US 12 over Cowiche Creek
Good Condition94 years old10,931 vehicles/day
Location
| State | Washington |
| County | Yakima |
| Location | 13.7 E Jct SR 410 |
| Carries | US 12 |
| Crosses | Cowiche Creek |
| Coordinates | 46.62767, -120.57757 |
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 | Concrete |
| Design | Tee Beam |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 86.3 ft (26.3 m) |
| Deck Area | 426.1 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 10,931 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0001603A0000000 |