The Interstate 35 bridge that collapsed in Minneapolis was a truss bridge, one of six main bridge types. Here's a quick ... In a fan design, the cables all connect to or pass over the top of ...

Dr. Nehemiah Mabry, PE, knows a lot about bridges. Nehemiah is a structural engineer and an educator; and he builds bridges for a living. Dr. Mabry sits down with WIRED to talk about all different ...

A dental bridge may need to be replaced every 5 to 15 years, depending on proper care, while implants are considered a permanent solution. There are factors that can reduce the life of all types ...

Four open spans need bridges. You've just been put in charge of deciding which type of bridge is best for each of those four spans. Are you up to the task? Let's find out. First, you'll want to ...