Howell Grade RD over Davis Canyon
Fair Condition47 years old95 vehicles/day
Location
| State | Washington |
| County | Garfield |
| Location | 1.42 Mi NW SR 12 |
| Carries | Howell Grade RD |
| Crosses | Davis Canyon |
| Coordinates | 46.45417, -117.33583 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 74.8 sq m |
| Main Spans | 1 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 95 (2020) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 080617000000000 |