Birch Bay Lynden over Bertrand CR
Fair Condition77 years old8,369 vehicles/day
Location
| State | Washington |
| County | Whatcom |
| Location | 00.3 W.rathbone Rd. |
| Carries | Birch Bay Lynden |
| Crosses | Bertrand CR |
| Coordinates | 48.94833, -122.53333 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 83.0 ft (25.3 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 207.5 sq m |
| Main Spans | 4 |
| Year Built | 1949 (reconstructed 1982) |
Traffic
| Avg Daily Traffic | 8,369 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 082977000000000 |