I-5 over Kalama River
Good Condition56 years old37,279 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 10.8 N Jct SR 503 |
| Carries | I-5 |
| Crosses | Kalama River |
| Coordinates | 46.03467, -122.85717 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 480.0 ft (146.3 m) |
| Max Span | 200.1 ft (61 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 2633.4 sq m |
| Main Spans | 4 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 37,279 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008759D0000000 |