Colin Smith on Geograph 1838 The Sounding Arch I. K. Brunel designed this bridge the brick arches are the widest and flattest in the world. Each span is 128 feet with a rise of only 24 feet Railway viaduct over River Thames, Maidenhead 1 Jan 1975 in 1975 Colour: stone Wikimedia: Flickr: Google Streetview OpenStreetMap See also... Spudgun67 on Wikimedia Commons Nick Harrison on Flickr Site office used by I. K. Brunel during construction of the Great Western Railway Spudgun67 on Wikimedia Commons Chris on Flickr sleepymyf on Flickr David Smith on Geograph JP_59 on Flickr JP_59 on Flickr Lyn Robson on Wikimedia Commons SS Great Britain An outstanding example of I. K. Brunel's innovative design that made a... gnomonic on Flickr snapper116 on Flickr Jez Nicholson on Flickr Elliott Brown on Flickr Hereford (Barrs Court) Railway Station. 150th Anniversary, 1856-2006. This plaque comme... gnomonic on Flickr Nick Harrison on Flickr Derek Harper on Geograph Jez Nicholson on Flickr Nick Harrison on Flickr Elliott Brown on Flickr Ron Hann on Geograph Nick Smith on Wikimedia Commons Spudgun67 on Wikimedia Commons Nick Harrison on Flickr