Eads plan was based on a similar technology used in Europe: that of using caissons. This demonstration shows the step-by-step process of constructing one of the piers and explains this amazing ...

Collar: A device placed around a bridge pier to alter flow patterns and reduce ... used to protect soil from erosion and scour. Skirted Caisson: A type of foundation design that includes a skirt ...

A caisson is a hollow structure, typically a box or cylinder, vital to many bridges' structural integrity — and necessary for bridges that require piers, like suspension bridges. The caisson is ...