From time to time I will be posting stories by teachers about how bridges are brought into their classrooms. Spring in Portland Public Schools and in other districts means it’s time to study the big bridges across the Willamette and Columbia rivers. Our first contributor is Rochella Farnand, a third grade teacher at Chapman Elementary School in Northwest Portland. SWW Third grade Chapman students have been building bridges for 15 years. We do the research, write a basic speec