I have the CDI Furler
with a second Forestay attached above the JIb on the mast, and to the mast transport fitting on the bow pulpit. I live about 4 miles from the launch ramp and have left the mast attached at the base, with the sail, boom, and cover on. The mast will go down far enough to clear all overhead wires, etc. through town. I do use the mast transport crutch and keep tension on the Furler and second Forestay while towing, mostly so a good bump or curb doesn't bend the mast, whether it would or not I don't know, but don't want to take a chance. If your bridge isn't to low I think it would clear, I haven't done it, but IMHO think it would be difficult to re-attach the CDI on the water. I find it's pretty heavy, and it take a lot of tension to re-insert the pin and ring-ding. Good luck........and we do love the 26X.