What Are Five Different Types of Bridges?
Bridges range from simple and short to complex and lengthy. One Lane Bridge Sign near a Covered Bridge image by Rob Hill from Fotolia.com There are over 500,000 bridges in America alone, according to a PBS.org’s “Bridge Basics.” Bridges provide a means of transportation both for daily commutes and for product distribution. Although bridges have been built since ancient times, modern advancements have allowed for new innovations and designs. Arch Bridges Arch bridges have been built since ancient times. Twin arched bridge on Dartmoor image by Andrew Real from Fotolia.com An arch bridge uses simple natural forces for support and can be about 800 feet to 1,000 feet in length. The bridge consists of two supports that meet in the middle to form an arch-shaped bridge. Arch bridges date to ancient times, when the Romans made them out of stone. Now they are normally composed of concrete or steel. West Virginia’s New River Gorge Bridge is an example of an arch bridge. It is composed of steel an
