Is it possible to determine the raised vertical clearance of a bascule bridge from a chart? If not, how does one obtain this information? I understand that I can hail the operator but am an interested in knowing when I am planning the trip.
For example; reference the "Treasure Island Causeway Bascule Bridge" (St. Pete Beach, FL) on chart 11411 at 27.46N, 82.46W (approx).
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1969 MORGAN 30