Route OO in Franklin County closure delayed until February due to winter weather conditions

FRANKLIN COUNTY– MoDOT will close a portion of Route OO in Franklin County for pipe installation. Drivers should seek alternate routes beginning Monday, February 17 at 8 a.m.

Winter weather conditions have delayed the previously scheduled closure for Monday, January 27. All work is weather-permitting.

Installation work will take place from Route 100 to North First Street in Pacific on Monday through Fridays from 8 a.m. to 3 p.m. Crews will start on Route 100 at the end of Route OO and work towards the direction of Pacific. This work will continue until mid-April. 

There will be a full weekend closure sometime during the pipe installation work. At this time, the date is unknown. MoDOT will update motorists when this information becomes available. 

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


Districts Involved
St. Louis