What are the advantages of ribbon (inverted arches) bridges?

The more a arch bridge is used, the stronger it gets. This is because the materials compact closer and closer together, giving an even firmer foundation. The Disadvantages of Arch Bridges. 1. They Take A Long Time To Build Arch bridges have to be built in a very specific and meticulous way. This requires a very large amount of labor and time to construct. read more

Forces that come into play in bridge design and engineering include compression, tension or stretch, deck flexibility, torsion or twisting and shear, the force that stresses the bridge materials laterally across the bridge deck. One of the oldest arch bridges still in use today, a testament to its Roman engineering, includes the Ponte dei Quattro Capi bridge which dates back to 62 B.C., and spans half of the Tiber River in Rome Italy. read more