Nfa A431 over Overflow
GoodObion County, Tennessee · 2.5 MI E JCT SR5&SR21 · Structure no. 660A4310001
- Built
- 1970
- 55 years old, rebuilt 2010
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 170
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A431 over Overflow is a prestressed concrete box beam or girders - multiple carrying Nfa A431 over Overflow in Obion County, Tennessee. It was built in 1970 and reconstructed in 2010, 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 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 170 vehicles a day, roughly 4% of them trucks, projected to reach 272 by 2041. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A431 over Overflow built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.
What condition is Nfa A431 over Overflow 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 March 2023.
How much traffic does Nfa A431 over Overflow carry?
About 170 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Nfa A431 over Overflow?
The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.
Who owns Nfa A431 over Overflow?
It is owned by the County Highway Agency.