The blaze was reported shortly before 11 a.m., when flames were seen coming from the engine compartment of the double-tanker on westbound I-80 near Hilltop Drive, according to the California Highway Patrol.
Both directions of the freeway were closed and a Sig-alert was issued.
An earlier evacuation order was lifted, but a shelter-in-place remains in effect from Hilltop Drive to Rollingwood Drive, and from I-80 to Shane Drive, Richmond officials said in an alert.
Both directions of the freeway were closed and a Sig-alert was issued. Eastbound lanes reopened to traffic shortly after 2 p.m. Saturday, but westbound lanes remained closed, officials said. At least one westbound lane was still closed as of 8:50 p.m. Saturday.
Residents can return home and are asked to go inside, and close all windows and doors.
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