Nfa A356 over Garrison Creek
GoodWilliamson County, Tennessee · 6.8 MI NW JCT SR246&MAURY · Structure no. 940A3560001
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 70
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A356 over Garrison Creek is a concrete continuous culvert carrying Nfa A356 over Garrison Creek in Williamson County, Tennessee. It was built in 1978, so it is 47 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2041. The structure is 27 ft (8.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A356 over Garrison Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Nfa A356 over Garrison 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 June 2023.
How much traffic does Nfa A356 over Garrison Creek carry?
About 70 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A356 over Garrison Creek?
The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.
Who owns Nfa A356 over Garrison Creek?
It is owned by the County Highway Agency.