SR 411 over Cowlitz River
Poor Condition63 years old6,753 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 12.4 N Jct SR 432 |
| Carries | SR 411 |
| Crosses | Cowlitz River |
| Coordinates | 46.27505, -122.91461 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 483.9 ft (147.5 m) |
| Max Span | 129.9 ft (39.6 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 1,534 sq m |
| Main Spans | 5 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 6,753 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 081062000000000 |