Route OO closures in Franklin County starting February 18 for pipe replacement

FRANKLIN COUNTY– MoDOT will close a portion of Route OO in Franklin County for pipe installation. Drivers should seek alternate routes beginning Tuesday, February 18 at 8 a.m.

Crews will start installation work at North First Street in Pacific and work towards Route 100. There are 15 pipes that crews will replace throughout the course of construction. Work will take place daily during the week from Monday to Friday from 8 a.m. to 3 p.m. If crews work past 3 p.m., there will be a one-lane flagging operation in place to direct traffic. This project will continue until mid-April. 

As crews work towards Route 100, MoDOT will send out regular updates according to the locations of where crews will be installing the pipes.

There will be a full weekend closure starting February 21 on Route OO near Inez Lane. Route OO in this area will be closed at 8 p.m. Friday, February 21 and reopen by 5 a.m. Monday, February 24.

Winter weather conditions caused a delay from the previously scheduled closure which was set for late January.

All work is weather permitting.

For more on roadway closures due to construction and additional work zone information go to  For real-time traffic, visit


Districts Involved
St. Louis