Donald Ross Bridge
Bascule spanDonald Ross Bridge has 35 ft of vertical clearance under its bascule span when closed, measured to mean high water.
Clearances are from NOAA chart US5FL6DN, measured to mean high water. Actual clearance is lower whenever the water stands above that level, as at higher tides and in storm surge. Always confirm against your vessel's air draft and the posted clearance gauge before transiting.
Pathr nautical charts
Donald Ross 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 Donald Ross Bridge?+
Donald Ross Bridge has 35 ft of vertical clearance under its bascule span when closed, measured to mean high water. 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 Donald Ross Bridge shrinks as the water rises. Check the water level and marine conditions at the nearest NOAA station, Donald Ross Bridge, ICWW (0 mi away).

