Gaunless Bridge - Credit: Wikimedia Commons
Gaunless Bridge - Credit: Wikimedia Commons
Gaunless Bridge was a railway bridge on the Stockton and Darlington Railway. It was completed in 1823 and is one of the first railway bridges to be constructed of iron and the first to use an iron truss. It is also of an unusual lenticular truss design. Read more on Wikipedia
Source: en.wikipedia.org