Why Type Am I? Think you know your bridges? Here's your chance to prove it! Read the clues below and decide for yourself which bridge type each clue is describing. Good luck! I can be designed of steel, stone, or brick. I can be built over water and still let boats through without moving- letting them go under is my trick! Swing Bridge Lifting Bridge Arch Bridge Suspension Bridge Beam Bridge You've definitely heard of my variety in San Francisco, I'm always just "hanging" around. I may look a bit more delicate than others, but actually, I'm very sound! Swing Bridge Lifting Bridge Arch Bridge Suspension Bridge Beam Bridge I depend on the principle of equilibrium. I certainly need a counterweight. Large ships can get under me, but a few cars might have to wait. Swing Bridge Lifting Bridge Arch Bridge Suspension Bridge Beam Bridge I am the simplest type of bridge and I am usually quite short. If you go hiking, you will see me, but I will usually have support. Swing Bridge Lifting Bridge Arch Bridge Suspension Bridge Beam Bridge I require a bit of room and I use a pivot to get around. I'm great news for boats that travel near flat ground. Swing Bridge Lifting Bridge Arch Bridge Suspension Bridge Beam Bridge