SR 20 over Eaglemount Half Bridge
Good Condition70 years old5,930 vehicles/day
Location
| State | Washington |
| County | Jefferson |
| Location | 2.2 E Jct US 101 |
| Carries | SR 20 |
| Crosses | Eaglemount Half Bridge |
| Coordinates | 47.99583, -122.84611 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 18.0 ft (5.5 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 107.3 sq m |
| Main Spans | 4 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 5,930 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
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 | 0005377A0000000 |