SR 504 over Cow Creek
Good Condition35 years old647 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 7.2 E Jct SR 504 Sp |
| Carries | SR 504 |
| Crosses | Cow Creek |
| Coordinates | 46.33419, -122.46042 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 863.8 ft (263.3 m) |
| Max Span | 191.9 ft (58.5 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 2817.3 sq m |
| Main Spans | 5 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 647 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 0013672B0000000 |