SR 409 over Garden Slough
Good Condition44 years old906 vehicles/day
Location
| State | Washington |
| County | Wahkiakum |
| Location | 1.6 N Ferry Dock |
| Carries | SR 409 |
| Crosses | Garden Slough |
| Coordinates | 46.17719, -123.37711 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 118.1 ft (36 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 399.6 sq m |
| Main Spans | 3 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 906 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0012242A0000000 |