Railway viaduct in Rychnov near Jablonec nad Nisou

One of the most demanding viaducts to build in the Jizera Mountains was built in the years 1856-1859 in Rychnov near Jablonec nad Nisou on the line connecting Turnov with Liberec. According to measurements, the continuous layer of permanent subsoil is located at a depth of up to 140 meters, so the viaduct was in the local swampy landscape built on wooden pylons. The building of sandstone blocks with ten pillars and nine arches is 118…