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The Lewis and Clark Bridge is a cantilever bridge that spans the Columbia River between Longview, Washington and Rainier, Oregon. This study considers the feasibility of using tolls to construct a new four-lane bridge and of constructing a replacement structure at or near the existing bridge.
"For the purpose of this study, the Lewis and Clark Viaduct is considered a series of bridges making up an interchange with I-70, Minnesota Avenue, Washington Boulevard, and Fairfax Trafficway in Kansas City, Kansas (KCK). The viaduct provides a vital link for I-70 across the Kansas River and was the first roadway to connect the cities of Kansas City, Kansas and Kansas City, Missouri. With portions of the viaduct dating back to 1907, annual maintenance and repair costs on the nine aging bridge structures continue to increase. As a result, in the Spring of 2011, the Kansas Department of Transportation established a Study Team consisting of the Federal Highway Administration, Unified Government of Wyandotte County & Kansas City, Kansas, Mid-America Regional Council and the Missouri Department of Transportation to evaluate the condition of each of the nine aging bridges that make up the viaduct and develop a priority phasing plan for rehabilitation and/or replacement of the existing bridges. Additionally, the Study Team used this opportunity to evaluate the feasibility of other roadway improvements in conjunction with the bridge improvements."--Page ES-1