Nfa A386 over Overflow
PoorMadison County, Tennessee · 2.5 MI SW JCT SR138&SR223 · Structure no. 570A3860005
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 30
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A386 over Overflow is a wood or timber stringer/multi-beam or girder carrying Nfa A386 over Overflow in Madison County, Tennessee. It was built in 1968, so it is 57 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, temporary structure in place while original is closed.
It carries about 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2041. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A386 over Overflow built?
It was built in 1968, making it 57 years old in 2025.
What condition is Nfa A386 over Overflow in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.
How much traffic does Nfa A386 over Overflow carry?
About 30 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A386 over Overflow?
The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.
Who owns Nfa A386 over Overflow?
It is owned by the County Highway Agency.