US 12 / Heron ST over Wishkah River
Poor Condition77 years old14,965 vehicles/day
Location
| State | Washington |
| County | Grays Harbor |
| Location | 0.1 E Jct US 101 |
| Carries | US 12 / Heron ST |
| Crosses | Wishkah River |
| Coordinates | 46.97597, -123.81206 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 4 (Poor) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel Continuous |
| Design | Movable - Swing |
| Total Length | 234.9 ft (71.6 m) |
| Max Span | 92.8 ft (28.3 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 644.4 sq m |
| Main Spans | 2 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 14,965 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000LM0000000 |