I-5 over Coweeman River
Fair Condition47 years old28,940 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 1.4 N Jct SR 432 |
| Carries | I-5 |
| Crosses | Coweeman River |
| Coordinates | 46.12441, -122.89169 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 491.1 ft (149.7 m) |
| Max Span | 146.0 ft (44.5 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 2515.0 sq m |
| Main Spans | 4 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 28,940 (2023) |
| Truck Traffic | 21% |
| 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 | 0010750B0000000 |