US 12 over Nine Mile CR & Rr
Poor Condition93 years old8,140 vehicles/day
Location
| State | Washington |
| County | Walla Walla |
| Location | 6.5 E Jct US 730 Spur |
| Carries | US 12 |
| Crosses | Nine Mile CR & Rr |
| Coordinates | 46.07158, -118.78192 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 212.9 ft (64.9 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 694.4 sq m |
| Main Spans | 6 |
| Year Built | 1933 (reconstructed 1988) |
Traffic
| Avg Daily Traffic | 8,140 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0001724B0000000 |