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		Yalquincha Viaduct Calama, Chile

Structural typology:		ROAD & HIGHWAY BRIDGES
Date:		January, 2024
Owner:		Concesionaria Rutas del Loa
Construction:		FERROVIAL
Scope:		detailed design

The Yalquincha viaduct is a 318 m long composite box girder bridge with four spans of 70.5, 90.0, 90.0 y 67.5 m. Thje bridge is part of the Calama bypass, which is part of the Rutas del Loa PPP project.
The deck is a steel - concrete composite box girder with a total depth of 3.60 m and 12,80 m wide.
The most significant aspects of the project are the area high seismic activity, the presence of important levels of liquefiable soils and the incremental launching construction sequence.