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 Mark Twain Riverboat "Mark Twain" Riverboat is an attraction, located at the Disneyland theme park in Anaheim, California, on which passengers embark on a scenic, 12-minute journey around the Rivers of America. Originally named "Mark Twain" Steamboat when the park opened in 1955, the stately, 5/8-scale stern-wheeler was the first functional riverboat to be built in the United States for fifty years. Other Disney riverboat attractions now appear at Walt Disney World, Tokyo Disneyland and Disneyland Paris. Passengers wait for the 150-ton, , riverboat, which departs every 25 minutes, inside a sheltered area in the Frontierland section of the park.