Interstate 81 Nbl over RTE 686/MULBERRY LN
GoodSmyth County, Virginia · 3.68 to R11 & 3.37 to 683 · Structure no. 000000000030971
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 163 ft
- 1 main span
- Daily traffic
- 15,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 81 Nbl over RTE 686/MULBERRY LN is a steel stringer/multi-beam or girder carrying Interstate 81 Nbl over RTE 686/MULBERRY LN in Smyth County, Virginia. It was built in 2020, so it is 5 years old, younger than the Virginia average of 50.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 15,800 vehicles a day, roughly 1% of them trucks, projected to reach 17,617 by 2042. The structure is 163 ft (49.7 m) long and 67 ft wide. If it were closed, the detour would be 4.3 mi (7 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 81 Nbl over RTE 686/MULBERRY LN built?
It was built in 2020, making it 5 years old in 2025.
What condition is Interstate 81 Nbl over RTE 686/MULBERRY LN in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Interstate 81 Nbl over RTE 686/MULBERRY LN carry?
About 15,800 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Interstate 81 Nbl over RTE 686/MULBERRY LN?
The structure is 163 ft (49.7 m) long with a longest span of 162 ft (49.3 m) and a deck 67 ft wide.
Who owns Interstate 81 Nbl over RTE 686/MULBERRY LN?
It is owned by the State Highway Agency.