HWY 105 over Old Youngs Bay
Poor Condition105 years old7,781 vehicles/day
Location
| State | Oregon |
| County | Clatsop |
| Location | 002 Mi S Astoria |
| Carries | HWY 105 |
| Crosses | Old Youngs Bay |
| Coordinates | 46.16884, -123.83811 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 1845.1 ft (562.4 m) |
| Max Span | 166.3 ft (50.7 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 5736.5 sq m |
| Main Spans | 1 |
| Year Built | 1921 (reconstructed 1933) |
Traffic
| Avg Daily Traffic | 7,781 (2022) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 00330 105 00689 |