SR 506 over I-5
Good Condition68 years old1,070 vehicles/day
Location
| State | Washington |
| County | Lewis |
| Location | Jct I-5 |
| Carries | SR 506 |
| Crosses | I-5 |
| Coordinates | 46.43958, -122.88888 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 176.8 ft (53.9 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 539 sq m |
| Main Spans | 4 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 1,070 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0005679A0000000 |