Nfa A557 over Middle Fork Obion River
GoodHenry County, Tennessee · 6 MI NW of Henry · Structure no. 400A5570001
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 114 ft
- 3 main spans
- Daily traffic
- 90
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A557 over Middle Fork Obion River is a prestressed concrete box beam or girders - multiple carrying Nfa A557 over Middle Fork Obion River in Henry County, Tennessee. It was built in 1988, so it is 37 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 2% of them trucks, projected to reach 144 by 2042. The structure is 114 ft (34.7 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 7 Good | Some minor problems. |
| 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 A557 over Middle Fork Obion River built?
It was built in 1988, making it 37 years old in 2025.
What condition is Nfa A557 over Middle Fork Obion River 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 October 2023.
How much traffic does Nfa A557 over Middle Fork Obion River carry?
About 90 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A557 over Middle Fork Obion River?
The structure is 114 ft (34.7 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.
Who owns Nfa A557 over Middle Fork Obion River?
It is owned by the County Highway Agency.