Cape Horn Road over Alder Creek
Fair Condition54 years old227 vehicles/day
Location
| State | Washington |
| County | Skagit |
| Location | 0.75 E Jct SR 20 |
| Carries | Cape Horn Road |
| Crosses | Alder Creek |
| Coordinates | 48.52073, -121.95257 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 113.8 sq m |
| Main Spans | 1 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 227 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 082345000000000 |