Blake built a model of the Brooklyn Bridge. He told the class how John Roebling, who designed the bridge died before it was built. His son, Washington Roebling was put in charge of construction, but was debilitated by a case of 'the bends' or 'caisson sickness'. His wife, Emily Roebling, became the link between her husband and the workers as she oversaw construction for eleven years.
Maddie and Emily built a model of the Moses Bridge and shared a poster of facts.
Jackson researched the London Tower Bridge and created a poster to share what he learned.
Isabelle built a model of the Golden Gate Bridge.