SR 122 over Cowlitz River
Good Condition65 years old796 vehicles/day
Location
| State | Washington |
| County | Lewis |
| Location | 6.6 E Jct US 12 |
| Carries | SR 122 |
| Crosses | Cowlitz River |
| Coordinates | 46.55048, -122.49317 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 305.1 ft (93 m) |
| Max Span | 123.4 ft (37.6 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 790.5 sq m |
| Main Spans | 1 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 796 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 079693000000000 |