Nfa A643 over Branch
GoodFranklin County, Tennessee · East of US64 · Structure no. 260A6430001
- Built
- 1961
- 64 years old, rebuilt 1999
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 32 ft
- 1 main span
- Daily traffic
- 50
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A643 over Branch is a steel stringer/multi-beam or girder carrying Nfa A643 over Branch in Franklin County, Tennessee. It was built in 1961 and reconstructed in 1999, so it is 64 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2041. The structure is 32 ft (9.7 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 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 A643 over Branch built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1999.
What condition is Nfa A643 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 August 2023.
How much traffic does Nfa A643 over Branch carry?
About 50 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A643 over Branch?
The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.7 m) and a deck 24 ft wide.
Who owns Nfa A643 over Branch?
It is owned by the County Highway Agency.