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The Fourth Ring Road of Zaragoza crosses the River Ebro, on the section between the N-232 and the A-2, by means of a viaduct with a total length of 396 m.

• Year of execution: 2006
• Location: Zaragoza, Spain
• Technical Solutions: Form Travelers, Traditional Formwork & Ground-Supported Falsework
• Total length: 398 m
  

A single deck was designed for both carriageways, with a total width of 26.60 m. In the first phase, the central box girder of the deck was constructed in situ using the balanced cantilever method, while in the second phase, the side cantilevers of the section were built using mobile formwork that advanced over the previously constructed core.