SR 397 over Harpeth River
GoodWilliamson County, Tennessee · 0.1 M W JCT SR397&US431 · Structure no. 94SR3970019
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,785 ft
- 6 main spans
- Daily traffic
- 19,868
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 397 over Harpeth River is a steel continuous stringer/multi-beam or girder carrying SR 397 over Harpeth River in Williamson County, Tennessee. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 19,868 vehicles a day, roughly 9% of them trucks, projected to reach 31,789 by 2041. The structure is 2,785 ft (848.9 m) long and 43 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 397 over Harpeth River built?
It was built in 2022, making it 3 years old in 2025.
What condition is SR 397 over Harpeth 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 June 2024.
How much traffic does SR 397 over Harpeth River carry?
About 19,868 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is SR 397 over Harpeth River?
The structure is 2,785 ft (848.9 m) long with a longest span of 240 ft (73.2 m) and a deck 43 ft wide.
Who owns SR 397 over Harpeth River?
It is owned by the State Highway Agency.