SR 4 over Deep River
Good Condition36 years old1,509 vehicles/day
Location
| State | Washington |
| County | Wahkiakum |
| Location | 6.0 E Jct SR 401 |
| Carries | SR 4 |
| Crosses | Deep River |
| Coordinates | 46.33556, -123.70250 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1388.1 ft (423.1 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 5034.9 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 1,509 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 422 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0013358A0000000 |