St. Clair County: Beginning at 7 a.m. Wednesday, Dec. 11, lane closures will be encountered on northbound I-255 over Prairie Du Pont Canal just south of Illinois 157. One lane will remain open. All lanes will reopen by 3 p.m. Wednesday, Dec. 18. https://t.co/cp7Dbof1W6https://t.co/G7pN1iqNuP