SR 155 over Columbia River
Fair Condition91 years old4,923 vehicles/day
Location
| State | Washington |
| County | Douglas |
| Location | 0.2 N Grant Co |
| Carries | SR 155 |
| Crosses | Columbia River |
| Coordinates | 47.96539, -118.98233 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Thru |
| Total Length | 1088.9 ft (331.9 m) |
| Max Span | 549.9 ft (167.6 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 2223.7 sq m |
| Main Spans | 3 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 4,923 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000JJ0000000 |