I guess it depends on the terrain, for instance, how close the shore is on either side, or if its wide enough for two boats to pass. My experiences have been no wake and the shore on your port side if its wide enough for two boats to pass. But then again, I have never been under the seven mile bridge in key west as I'm certain different rules apply. Check with your local recreation department. At least they might point you in the right direction as to where you can obtain information regarding rules, laws and regulations pursuant to your neck of the woods.
# 1 stay in the channel, boat with less steerage have the right of way, as sailboats, when waiting for the traffic to clear, fall back and make large circles, back from the bridge, also watch out for the idiot, that clears the bridge, and guns the throttle, i have taken water over the bow more than once, do to idiots operating other boats.
yeah sorry 'bout that. All the bridges I could think of around here are either crossing the salt chuck or the river. I got a picture in my head of the leutenant on the coast guard boat(notice how I said boat not ship)standing on the bow yelling "Hey Ackmed, what the #@&* are you doing? The tide is changing, you're about to be spun around and then flipped over" Man that's the worst place to sit at tide change