YachtWay Waters / Washington / I-90 Mercer Slough
I-90 Mercer Slough
Open on the live map| Type | Fixed |
|---|---|
| Vertical clearance | 45.9 ft |
| Horizontal clearance | 18 ft |
| Carries | I-90 S-E RAMP |
| Year built | 1970 |
| Position | 47° 34.801′ N, 122° 11.342′ W |
| Clearance source | FHWA National Bridge Inventory |
YachtWay Waters: tides, bridges, inlets and marinas. Updated 5 Nov 2026. Tides: NOAA CO-OPS. Bridges: NOAA Coast Pilot, FHWA National Bridge Inventory. Marinas: YachtWay, OpenStreetMap. Built by YachtWay.