SR 397 over Columbia River
Fair Condition48 years old9,651 vehicles/day
Location
| State | Washington |
| County | Benton |
| Location | 18.0 N Jct I-82 |
| Carries | SR 397 |
| Crosses | Columbia River |
| Coordinates | 46.21463, -119.10676 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stayed Girder |
| Total Length | 2503.0 ft (762.9 m) |
| Max Span | 981.0 ft (299 m) |
| Deck Width | 71.9 ft (21.9 m) |
| Deck Area | 16707.5 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 9,651 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 085555000000000 |