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The Pontcysyllte Aqueduct (Welsh pronunciation: [ˌpɔntkəˈsəɬtɛ]; Welsh: Traphont Ddŵr Pontcysyllte) is a navigable aqueduct that carries the Llangollen Canal across the River Dee in the Vale of Llangollen in northeast Wales.
Carried former Glasgow, Paisley and Johnstone Canal across White Cart Water. Now converted to railway viaduct. River Cart Aqueduct: River Tame Aqueduct Birmingham and Fazeley Canal: 52.5083N, -1.8605W Carries the Birmingham and Fazeley Canal over the River Tame Just South of Salford Junction, junction with the Tame Valley Canal: River Tame Aqueduct
It is the highest canal aqueduct in England and the highest masonry-arch aqueduct in Britain. The difference in water levels in the river and canal is some 90 feet (27 m) (exceeded only by the Pontcysyllte aqueduct , an iron trough carried on stone columns, where the difference is 126 feet (38 m)).
Highest extant railway viaduct in Britain. Formerly largest masonry arch in the world. Bann Bridge: Coleraine, County Londonderry: 1924: Bascule bridge carrying the NI Railways Belfast–Derry line over the River Bann: Barmouth Bridge: Barmouth, Gwynedd: 699 m (2,293 ft) 1867: II* Carries Cambrian Coast Railway across the River Mawddach estuary ...
The structure is 23 feet 8 inches (7.21 m) wide at the top, and the canal is 13 feet (4.0 m) wide and around 6 feet (1.8 m) deep due to silting. [2] There are stone towpaths 4 feet (1.2 m) wide along each side. [2] It is the longest and tallest aqueduct in Scotland, and the second longest in Britain, after the Pontcysyllte Aqueduct in Wales. [2]
The aqueduct is a form of swing bridge. When closed, it allows canal traffic to pass along the Bridgewater Canal. When large vessels need to pass along the ship canal underneath, the 1,450-tonne (1,430-long-ton; 1,600-short-ton) [3] and 330-foot (100 m) long iron trough [5] is rotated 90 degrees on a pivot mounted on a small purpose-built island.
Stanley Ferry is also the place where the Tom Pudding tub boats were loaded with coal from local collieries between 1863 and 1985 and transported down to Goole in long trains by canal. The arch bridge and its concrete neighbour from the canalside. The site is one of three historic fords crossing the River Calder near Wakefield. Because the ...
However William Jessop, the canal company’s engineer, designed a three-arch brick viaduct so that the canal could cross at a higher level, reducing the water loss and delay in locking down to river level. His structure was opened on 26 August 1805, but a section of the canal embankment collapsed in January 1806; this was repaired, but the ...