Pontoon bridge Roman Emperor crossed the Adige in 1157 on a pontoon bridge built in advance by the people of Verona on orders of the German Emperor. The French Royal Army of King Philip II of France constructed a pontoon bridge across the Seine to seize Les Andelys from the English at the Siege of Château Gaillard in 1203. During the Fifth Crusade, the Crusaders built two pontoon bridges across the Nile at the Siege of Damietta (1218-1219), including one supported by 38 boats. On 27 May 1234, Crusader troops crossed the river Ochtum in Germany on a pontoon bridge during the
Pontoon Beach, Illinois Mississippi River from Pontoon Beach. Pontoon Beach, Illinois Pontoon Beach is a village in Madison County, Illinois, United States. The population was 5,836 at the 2010 census. Pontoon Beach is located at (38.726078, -90.060505). According to the 2010 census, Pontoon Beach has a total area of , of which (or 79.75%) is land and (or 20.25%) is water. As of the census of 2000, there were 5,620 people, 2,134 households, and 1,519 families residing in the village. The population density was 686.9 people per square mile (265.3/km²). There were 2,341 housing units at an average density of 286.1 per square