Nfa A170 over Overflow
FairFayette County, Tennessee · 1.0 MI NW JCT SR57&SR76 · Structure no. 240A1700009
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 213 ft
- 4 main spans
- Daily traffic
- 564
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A170 over Overflow is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A170 over Overflow in Fayette County, Tennessee. It was built in 1998, so it is 27 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 564 vehicles a day, roughly 3% of them trucks, projected to reach 912 by 2040. The structure is 213 ft (65 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 A170 over Overflow built?
It was built in 1998, making it 27 years old in 2025.
What condition is Nfa A170 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 September 2024.
How much traffic does Nfa A170 over Overflow carry?
About 564 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Nfa A170 over Overflow?
The structure is 213 ft (65 m) long with a longest span of 53 ft (16.3 m) and a deck 30 ft wide.
Who owns Nfa A170 over Overflow?
It is owned by the County Highway Agency.