i think Maddie built the most "bridges." She built a bridge to Kumiko, always considering her mother-in-law's feelings and when her father-in-law returned, she had to connect with him. From the very beginning of the book, Maddie was trying to build a bridge to her father by playing the violin for him. When her brother, TJ, returned, she had to reconnect with him. In the end. TJ had to build a bridge to Jo. The best bridges were the ones between Suzie and her grandfather, Maddie's father, and the Lane's father.