How Do You Build An Arch Bridge?
An arch bridge is the oldest and strongest type of bridge; some of these bridges have survived from ancient Roman times. Most of these bridges are not built of stone anymore, but of structural steel members bolted together, possibly in combination with one of the other types of bridge design. Here are the details of how to build an arch bridge. Design your bridge with the placement of the arch and roadway in mind. The type of arch most people think of is under the roadway, however some arch bridges are built so the roadway goes through the arch and is suspended from it. This would be a combination of an arch and suspension bridge. Excavate and prepare the banks for the building process. This might include excavating to bedrock for placement of the ends, or abutments, of the arch, or placing concrete anchors to bear the weight of the arch and its load. Construct the arch up from both banks. The arch will be completely unstable until both ends meet, so depending on the type of material,
