Nfa A509 over Powder Mill Branch
GoodMonroe County, Tennessee · Just SW of SR39-SR315 JCT · Structure no. 620A5090001
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 30
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A509 over Powder Mill Branch is a concrete continuous culvert carrying Nfa A509 over Powder Mill Branch in Monroe County, Tennessee. It was built in 2008, so it is 17 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2040. The structure is 29 ft (8.8 m) long. 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A509 over Powder Mill Branch built?
It was built in 2008, making it 17 years old in 2025.
What condition is Nfa A509 over Powder Mill 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 A509 over Powder Mill Branch carry?
About 30 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A509 over Powder Mill Branch?
The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.6 m).
Who owns Nfa A509 over Powder Mill Branch?
It is owned by the County Highway Agency.