Nfa A406 over Overflow
FairCoffee County, Tennessee · 2.1 MI from SR 2 · Structure no. 160A4060003
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 150
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nfa A406 over Overflow is a steel continuous stringer/multi-beam or girder carrying Nfa A406 over Overflow in Coffee County, Tennessee. It was built in 1970, so it is 55 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2040. The structure is 31 ft (9.6 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A406 over Overflow built?
It was built in 1970, making it 55 years old in 2025.
What condition is Nfa A406 over Overflow in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does Nfa A406 over Overflow carry?
About 150 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A406 over Overflow?
The structure is 31 ft (9.6 m) long with a longest span of 16 ft (5 m) and a deck 24 ft wide.
Who owns Nfa A406 over Overflow?
It is owned by the City or Municipal Highway Agency.