Nfa A859 over Holston River
GoodSullivan County, Tennessee · Just W of S. Holston Dam · Structure no. 820A8590001
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 420 ft
- 5 main spans
- Daily traffic
- 400
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A859 over Holston River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A859 over Holston River in Sullivan County, Tennessee. It was built in 1992, so it is 33 years old, younger than the Tennessee average of 47.4 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 400 vehicles a day, roughly 2% of them trucks, projected to reach 640 by 2042. The structure is 420 ft (128 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A859 over Holston River built?
It was built in 1992, making it 33 years old in 2025.
What condition is Nfa A859 over Holston River 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 February 2024.
How much traffic does Nfa A859 over Holston River carry?
About 400 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A859 over Holston River?
The structure is 420 ft (128 m) long with a longest span of 81 ft (24.6 m) and a deck 26 ft wide.
Who owns Nfa A859 over Holston River?
It is owned by the County Highway Agency.