SR 20 over Lillian CR
Fair Condition55 years old1,173 vehicles/day
Location
| State | Washington |
| County | Whatcom |
| Location | 19.8 E Skagit Co |
| Carries | SR 20 |
| Crosses | Lillian CR |
| Coordinates | 48.72201, -121.01872 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 9 — Foundation above flood level |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 402.9 ft (122.8 m) |
| Max Span | 98.1 ft (29.9 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 1326.2 sq m |
| Main Spans | 4 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 1,173 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0008963A0000000 |