Are you actually claiming the ICW goes up the Hudson River???

jeffies, here are the bridge clearnances on the ICW up to Troy NY (on the
Hudson River, jeffies,north of Albany, capital of the state of New York and a
three hour drive north by car from New York City, all of which is west of LIS),
according to the USCG.

http://www.uscg.mil/hq/g-o/g-opt/Clearance.htm