Nfa 5666 over Hof Dr. / SR158 Tunnel
GoodKnox County, Tennessee · .3 M W of SR33 · Structure no. 47SR1580061
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected January 2024
- Type
- Arch - Deck
- Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 12,198
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Nfa 5666 over Hof Dr. / SR158 Tunnel is a concrete arch - deck carrying Nfa 5666 over Hof Dr. / SR158 Tunnel in Knox County, Tennessee. It was built in 2006, so it is 19 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 12,198 vehicles a day, roughly 6% of them trucks, projected to reach 20,074 by 2042. The structure is 42 ft (12.8 m) long and 198 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa 5666 over Hof Dr. / SR158 Tunnel built?
It was built in 2006, making it 19 years old in 2025.
What condition is Nfa 5666 over Hof Dr. / SR158 Tunnel 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 January 2024.
How much traffic does Nfa 5666 over Hof Dr. / SR158 Tunnel carry?
About 12,198 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Nfa 5666 over Hof Dr. / SR158 Tunnel?
The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 198 ft wide.
Who owns Nfa 5666 over Hof Dr. / SR158 Tunnel?
It is owned by the State Highway Agency.