US 12 over Cowlitz River
Fair Condition78 years old2,712 vehicles/day
Location
| State | Washington |
| County | Lewis |
| Location | 7.8 E Jct SR 131 |
| Carries | US 12 |
| Crosses | Cowlitz River |
| Coordinates | 46.53508, -121.79522 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 554.1 ft (168.9 m) |
| Max Span | 240.2 ft (73.2 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 1705.9 sq m |
| Main Spans | 1 |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 2,712 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0003348A0000000 |