Interstate 81 Nbl over Route 690
Fair Condition63 years old14,838 vehicles/day
Location
| State | Virginia |
| County | Smyth |
| Location | 1.77 To R11&4.28 To R683 |
| Carries | Interstate 81 Nbl |
| Crosses | Route 690 |
| Coordinates | 36.85849, -81.45595 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 153.2 ft (46.7 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 625.8 sq m |
| Main Spans | 3 |
| Year Built | 1963 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 14,838 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000017442 |