Context : The Baron of Mauá International Bridge (Portuguese: Ponte Internacional Barão de Mauá, Spanish: Puente Internacional Barón de Mauá) is a bridge that crosses the Jaguarão River, linking the cities of Jaguarão, Rio Grande do Sul, Brazil and Río Branco, Uruguay. 
Answer : Jaguarão River
Over what river does Baron of Mauá International Bridge cross?