I-5 over Cowlitz River
Poor Condition73 years old21,828 vehicles/day
Location
| State | Washington |
| County | Lewis |
| Location | 2.0 N Cowlitz Co |
| Carries | I-5 |
| Crosses | Cowlitz River |
| Coordinates | 46.41287, -122.89000 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 759.8 ft (231.6 m) |
| Max Span | 240.2 ft (73.2 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 2362.3 sq m |
| Main Spans | 2 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 21,828 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0004367B0000000 |