MoDOT to close SB I-55 in Jefferson County at Route M overnight this week…

JEFFERSON COUNTY- Drivers who use southbound Interstate 55 between Route M and Route Z should be aware the interstate will close overnight this week for bridge construction.

Weather permitting, crews will close all lanes of southbound I-55 nightly from Monday, December 15 through Saturday, December 20 between 11 p.m. and 5 a.m. to set girders for a new bridge over the BNSF railroad.

A signed detour will direct traffic around the closure. Drivers will exit I-55 at Route M (Exit 185) and turn left. They'll then turn right at U.S. Route 61/67 and continue along that route until they reach Route Z, where they will turn right, and then take the ramp on left side of Route Z to re-enter southbound I-55.

For additional information about current and upcoming detours and project status, please visit the I-55 Corridor Improvement project website at: Interstate 55 Corridor Upgrades in Jefferson | Missouri Department of Transportation (modot.org).

For up-to-date traffic and travel info, motorists can check MoDOT's Traveler Information Map at http://traveler.modot.org/map/.

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