US 12 over Mcnary Pool
Good Condition22 years old7,405 vehicles/day
Location
| State | Washington |
| County | Walla Walla |
| Location | 4.4 E Jct SR 124 |
| Carries | US 12 |
| Crosses | Mcnary Pool |
| Coordinates | 46.16437, -118.94828 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 87.9 ft (26.8 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 85.6 ft (26.1 m) |
| Deck Area | 699.5 sq m |
| Main Spans | 1 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 7,405 (2023) |
| Truck Traffic | 20% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0016449A0000000 |