Nene Viaduct
... that a plaque on the Nene Viaduct, built in 1850, claims that it is the last surviving cast-iron structure on a main-line railway in Britain?
... that a plaque on the <b id="mwBZo"><a href="./Nene_Viaduct" id="mwBZs" rel="mw:WikiLink" title="Nene Viaduct">Nene Viaduct</a></b>, built in 1850, claims that it is the last surviving cast-iron structure on a main-line railway in Britain?