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a rigid frame composed of short, straight pieces joined to form a series of
triangles or other stable shapes
Choose an answer
1 girder 2 purlin
3 truss 4 cable
, Cantilever bridge a projecting bridge supported only at one end, like
a shelf bracket or a diving board
Cable-Stayed a bridge in which the roadway deck is suspended
from cables anchored to one or more towers
Truss bridge a type of beam bridge, reinforced by a framework
of triangles. Ideal for short spans that need to carry
a bit more weight than basic beam (trains)
Arch bridge a curved structure that converts the downward
force of its own weight, and of any weight pressing
down on top of it, into an outward force along its
sides and base