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The New Mississippi River Bridge Projects

Proposed Initial Phase
 

Proposed Initial Phase Map
Click on the map above, or here to view the full-sized project map. (~1.22mb pdf)

On February 28, 2008 Illinois Governor Blagojevich and Missouri Governor Blunt announced the two states have reached an agreement to build a new, 4-lane bridge one mile north of the Martin Luther King Bridge. The two states are in the process of securing concurrence from the Federal Highway Administration and anticipate approval this Spring.

The scope of work included in the announcement is the first phase of the project and represents an operationally independent phase that can be funded and built to function as a viable transportation facility. The map on this page depicts the components as follows:

  • A new, 4-lane, I-70 Mississippi River Bridge with design accommodations for a companion bridge to be built in the future

  • A partial interchange in Missouri with existing I-70 near Cass Avenue

  • Improvements at the I-55/64/70 Tri-Level Interchange in East St. Louis to accommodate ramp connections to and from I-55/70

  • A roadway connection between the existing I-55/64/70 Interchange and the new bridge along the I-64 Connector alignment

The Missouri North I-70 interchange connects not only to Interstate 70, but also to the local street system via Cass Avenue. The four-lane bridge will carry two-way traffic initially. As traffic demands increase, a companion 4-lane structure can be built, along with the I-44/55 ramps to the south. The roadways in Illinois connect the new river bridge with the Tri-Level Interchange. The Tri-Level interchange will be modified to allow direct connections to and from both I-64 and I-55/70 in Illinois. Please see the Funding page for the cost estimate and funding sources for the Proposed Initial Phase.

 


 


Missouri Department of Transportation


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