Bridges Crossword Puzzle

QUESTIONS LIST: strength : what do architects like steel?, sandhogs : nickname of the people who emptied caissons by hand?, live load : what are other important forces that an architect has to worry about?, roof : what protects a covered bridge from rain, snow, and sun?, high air pressure : what causes bridge workers and scuba divers to get ill?, movable bridges : what are the types of bridges that can be shifted out of the way?, louisiana : where is the longest bridge in the united states located?, deck : what part of the bridge carries traffic?, dead load : what’s the first force an architect has to worry about?, abutments : what are supports at each end of the bridge?, caissons : what supports underwater bridges?, collapse : why could a stone bridge never be as big as a modern suspension bridge?, span : what is the distance between two supports, wood : what is the material of a covered bridge?