Parts of Interstates 70 and 44 near downtown St. Louis are closed as workers try to address a massive cave-in that opened up at Broadway and Biddle streets just north of the Dome at America’s Center.
Late Friday, officials at the water division learned of a water main break at the intersection, said Robert Achisson, public information officer for the division. A 20-inch main broke, and the ensuing ground collapse damaged two smaller water mains.
The resulting hole under an elevated part of Interstate 44/70 stretches approximately 30 feet in diameter and 15 feet deep, an opening big enough to fit a small St. Louis city bus…