Interstate 10 near Boerne will be closed throughout the weekend due to bridge demolition Eastbound and westbound lanes between SH 46 and Scenic Loop will close Friday night through Monday morning Updated: Tags: The U.S. Highway 87 (Main Street) bridge over Interstate 10 will be demolished this weekend, meaning the main lanes of I-10 will be closed. (Courtesy, City of Boerne) SAN ANTONIO – A portion of Interstate 10 on the far Northwest Side will be closed for 56 hours straight this weekend due to ongoing construction on the highway. The east and westbound lanes of Interstate 10 between State Highway 46 (Bandera Road) and Scenic Loop will be closed from 9 p.m. Friday to 5 a.m. Monday, according to the Texas Department of Transportation.