Allison Gap RD over NF Holston River
FairSmyth County, Virginia · 0.55 91 & 0.45 Ncl Salt · Structure no. 000000000022610
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 187 ft
- 2 main spans
- Daily traffic
- 2,200
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Allison Gap RD over NF Holston River is a steel stringer/multi-beam or girder carrying Allison Gap RD over NF Holston River in Smyth County, Virginia. It was built in 1993, so it is 32 years old, younger than the Virginia average of 50.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,200 vehicles a day, roughly 1% of them trucks, projected to reach 2,834 by 2040. The structure is 187 ft (56.9 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allison Gap RD over NF Holston River built?
It was built in 1993, making it 32 years old in 2025.
What condition is Allison Gap RD over NF Holston River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.
How much traffic does Allison Gap RD over NF Holston River carry?
About 2,200 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Allison Gap RD over NF Holston River?
The structure is 187 ft (56.9 m) long with a longest span of 92 ft (28.1 m) and a deck 33 ft wide.
Who owns Allison Gap RD over NF Holston River?
It is owned by the Town or Township Highway Agency.