Nfa A170 over Overflow
FairPosted for loadFayette County, Tennessee · 1.2 MI NW JCT SR57&SR76 · Structure no. 240A1700005
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected September 2024
- Type
- Channel Beam
- Concrete
- Length
- 76 ft
- 4 main spans
- Daily traffic
- 564
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A170 over Overflow is a concrete channel beam carrying Nfa A170 over Overflow in Fayette County, Tennessee. It was built in 1965, so it is 60 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 564 vehicles a day, roughly 3% of them trucks, projected to reach 960 by 2041. The structure is 76 ft (23.2 m) long and 25 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 1965, making it 60 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 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.
Who owns Nfa A170 over Overflow?
It is owned by the County Highway Agency.