Commuters heading south on I-205 this weekend should plan for an overnight closure. Crews will be pouring concrete on the newly widened Abernathy Bridge, leading to a short but significant interruption to traffic.

Drivers in Jefferson County should prepare for a temporary ramp closure on Route A leading to northbound Interstate 55. MoDOT crews plan to shut down the ramp from 8 p.m. Thursday until 4 a.m. Friday, potentially affecting overnight traffic.