Nfa 4718 over Branch
GoodUnicoi County, Tennessee · Btwn Old & New SR36-ERWIN · Structure no. 860A0010003
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 488
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa 4718 over Branch is a concrete continuous culvert carrying Nfa 4718 over Branch in Unicoi County, Tennessee. It was built in 1976, so it is 49 years old, older 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 488 vehicles a day, roughly 3% of them trucks, projected to reach 781 by 2042. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa 4718 over Branch built?
It was built in 1976, making it 49 years old in 2025.
What condition is Nfa 4718 over Branch 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 July 2024.
How much traffic does Nfa 4718 over Branch carry?
About 488 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Nfa 4718 over Branch?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3.1 m) and a deck 38 ft wide.
Who owns Nfa 4718 over Branch?
It is owned by the County Highway Agency.