Pennsylvania is home to over 25,000 bridges, making it one of the states with the most bridges in the United States. These structures vary in design, including suspension bridges, arch bridges, and beam bridges, serving both urban and rural areas. Notable examples include the Benjamin Franklin Bridge in Philadelphia and the Kinzua Bridge in McKean County. Many of Pennsylvania's bridges are vital for transportation, connecting communities and facilitating commerce. The state's diverse geography, featuring rivers and valleys, has led to innovative engineering solutions. Regular maintenance and inspections are essential to ensure the safety and longevity of these important infrastructures.