Mark Twain Memorial Bridge (1936) Mark Twain Memorial Bridge (1936) The Mark Twain Memorial Bridge was a Cantilevered Through Truss Bridge carrying US 36 over the Mississippi River. It was replaced in 2000 with the extension of I-72 and subsequently demolished. The bridge, which replaced motor vehicle use of the Wabash Bridge, was opened in 1936 by President Franklin D. Roosevelt and entered Missouri at the foot of Cardiff Hill which appeared in Twain's books The Adventures of Tom Sawyer and The Adventures of Huckleberry Finn. A crosswalk crossed the highway, connecting the Twain boyhood home with the lighthouse at the top of the hill.
Mark Twain Riverboat located. From here, the boiler engineer controls the speed and direction of the riverboat. Steam from the boiler is used to power the paddle wheels and thus pushes the craft along its guide-way. The voyage on the Rivers of America around Tom Sawyer Island features pre-recorded narration by a riverboat guide voiced by Thurl Ravenscroft, Mark Twain (Peter Renaday), who speaks of his days piloting a riverboat, and by the (not present) "captain" of the ship, voiced by Disney voice actor Stephen Stanton. On most days, "Mark Twain" begins operation as soon the park opens. On days when "Fantasmic!" is