ROME—A judge in Genoa on Thursday ordered all 59 defendants to stand trial for the deadly 2018 collapse of a heavily used highway bridge in that Italian port city which sent cars and trucks plunging into the dry riverbed below. Forty-three people were killed when a large section of the Morandi Bridge broke off during a violent rainstorm on Aug. 14, 2018, on the eve of Italy’s big summer holiday. Charges against the defendants include multiple manslaughter and making false statements. Italy’s Rai state TV, reporting from the Genoa courthouse, said trial will begin July 7. It took Judge Paola Faggioni two hours to read aloud all the reasons why she was denying various objections raised by defendants’ lawyers before she ordered the trial. Among those facing charges is Giovanni Castellucci, former CEO of the company that manages many of Italy’s highways and bridges, Rai said. Lawyers for Castellucci expressed …