PORTS®: 8664753 Don Holt Bridge Air Gap, SC

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For information on missing data, go to the PORTS Station Status or call (301) 713-2540.
DISCLAIMER: Air gap systems were created by NOAA/NOS to provide the maritime community with improved information of bridge clearances at a designated reference point on each bridge. These real-time data are accurate to within ±1 inch. They are released for limited public use as preliminary data that has undergone a limited amount of quality control to be used only with appropriate caution when clearing the bridge. For more detailed information about installation and data dissemination parameters for specific air gap systems, please visit this page.

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