MoDOT to close lanes on eastbound Interstate 70 at Dardenne Creek for bridge maintenance work

ST. CHARLES COUNTY – Drivers traveling in both directions of Interstate 70 in St. Charles County should be aware of increased congestion as crews prepare to close lanes as part of a bridge maintenance project. Crews will be working on eastbound and westbound Interstate 70 at Dardenne Creek. All work is weather permitting.

Starting at 9 p.m., Monday, August 7, crews will close one lane of eastbound I-70 between Route 79 and Dardenne Creek. By 11 p.m., up to three eastbound lanes will close.

The northbound Route 79 on ramp to eastbound I-70 will be closed Tuesday, August 8 and Wednesday, August 9 from 9 p.m. to 5 a.m. All lanes will reopen by 5 a.m. the following morning.

As work progresses, there will be periodic nightly closures in both the eastbound and westbound lanes. This bridge work is expected to last until fall 2023.

This bridge rehabilitation is part of a program to work on 12 bridges along Interstate 70 in St. Charles County:

For up-to-date traffic and travel info, motorists can check MoDOT’s Traveler Information Map at





Districts Involved
St. Louis