Nfa A678 over Zion Creek
GoodObion County, Tennessee · 5.4 MI NE JCT SR78&DYER · Structure no. 660A6780003
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 90
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A678 over Zion Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A678 over Zion Creek in Obion County, Tennessee. It was built in 2004, so it is 21 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 90 vehicles a day, roughly 4% of them trucks, projected to reach 144 by 2041. The structure is 85 ft (25.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 A678 over Zion Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is Nfa A678 over Zion Creek 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 2023.
How much traffic does Nfa A678 over Zion Creek carry?
About 90 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Nfa A678 over Zion Creek?
The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.
Who owns Nfa A678 over Zion Creek?
It is owned by the County Highway Agency.