The Confluence Trail , part of the Madison County, Illinois Transit (MCT) bikeways network, is a 20.5 miles (33.0 km) bike trail between Granite City and Alton, Illinois 's Russell Commons Park. The majority of the trail is paved asphalt on top of the Mississippi River levee system. The trail is part of the St. Louis metro area's Confluence Greenway .
4-853: Points of interest along the trail include the Clark Bridge in Alton, the National Great Rivers Museum [ Wikidata ] at Melvin Price Locks and Dam , the Lewis and Clark State Historic Site , the confluence of the Mississippi and Missouri Rivers, the Chain of Rocks Canal , Chouteau Island and the Old Chain of Rocks Bridge (former U.S. Route 66 crossing). The Lewis and Clark Confluence Tower
8-518: Is also located directly on the trail. 38°48′49″N 90°06′02″W / 38.8136°N 90.1005°W / 38.8136; -90.1005 This Madison County, Illinois location article is a stub . You can help Misplaced Pages by expanding it . Clark Bridge The Clark Bridge is a cable-stayed bridge across the Mississippi River between West Alton, Missouri and Alton, Illinois . Named after explorer William Clark like
12-560: The bridge it replaced , the cable-stayed bridge opened in 1994. It carries U.S. Route 67 across the river. It is the northernmost river crossing in the St. Louis metropolitan area . The new $ 85 million, 108-foot-wide bridge (33 m) replaced the old Clark Bridge , which was only 20 ft wide (6.1 m). The truss bridge was built in 1928. The new bridge carries two lanes of divided traffic in each direction, as well as two bike lanes. The old bridge carried only two lanes (similar to
16-563: The upstream Champ Clark Bridge ). The bridge is sometimes referred to as the Super Bridge , and its construction process was documented in the 1997 NOVA episode Super Bridge , which highlighted the challenges of building the bridge, especially during the Great Flood of 1993 . Designed by Hanson Engineers under contract to Illinois Department of Transportation (DOT), the Clark Bridge was
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