SR 397 over Harpeth River
Good Condition4 years old19,868 vehicles/day
Location
| State | Tennessee |
| County | Williamson |
| Location | 0.1 M W Jct Sr397&us431 |
| Carries | SR 397 |
| Crosses | Harpeth River |
| Coordinates | 35.94453, -86.88306 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 2785.1 ft (848.9 m) |
| Max Span | 240.2 ft (73.2 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 11205.5 sq m |
| Main Spans | 6 |
| Year Built | 2022 |
Traffic
| Avg Daily Traffic | 19,868 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 94SR3970019 |