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Sinkhole causes traffic to be rerouted on Southbound Escala Drive in Rancho Bernardo.

City of San Diego stormwater department closes Escala Drive in Ranch Bernardo due to sinkhole.

SAN DIEGO — City of San Diego crews responded Saturday to a sinkhole that opened up on the southbound side of Escala Drive in the Rancho Bernardo community, prompting a section of the road to be closed.

Detour signs were put in place to route traffic around the closure, which is between Fernando Way and Chretien Court in a residential area, according to Nicole Darling of the city of San Diego.

The sinkhole, about 3-by-4 feet wide, was caused by erosion that developed because of a broken 18-inch storm drainpipe that runs beneath Escala Drive, Darling said. The pipe carries runoff from the stormwater system down to an outfall lower in the canyon.

Both sides of Escala Drive were closed. Crews from the city's stormwater department conducted an assessment of the damage and will develop an emergency repair plan for the pipe and the roadway.

The closure will remain in place into next week and possibly longer, officials said.

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