The main road (1) and the subsidiary road (2) are provided thereon with a crisscrossing viaduct (10), and the crisscrossing viaduct (10) comprises a two-way bridge (11) and a one-way bridge (12).
A viaduct with mass transit tunnels sits atop the hydrodynamic array.
An overhead bicycle parking floor (102) is arranged between the roundabout (3) and the crisscrossing viaduct (10).
The invention is also relates to a tunnel viaduct provided with a layer of plaster sprayed on using the method according to the invention or with a fireproof layer applied using the method as described in claim 13.
There are provided special connections between modular elements, to be used at the site of the expansion joints between the spans of a viaduct.
The integrated steel structure fly-over bridge is composed by steel structure standard parts which can be assembled and constructed quickly.