SR 401 over Naselle R Overflow
Good Condition62 years old2,839 vehicles/day
Location
| State | Washington |
| County | Pacific |
| Location | 12.0 N Jct US 101 |
| Carries | SR 401 |
| Crosses | Naselle R Overflow |
| Coordinates | 46.37361, -123.80361 |
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 | Concrete Continuous |
| Design | Slab |
| Total Length | 101.0 ft (30.8 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 391.2 sq m |
| Main Spans | 4 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 2,839 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 822 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0007360B0000000 |