MoDOT closing part of 5th Street in St. Charles for new interchange

ST. CHARLES, MO (KPLR) – Major traffic headaches could be coming for St. Charles drivers starting Monday morning as the Missouri Department of Transportation closes a stretch of busy 5th Street in a matter of hours.

Beginning at 7 a.m., MoDOT will completely close 5th Street under and immediately around I-70. The closure is slated to last until Wednesday morning.

The closure is necessary so that crews can shift traffic lanes on 5th Street into the new pattern for the diverging diamond interchange that MoDOT is building here. Specifically, 5th Street will completely close between Ameristar Boulevard (the Bass Pro Shop) and S. Main Street.

A MoDOT spokesperson said local traffic will only be allowed up to the residences on south 5th Street, but traffic will not be able to cross under I-70.

During the closure, all I-70 exit and entrance ramps will be closed so there will be no interstate access in this area.

The right lane on westbound I-70 before 5th Street will also be shutdown. Some pavement work has already started on 5th Street.

All lanes and ramps are expected to reopen by seven in the morning on Wednesday. The 5th Street ramp to I-70 west which has been closed since May is also scheduled to reopen on Wednesday, but the eastbound I-70 exit onto 5th Street will remain closed.

The 5th Street interchange is slated to be completed by this November. All construction is scheduled to be done by spring of next year, with the total cost being split by several parties – nearly $21 million.