UPDATE (12:48 p.m.) - Both lanes of northbound Highway 101 have been reopened, Caltrans says. Drivers may experience residual delays.
UPDATE (12:17 p.m.) - Caltrans says that the right lane of northbound Highway 101 is closed. They advise drivers to be cautious and watch out for emergency vehicles.
A fire broke out in the Salinas Riverbed in Paso Robles late Wednesday morning, a little before 11:30 a.m.
The fire burned about one acre in the riverbed near Niblick Rd. and Highway 101, Cal Fire said in a tweet.
No homes were threatened by the blaze.
Crews responded to the fire and stopped forward progress.