Nfa A450 over Carter Branch
GoodMacon County, Tennessee · 5.5 M SW of Lafayette · Structure no. 560A4500003
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 36 ft
- 2 main spans
- Daily traffic
- 190
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A450 over Carter Branch is a concrete continuous culvert carrying Nfa A450 over Carter Branch in Macon County, Tennessee. It was built in 1983, so it is 42 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 190 vehicles a day, roughly 4% of them trucks, projected to reach 304 by 2042. The structure is 36 ft (11 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A450 over Carter Branch built?
It was built in 1983, making it 42 years old in 2025.
What condition is Nfa A450 over Carter 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 September 2023.
How much traffic does Nfa A450 over Carter Branch carry?
About 190 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Nfa A450 over Carter Branch?
The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.
Who owns Nfa A450 over Carter Branch?
It is owned by the County Highway Agency.