Some of New Jersey’s highest-ranking leaders gathered along the Hackensack River on Tuesday to announce the first infusion of federal funding to repair or replace hundreds of bridges across the state under the new national infrastructure law. Gov. Phil Murphy, U.S. Sens. Robert Menendez and Cory Booker, and U.S. Rep. Bill Pascrell Jr. heralded plans to upgrade the eastbound span of the Route 3 bridge over the Hackensack River and Meadowlands Parkway from East Rutherford to Secaucus — a heavily traveled bridge that carries commuters to the Lincoln Tunnel. The plans also include space for a ligh…