A semi-truck rolled over after striking a freeway overpass near Carmel Mountain Ranch, blocking traffic on Interstate 15.
According to the California Highway Patrol, the semi ran off the right shoulder on northbound I-15, just north of State Route 56, about 4:15 a.m. Thursday.
The right lane is shut down.
The CHP reports one of the bridge pillars was hit.
Caltrans is assessing possible damage to the overpass.
A roadway sweeper is cleaning up concrete debris.
The semi was transporting frozen food.