I-5 over Allen ST / SR 4
Good Condition45 years old23,283 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | Jct SR 4 |
| Carries | I-5 |
| Crosses | Allen ST / SR 4 |
| Coordinates | 46.14453, -122.89742 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 131.9 ft (40.2 m) |
| Max Span | 127.0 ft (38.7 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 675.4 sq m |
| Main Spans | 1 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 23,283 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0010902D0000000 |