Marine DR over Portage Slough
Good Condition29 years old3,741 vehicles/day
Location
| State | Washington |
| County | Whatcom |
| Location | 0.06 Mi. W Ferndale |
| Carries | Marine DR |
| Crosses | Portage Slough |
| Coordinates | 48.79356, -122.60527 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 350.7 sq m |
| Main Spans | 1 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 3,741 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 086325000000000 |