Interstate 81 over Nbl&sbl Over Stream
Fair Condition63 years old31,442 vehicles/day
Location
| State | Virginia |
| County | Smyth |
| Location | 3.4 To R107;.46 To R11 |
| Carries | Interstate 81 |
| Crosses | Nbl&sbl Over Stream |
| Coordinates | 36.80625, -81.62624 |
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 | 23.0 ft (7 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 254.1 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 31,442 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000017489 |