Ross Island Bridge
Fixed · FixedRoss Island Bridge is a fixed bridge with 120 ft of vertical clearance, measured to a local datum.
Clearances are from NOAA chart US5PDXEW, measured to a local datum. Actual clearance is lower whenever the water stands above that level. Always confirm against your vessel's air draft and the posted clearance gauge before transiting.
Pathr nautical charts
Ross Island Bridge on the chart
Find the bridge and its charted vertical clearance in one view. Select a pin to compare nearby bridges, see open and closed clearances where charted, and open its operating details.
Frequently asked
What is the clearance under Ross Island Bridge?+
Ross Island Bridge is a fixed bridge with 120 ft of vertical clearance, measured to a local datum. These figures are from NOAA chart data. Real clearance drops whenever the water stands above the level they are measured to, so leave a margin for your air draft.
Tides & conditions at this crossing
Clearance under Ross Island Bridge shrinks as the water rises. Check the water level and marine conditions at the nearest NOAA station, Portland Morrison Street Bridge (1 mi away).
