The effects of Tuesday’s collapse of the Francis Scott Key Bridge in Baltimore Harbor will be felt in New Jersey, with more ships detoured to the nation’s second-busiest container port, and a renewed focus on safety, an engineering expert said. The Baltimore bridge carried I-695, the “Baltimore Beltway,” across the Patapsco River. It collapsed after a container ship known as the Dali, which was leaving Baltimore Harbor, lost power several times, causing a lack of steering that sent it heading at an angle toward one of the Key Bridge’s supporting piers, said W. M. Kim Roddis, a professional eng…