SR 20 over Half Br Sta 155
Fair Condition126 years old1,696 vehicles/day
Location
| State | Washington |
| County | Whatcom |
| Location | 5.9 E Skagit Co |
| Carries | SR 20 |
| Crosses | Half Br Sta 155 |
| Coordinates | 48.69081, -121.22578 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 62.7 ft (19.1 m) |
| Max Span | 58.4 ft (17.8 m) |
| Deck Width | 19.7 ft (6 m) |
| Deck Area | 114.6 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 1962) |
Traffic
| Avg Daily Traffic | 1,696 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
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 | 0006974A0000000 |