Sarah Mildred Long Bridge
Lift drawbridgeSarah Mildred Long Bridge is a lift drawbridge with 16 ft of clearance closed, measured to mean high water. Open, it is charted at 135 ft.
Clearances are from NOAA chart US5PSMCC, 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
Sarah Mildred Long 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.
How to request an opening
We don't have this bridge's operating rule yet. Many drawbridges open on a schedule or need advance notice. Check 33 CFR 117 for New Hampshire or call the tender before you plan around it.
Frequently asked
What is the clearance under Sarah Mildred Long Bridge?+
Sarah Mildred Long Bridge is a lift drawbridge with 16 ft of clearance closed, measured to mean high water. Open, it is charted at 135 ft. 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.
How do I get Sarah Mildred Long Bridge to open?+
Contact the bridge tender on VHF-FM, or sound the required signal. We don't have this bridge's operating rule yet. Many drawbridges open on a schedule or need advance notice. Check 33 CFR 117 for New Hampshire or call the tender before you plan around it.
Tides & conditions at this crossing
Clearance under Sarah Mildred Long Bridge shrinks as the water rises. Check the water level and marine conditions at the nearest NOAA station, Atlantic Heights (0 mi away).
