Overpass demolition will force Interstate 10 traffic in Boerne onto frontage roads FacebookTwitterEmail A truck on the frontage road of Interstate 10 west in Leon Springs in 2016, when bridge repairs forced it to take traffic in both directions. Construction along the interstate has been a constant; this weekend the highway will be closed in Boerne for bridge demolition work.John Davenport /San Antonio Express-News If you’re headed toward Boerne this weekend on Interstate 10, prepare for some delays. The east and westbound lanes of Interstate 10 from Scenic Loop Road south of the city to Texas 46 will be closed from 9 p.m. Friday to 5 a.m. Monday, according to the Texas Department of Transportation.