Ron took Eliza's hand in his and led her off the bridge via the safest way he could. He had his other hand above the railing the whole way, so when part of the bridge caved in, he grabbed the railing under his hand, and held on tight for his and Eliza's life. "Hang on, Eliza!" He encouraged her. He swung her onto the other side of the small chasm that had opened up on the bridge, and once she was safe, pulled himself up. "That was too close!"