I-705 over Chehalis Western Rr
Good Condition38 years old15,025 vehicles/day
Location
| State | Washington |
| County | Pierce |
| Location | Jct I-5 & SR 7 |
| Carries | I-705 |
| Crosses | Chehalis Western Rr |
| Coordinates | 47.23500, -122.43167 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 1451.1 ft (442.3 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 5396.1 sq m |
| Main Spans | 11 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 15,025 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0012992A0000000 |