An upcoming road closure in Williamson County.

I57 will be closed Sunday, November 5th at 7pm until 7am Monday November 6th, between milepost 45 and 54. The northbound on-ramps at Old Illinois 13 and Illinois 13 will remain open. The detour will utilize Illinois 13 and Illinois 148 in both directions.

The closure is necessary to demolish the Grassy Road overpass on 1-57, just south of Marion.