 ft (49.3 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 690.8 sq m |
| Main Spans | 1 |
| Year Built | 2020 |
Traffic
| Avg Daily Traffic | 15,284 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000030970 |