Nfa 1474 (sa 8430) over Overflow
GoodTipton County, Tennessee · 0.1 MI N of Fayette Co. · Structure no. 84014740001
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 242
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa 1474 (sa 8430) over Overflow is a concrete continuous culvert carrying Nfa 1474 (sa 8430) over Overflow in Tipton County, Tennessee. It was built in 1991, so it is 34 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 242 vehicles a day, roughly 3% of them trucks, projected to reach 386 by 2042. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa 1474 (sa 8430) over Overflow built?
It was built in 1991, making it 34 years old in 2025.
What condition is Nfa 1474 (sa 8430) 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 2024.
How much traffic does Nfa 1474 (sa 8430) over Overflow carry?
About 242 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Nfa 1474 (sa 8430) over Overflow?
The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.
Who owns Nfa 1474 (sa 8430) over Overflow?
It is owned by the County Highway Agency.