Nfa A484 over Troy Creek
FairObion County, Tennessee · 2.6 MI SE JCT SR21&SR184 · Structure no. 660A4840001
- Built
- 2009
- 16 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 60
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A484 over Troy Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A484 over Troy Creek in Obion County, Tennessee. It was built in 2009, so it is 16 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 60 vehicles a day, roughly 4% of them trucks, projected to reach 96 by 2041. The structure is 77 ft (23.5 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A484 over Troy Creek built?
It was built in 2009, making it 16 years old in 2025.
What condition is Nfa A484 over Troy Creek 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 March 2023.
How much traffic does Nfa A484 over Troy Creek carry?
About 60 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Nfa A484 over Troy Creek?
The structure is 77 ft (23.5 m) long with a longest span of 77 ft (23.5 m) and a deck 26 ft wide.
Who owns Nfa A484 over Troy Creek?
It is owned by the County Highway Agency.