ST. CHARLES, MO (KPLR)-- Get ready for some traffic delays and detours on the Interstate 70 Blanchette Bridge.
Starting Friday night at 8 o'clock, MoDOT crews will close one lane in each direction on the Blanchette Bridge.
The lanes will stay closed for 3 weeks to prepare for the bigger construction job coming in the first week of November.
In November MoDOT crews will begin building a new driving surface and a new barrier wall on the westbound Blanchette Bridge. The work is expected to be completed in about a year.