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Old 18-11-2010, 05:36   #1
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Bridge Clearance of 'Seven Mile Bridge' (South of Boot Key) ?

Can someone who has first hand knowledge confirm the clearance of the Seven Mile Bridge South of Boot Key. Is it 65' as some of my charts & show or is it 63' as other of my charts show? I am 63' + mast top rigging.
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Old 18-11-2010, 07:15   #2
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65'...I crossed under it in July and the gauge at the base showed 66' at low tide.
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Old 18-11-2010, 08:51   #3
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The issue is that bridge heights are listed as the MINIMUM clearance at high water and the meaning of high water varies from state to state and even bridge to bridge. The NOAA chart says 65' but multiple sources show 63'

The safe thing to do is to approach at low tide. We show a number of anchorages around the area there if you have to wait.

It is entirely possible that the bridge has 63' of clearance at times and yet some people experience 66' at other times. It's also quite probable that the NOAA charts are wrong - I've seen this too many times to list.
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Old 18-11-2010, 10:00   #4
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+1 on the above..... BUT remember if its too close for your comfort, Snake Creek (Bascule) bridge is not much further up and has unlimited clearance when open!
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Old 18-11-2010, 15:20   #5
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Thank You Much Fellow Sailors! I have had to be concerned as to mast hight since the mid 80s up & down the Southern east coast U.S. Lots of power many nervious moments when inside.
Fair Winds & Our Lord's Blessings
Ed & Bonnie
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