Check out this video showing **how to build** a **bamboo** **bridge** across the **river**! The entire **building** process ...

As the oldest operating vertical lift bridge in the U.S., Portland's Hawthorne Bridge is prone to frequent closures and ...

You drive over bridges every single day, some in better shape than others. But have you ever wondered what kind of maintenance that bridge needs to withstand the weight of thousands of vehicles and ...