Nfa A364 over Overflow
PoorMadison County, Tennessee · 1.3 MI N JCT SR18&HAEDEMA · Structure no. 570A3640001
- Built
- 1945
- 80 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 10
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A364 over Overflow is a wood or timber stringer/multi-beam or girder carrying Nfa A364 over Overflow in Madison County, Tennessee. It was built in 1945, so it is 80 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 10 vehicles a day, roughly 20% of them trucks, projected to reach 16 by 2041. The structure is 37 ft (11.3 m) long and 16 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A364 over Overflow built?
It was built in 1945, making it 80 years old in 2025.
What condition is Nfa A364 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 A364 over Overflow carry?
About 10 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Nfa A364 over Overflow?
The structure is 37 ft (11.3 m) long with a longest span of 19 ft (5.8 m) and a deck 16 ft wide.
Who owns Nfa A364 over Overflow?
It is owned by the County Highway Agency.