The bridge of Itero (puente de Itero) crosses the Pisuerga between Itero del Castillo (Burgos) and Itero de la Vega (Palencia). Beside it a hospital was constructed in the twelfth century by Nuño Pérez de Lara.
Itero del Castillo is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 110 inhabitants.