Birch Bay-lynden R over I-5
Fair Condition65 years old10,381 vehicles/day
Location
| State | Washington |
| County | Whatcom |
| Location | 4.3 N Jct SR 548 |
| Carries | Birch Bay-lynden R |
| Crosses | I-5 |
| Coordinates | 48.93533, -122.66256 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 272.0 ft (82.9 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 837.3 sq m |
| Main Spans | 5 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 10,381 (2012) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0006926C0000000 |