Bob, Vicki and Rosie Its OK to raise the mast after the 19.1 foot bridge in Chicago. There are no fixed bridges less than 47 feet between Chicago and Mobile. Alan Lloyd Great Loop Navigation Notes _www.NavigationNotes.com_ (http://www.navigationnotes.com/) Visit web site for more information In a message dated 5/26/2009 12:21:27 P.M. Eastern Daylight Time, gb421009@earthlink.net writes: We are a trawler with a mast that requires 26' of bridge clearance. We have been unable to find info on bridges on the inland rivers. . **************We found the real bHotel Californiab and the bSeinfeldb diner. What will you find? Explore WhereItsAt.com. (http://www.whereitsat.com/?ncid=emlwenew00000004)