The bomb squad investigated a suspicious device in the Mission Bay area Thursday afternoon.
At 2:20 p.m., a caller reported seeing a suspicious-looking pipe at Interstate 5 and SeaWorld Drive, according to fire officials.
The California Highway Patrol issued a Sig Alert and shut down the northbound I-5 off-ramp between Interstate 8 and SeaWorld Drive.
Around 3 :30 p.m., fire officials confirmed there was no hazard, and crews started clearing the scene.
