Information on types of bridges - Arch bridge. Iron Bridge - arch bridge. A rches are used in bridges in different ways, depending on whether they are made of steel, brick or stone. Stone was used in many Roman bridges . The Pont du Gard is an aqueduct built 2000 years ago to carry water across a valley and is still standing today.
Arch bridges can form wider spans than an unsupported beam.
Pont du Garde. V ictorian stone arch railway viaduct at Yarm. Built with tall pillars and many arches. T he first metal bridge was an arch made from iron in Shropshire. This was so famous that the place was named Iron bridge , it was opened in 1781 and still stands today.