local health district officials were stated as saying that the bridge over the santa marina river , in southernmost colombia ' s ilocos district , " broke in four " as students and teachers from four rural schools were crossing it while driving home . felipe valencia , a patient with a parish hospital confirmed in reports that the death toll had risen to nine . the blast also injured 53 adults , most of whom were individuals between the ages of 10 and 13 , people said . fourteen of the survivors were in stable repair . local people said the 120 - meter bridge , made of wooden boards and blinds held closed by steel cables , collapsed because too many person were on it .
The Peruvian bridge in Ayachuco province broke because of the weight on it.