MoDOT to close a portion of Route 21 at Route H in Desoto for culvert pipe replacements

JEFFERSON COUNTY – The Missouri Department of Transportation will be installing culvert pipes along Route 21 to Route WW starting July 7.

Crews will close Route 21 starting at Route H daily Monday through Thursday from 7 a.m. until 3:30 p.m. There are a total of 19 pipes to install and replace from Route 21 heading towards the direction of Route WW.

These closures will be in effect until early August. Message boards are in place along the closure route.

For real-time traffic, visit All work is weather permitting and may be shifted due to inclement weather.



Districts Involved
St. Louis