Laconner Whitney R over Sullivan Slough
Fair Condition64 years old5,550 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 3.83 S Jct SR 20 |
| Carries | Laconner Whitney R |
| Crosses | Sullivan Slough |
| Coordinates | 48.39481, -122.48464 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 175.9 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 5,550 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 084170000000000 |