Use NOAA Chart 11491.
The bridge has a closed vertical clearance of two feet with 40 feet of horizontal clearance in the center span. An overhead cable limits vertical clearance at 65 feet.
Depending on schedule, the bridge can be opened by horn signal (one long, one short) or by hailing the bridge tender on VHF Channel 09. (All bridges in the state of Florida must be hailed on VHF Channel 09.)