SR 20 over Half Br Sta 163
Fair Condition64 years old1,696 vehicles/day
Location
| State | Washington |
| County | Whatcom |
| Location | 6.1 E Skagit Co |
| Carries | SR 20 |
| Crosses | Half Br Sta 163 |
| Coordinates | 48.69230, -121.22348 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 76.1 ft (23.2 m) |
| Deck Width | 11.8 ft (3.6 m) |
| Deck Area | 85.7 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 1,696 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0006974C0000000 |