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10 Incredible Navigable Aqueducts
Navigable aqueducts (sometimes called water bridges) are bridge
structures that carry navigable waterway canals over other rivers,
valleys, railways or roads. They are primarily distinguished by their
size, carrying a larger cross-section of water than most water-supply
aqueducts. Although Roman aqueducts were sometimes used for transport,
aqueducts were not generally used until the 17th century when the
problems of summit level canals had been solved and modern canal systems
started to appear.
01. Pontcysyllte Aqueduct — UK
The Pontcysyllte Aqueduct is a navigable aqueduct that carries the Llangollen Canal over the valley of the River Dee in Wrexham County Borough in north east Wales. Completed in 1805, it is the longest and highest aqueduct in Britain, a Grade I Listed Building and a World Heritage Site. Built by Thomas Telford and William Jessop, it is 307 m. (1,007 ft.) long, 3.4 m. (11 ft.) wide and 1.6 m. (5.25 ft.) deep.
01. Pontcysyllte Aqueduct — UK
The Pontcysyllte Aqueduct is a navigable aqueduct that carries the Llangollen Canal over the valley of the River Dee in Wrexham County Borough in north east Wales. Completed in 1805, it is the longest and highest aqueduct in Britain, a Grade I Listed Building and a World Heritage Site. Built by Thomas Telford and William Jessop, it is 307 m. (1,007 ft.) long, 3.4 m. (11 ft.) wide and 1.6 m. (5.25 ft.) deep.