Update, 7:51 p.m.: The fire is partially contained and SFGate notes that full containment should happen tonight.
Update, 6:52 p.m.: The fire that had spread to a nearby USCF building is now out, according to NBC.
Update, 6:27 p.m.: Shifting winds are creating concern, and smoke has been spotted at a building 1-2 blocks away, according to SFFFLocal798. As well as, KTVU notes the original fire started at a luxury apartment building under construction, MB360.
Update, 6:10 p.m.: CHP advising people to avoid Hwy 280 north of Mariposa, due to heavy smoke.
At 4:46 p.m. a three-alarm fire was reported at Fourth and China Basin Streets in Mission Bay. The San Francisco Fire department was called to the scene at the burning high-rise building that was under construction just west of AT&T Park.
The San Francisco Police Department is in a supportive role of traffic control.