Editing Viaduct (section)

==Over water==
[[File:ViaducdeMillau.jpg|thumb|The [[Millau Viaduct]]]]

Viaducts over water make use of islands or successive arches.  They are often combined with other types of bridges or tunnels to cross navigable waters as viaduct sections, while less expensive to design and build than tunnels or bridges with larger spans, typically lack sufficient horizontal and vertical clearance for large ships. See the [[Chesapeake Bay Bridge-Tunnel]].

The [[Millau Viaduct]] is a cable-stayed road-bridge that spans the valley of the river [[Tarn (river)|Tarn]] near [[Millau]] in southern France. It opened in 2004 and is the tallest vehicular bridge in the world, with one pier's summit at 343 metres (1,125&nbsp;ft). The viaduct [[Danyang–Kunshan Grand Bridge]] in China was the [[List of longest bridges in the world|longest bridge in the world]] {{as of|2011|lc=y}}.<ref>[https://www.guinnessworldrecords.com/Search/Details/Longestbridge/49848.htm Longest bridge], Guinness World Records. Last accessed July 2011.</ref>