Lake Pontchartrain Causeway in Louisiana is the longest bridge in the U.S. and is the longest bridge over water in the world.

Add Yahoo as a preferred source to see more of our stories on Google. 0 intro bridge Suspension bridges are among the most imposing and inspiring structures in the world. The engineering and design ...

The Lake Pontchartrain Causeway connecting Metairie and Mandeville is among the world's longest bridges, a fact that many of its commuters are likely acutely aware of when they glance out across miles ...

Rainbow Natural Bridge surrounded by red rock landscape in Utah - Stephen Moehle/Shutterstock When you see a natural bridge, it's almost hard to believe that it wasn't secretly human-made. Seemingly ...