Isle of Sheppey Yantlet Creek at the Isle of Grain to the west, it was occasionally used in ancient times by shipping to and from ports such as Chatham and London to reduce exposure to bad weather in the Thames Estuary or North Sea. The Kingsferry Bridge was first built in 1860, thus eliminating the need for ferries. Over time, there have been four bridges built over the Swale at this point. All bridges had to allow sufficient clearance for shipping heading to the commercial docks at Ridham: On 5 September 2013, fog caused a 130 vehicle pile-up on the Sheppey Crossing bridge
Estuary this type of estuary in the U.S. are the Hudson River, Chesapeake Bay, and Delaware Bay along the Mid-Atlantic coast, and Galveston Bay and Tampa Bay along the Gulf Coast. Bar-built estuaries are found in place where the deposition of sediment has kept pace with rising sea level so that the estuaries are shallow and separated from the sea by sand spits or barrier islands. They are relatively common in tropical and subtropical locations. These estuaries are semi-isolated from ocean waters by barrier beaches (barrier islands and barrier spits). Formation of barrier beaches partially encloses the estuary, with only narrow