One vehicle was trapped when a large sinkhole suddenly opened in a San Francisco Interstate 280 off-ramp on Thursday afternoon.

Massive Sinkhole

One lane of the ramp was shut down by California Highway Patrol officers, blocking the route to 6th Street in the South Park neighborhood. Around 2:35 p.m., the roadway in the area began to crumble away, a spokesman for CHP, Mark Andrews, said.

Andrews said two other lanes remained on the ramp to accommodate traveling vehicles. The sinkhole affected nearly 40 square feet of asphalt, creating cracks and a 5-foot deep hole, the San Francisco Chronicle reported.

Authorities called Caltrans maintenance crews to repair the damage but were waiting for a supply of rock and asphalt to fill the hole first. Officials said the repairs might take until the evening hours to complete.