I-5 over Coweeman River
Fair Condition46 years old28,940 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 2.4 N Jct SR 432 |
| Carries | I-5 |
| Crosses | Coweeman River |
| Coordinates | 46.13675, -122.89839 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 494.1 ft (150.6 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 2530.1 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 28,940 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0010902C0000000 |