How Do You Build A Cantilever Bridge?
Bridges are built in one of three main types: beam, arch and suspension. All three types can and do incorporate cantilevers, beams supported at only one end that transfer weight to the supporting structure, thereby allowing overhanging structures without external bracing as well as longer bridges that wouldn’t be possible without them. Here’s how to build a cantilever bridge. Measure the distance to be spanned by the bridge. This will determine first the basic bridge type called for-beam, arch or suspension-and whether the cantilevers can be connected directly to each other in a simple span or require a central truss bridge to be placed between them in a suspended span. Place foundation piers to provide vertical support for the overall span. For short bridges, these are not required; however, most bridges have at least two placed at equal distances from the positions to be spanned. Build cantilever arms toward the center of the span and also toward the supporting foundations at the end
