King Grade over Tucannon River
Poor Condition52 years old25 vehicles/day
Location
| State | Washington |
| County | Columbia |
| Location | 00.20 Mi S CR 9233 |
| Carries | King Grade |
| Crosses | Tucannon River |
| Coordinates | 46.45474, -117.82139 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 79.1 ft (24.1 m) |
| Max Span | 39.7 ft (12.1 m) |
| Deck Width | 16.4 ft (5 m) |
| Deck Area | 120.5 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 25 (2019) |
| Truck Traffic | 20% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 080875000000000 |