Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Centennial Bridge, or Rock Island Centennial Bridge, connects Rock Island, Illinois and Davenport, Iowa. The bridge is 3,850 feet (1,173 m) long and stands 170 feet (52 m) above water level. In 1988, lights were installed on the arches, which make the bridge a very scenic sight at night. Construction of the bridge began in 1938 and it opened on July 12, 1940 as a toll bridge. The bridge cost $1.75 million to construct.