Crews in downtown St. Louis are scheduled to open the ramp from southbound Memorial Drive to westbound Interstate 44 and southbound Interstate 55 about 7 p.m. Friday according to the Missouri Department of Transportation.
The ramp closure was part of the Poplar Street Bridge work that included a lane reduction.
MoDOT said it has a little work remaining on the Poplar Street Bridge this year.
On Aug. 28, lanes are expected to be closed as crews remove and replace a temporary barrier wall on the new ramp. Details of the lane closure are being finalized.
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Next year, MoDOT plans to carry out work on the eastbound portion of the PSB. Work is planned to include widening the ramp from northbound I-55 to the PSB and adding a lane from the 6th Street ramp in St. Louis across the bridge to Illinois 3, MoDOT said.