The Ibaizabal viaduct is located in the valley of the Ibaizabal River in the municipality of Amorebieta/Etxano in Bizkaia. It is 394 metres long, with six spans of between 53 and 75 metres, and a maximum height of 31 metres.

Caldibe was in charge of manufacturing the rebar transport carrier and formwork used in the execution of the project.