McALLEN — Community leaders, local officials and international representatives gathered here at the convention center Friday to celebrate the 100th anniversary of the McAllen-Hidalgo International Bridge.Heralded as an international gateway, the bridge has served not only as a physical connection between the United States and Mexico, but it also symbolizes a relationship that continues to grow.The bridge has proved to be an impactful tool in helping strengthen regional economic development, international trade, tourism, and of course, as most in the Rio Grande Valley has seen firsthand, the cultural exchange.Among the attendees was McAllen Mayor Javier Villalobos, who spoke on the ...