a pulling or stretching force that tends to lengthen objects.

a bridge that forms the shape of an arch

a bridge is hung from cables

a long, rigid, horizontal support member of a structure

the columns of a bridge

a bridge that consists of beams supported by columns

person who applies her/his understanding of science and mathematics to creating things for the benefit of humanity and our world

a long, rigid, vertical support member of a structure

the “top” of the bridge on which we drive or walk

the length of a bridge between two piers

a pushing force that tends to shorten objects