Possible Bomb Found at Coronado Bridge, San Diego

A possible pipe bomb has been found at the on-ramp at the Coronado Bridge in San Diego, California.

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SAN DIEGO — A suspicious device that proved to be harmless prompted authorities to shut down Interstate 5 for about an hour Monday morning.

The southbound lanes of the Interstate 5 connection to the San Diego-Coronado Bay Bridge as well as the south transition road from state Route 163 were closed about 9 a.m. after a possible pipe bomb was found on the roadway.

The one-foot long pipe, which had caps at both ends, was discovered about 8:35 a.m. on the right shoulder of I-5 right at the connection to the bridge, San Diego police said.

Bomb squad members determined that the device was harmless and the lanes were reopened just before 10 a.m.

Drivers heading south on I-5 were diverted to state Route 94 and drivers on SR-163 were taken off at Park Ave, the California Highway Patrol said.

The Imperial Avenue and Cesar Chavez Parkway on-ramps to I-5 were also shut down.

Update-  The device has proven harmless.