ST. LOUIS - The Missouri Department of Transportation and its contractor, KCI, will begin a major shift in traffic around downtown St. Louis Friday, March 14.
The shifts will end with the reopening of the new, wider Walnut Street bridge over I-44 on Friday afternoon.
Between 9 a.m. to 1 p.m., crews will be installing signs and preparing for the traffic shift. Crews will close northbound Memorial between Walnut and Pine Street and close southbound Memorial between Chestnut and Market Streets. In addition, crews will reverse traffic on Memorial between Walnut and Market as well as between Chestnut and Pine. This will allow traffic to come across Walnut and loop around Luther Ely Smith Park.
This work is part of preparations for the CityArchRiver Park Over the Highway project. Crews have completed some substructure work for the Park Over the Highway, and will soon start on constructing the bridge over I-44.
After the traffic switch, drivers heading into downtown can use the Congressman William "Bill" Clay Sr. Bridge (the PSB) or eastbound I-44. From the Clay Sr. Bridge, drivers will be able to take the ramp to eastbound I-44 or exit to Walnut. From Walnut, they can head west to 4th Street or north to Market. From Market, they can loop around Luther Ely Smith Park to Chestnut. From eastbound I-44, motorists will be able to take the new exit ramp at Washington Avenue, take the U-turn ramp before Washington and get onto Pine Street to head into downtown.
Heading out of downtown, drivers can use Walnut to access westbound I-44, southbound I-55 or eastbound I-64. Drivers can also take Broadway to Gratiot, turn left and take the 6th Street ramp to eastbound I-64.
The work is part of the overall improvements to access between downtown and the interstate as part of the Park Over the Highway project. Crews will continue to work around Memorial Drive and the interstate ramps near Pine this winter and spring. It is a portion of CityArchRiver 2015, a transformational project that will enhance the Gateway Arch experience for all visitors. The project will create a seamless park experience from the city to the Mississippi River, providing visitors with a more vibrant and safer place to visit, enjoy, and return. This work will not significantly impact access to the Gateway Arch, which remains open during construction.
People can view the on-going construction on the Park Over the Highway at the web camera at: http://oxblue.com/open/modot/cityarchriver.