SR 401 over Naselle River Overflow
Poor Condition62 years old2,839 vehicles/day
Location
| State | Washington |
| County | Pacific |
| Location | 11.6 N Jct US 101 |
| Carries | SR 401 |
| Crosses | Naselle River Overflow |
| Coordinates | 46.36942, -123.80802 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 200.1 ft (61 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 671 sq m |
| Main Spans | 8 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 2,839 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0007360A0000000 |