The Eagle Pass–Piedras Negras International Bridge is an international bridge which crosses the Rio Grande connecting the United States-Mexico border cities of Eagle Pass, Texas and Piedras Negras, Coahuila. The bridge is also known as "Eagle Pass Bridge 1" and "Puente Piedras Negras-Eagle Pass". The road continues into Eagle Pass as U.S. Route 57, and Piedras Negras as Mexican Federal Highway 57.