Bricks thrown off the Clark Road overpass near El Centro on Wednesday crashed through a windshield of a tractor-trailer rig driving on Interstate 8 but the driver was not injured.
According to the California Highway Patrol, youths were randomly throwing bricks from the Clark overpass.
One of the bricks struck a tractor-trailer rig shortly after 2 p.m. The driver managed to maintain control of his vehicle and was able to pull it off the road.
Highway Patrol officials said the driver saw youths on the overpass.
CHP officers responded to the scene but were unable to locate any suspects.