Beam bridge -weakness beam bridges are mostly made of concrete.And concrete comparatively is not that strong. Strengths -beam bridges are for people and bikes and so it is good for short distance
Cantilever bridge strengths - The strengths of cantilever bridge is that it has lots of triangles and triangles are very stable and strong. weakness-If it gets to stormy or if there is a earthquake it will collapse. suspension
Suspension bridge strength -A suspension bridge is very flexible. Weakness- if it gets too stormy the suspension bridge will wobble and collapse.
Arch bridge -strengths A arch bridge can carry certain amount of cars depending on its size Weakness- It has a limited span.
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