The pontoon was tested with the Palsey Pontoon on the Medway. It has a fisherman pontoon and moorings for about 150 boats. In 1998 Forest River Launched Forest River Marine and began producing pontoon boats. The bridge was designed with a movable floating pontoon. There is a proposal to replace the wooden bridges and paths by floating pontoon bridges. Each column is tall and has a staircase connecting the deck with the pontoon below. It is 'T' shaped, with a pontoon at its pier head. Provisional and lightweight pontoon bridge are easily damaged. Rains caused the river to rise and threatened to break the pontoon bridges. See below for floating pontoon failures and disasters. Punda and Otrobanda are connected by Queen Emma Bridge, a long pontoon bridge. It could travel the seas on top of a pontoon or transport ship. They supported the choice of a pontoon bridge. They crossed the Rapidan unopposed, while supplies were transported on four pontoon bridges. Blackjack has inspired other casino games, including Spanish 21 and pontoon.