See if this helps : Navionics ChartViewer
Kinda looks like if you stay out in the middle +/-, once you go under the bridge, you're likely to stay in >6fow .... but GETTING from the launch ramp to the bridge is another story.
Now the disclaimer is .... I'm not sure how accurate this website is, as I've had it on my computer for more than 10yrs & don't know if/when they update it.
The other disclaimer is .... looking at Google Maps, you get the impression that launching a kayak is okay, but launching a boat of any size might be a little iffy.