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Work is Underway on Poplar Street Bridge Expansion

File Photo - Construction is underway to strengthen supports for the Poplar Street Bridge on Thursday, March 23, 2017, and to add another eastbound lane. To accomplish this, contractor KCI is going to lift and move the eastbound lanes nine feet to the outside. Then, they will fill in the middle section with new beams and another lane. Photo by J.B. Forbes, jforbes@post-dispatch.com

Cold weather means lane reductions and a traffic shift on the Poplar Street Bridge will be delayed until next week when warmer temperatures should arrive, the Missouri Department of Transportation said Tuesday.

The work initially had been planned for the end of December, but MoDOT postponed it then due to frigid temperatures. It was to start this week.

According to the agency:

On Jan. 8, crews are set to close an additional eastbound lane across the Mississippi River starting at 8 p.m. Only one lane will be open across the river until 2 p.m. on Jan. 9. During the work, crews will shift barrier walls and restripe lanes. When the second lane reopens, the open lanes across the bridge will be shifted to the two middle lanes. The far right and far left lanes on the eastbound bridge will be closed.

Beginning at 8 p.m. on Jan. 9, crews once again will close an additional eastbound lane on the bridge to install barrier wall along the far left lane. Only one lane will be open across the river. When the second lane reopens by 2 p.m. on Jan. 10, the far left lane on the eastbound bridge will remain closed around the clock until the end of the year.

On Jan. 10, crews are slated to close two westbound lanes across the bridge at 8 p.m. One lane will reopen by 5 a.m. on Jan. 11, when the far left westbound lane across the bridge will remain closed until the year's end.

When the traffic shifts are complete, one left lane on the westbound and eastbound lanes of the bridge will be closed around the clock until December. These lane closures are to prepare the bridge for a "slide" to widen it  in late March, and to add an eastbound lane for the bridge.

Also, one right lane will be closed around the clock on the eastbound bridge to let crews complete placing the new surface. That lane is expected to reopen sometime next month.