Delegates from Pan American Highway commission pass by Kingsley Bridge and Nicholson Bridge in Pennsylvania

Official cars transporting delegates of the Pan American Highway Commission pass by two arch bridges in Pennsylvania during a United States tour. One bridge is the Kingsley Bridge (Martin Creek Viaduct) and the other is the Tunkhannock Viaduct known as the Nicholson Bridge. It is the largest concrete bridge in the world. It spans Tunkhannock Creek in Nicholson, Wyoming County, Pennsylvania. A man walking along the sides of the road is seen.