SR 4 over Terrain Flood Plain
Fair Condition88 years old1,152 vehicles/day
Location
| State | Washington |
| County | Wahkiakum |
| Location | 14.6 E Jct SR 401 |
| Carries | SR 4 |
| Crosses | Terrain Flood Plain |
| Coordinates | 46.35872, -123.56553 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 154.9 ft (47.2 m) |
| Max Span | 17.1 ft (5.2 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 439.0 sq m |
| Main Spans | 9 |
| Year Built | 1938 |
Traffic
| Avg Daily Traffic | 1,152 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0002331B0000000 |