Nfa K638 over Overflow
FairShelby County, Tennessee · Ricks RD - Shelby CO · Structure no. 790A1940003
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 80
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa K638 over Overflow is a concrete continuous culvert carrying Nfa K638 over Overflow in Shelby County, Tennessee. It was built in 1987, so it is 38 years old, younger 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2041. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
No coordinates are recorded for this structure.
Condition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa K638 over Overflow built?
It was built in 1987, making it 38 years old in 2025.
What condition is Nfa K638 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 May 2023.
How much traffic does Nfa K638 over Overflow carry?
About 80 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa K638 over Overflow?
The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.
Who owns Nfa K638 over Overflow?
It is owned by the County Highway Agency.