Krissssy's+Science+Project


 * How long is the Rialto bridge?:** It has a 24-foot arch. It is 48 meters long and 22 meters wide.


 * When and where was your bridge bulit?:** it was bulit in 1588 in Venice, Italy. It was designed by Antonio da Ponte


 * What does your bridge go over?/What does it connect?:** it goes over water. There is shops on each side of the bridge


 * What type of bridge is it?:** arch bridge


 * What type of challenges did the architects have when buliding the bridges?:** They were afraid the bridge was to heavy and it was going to collaspe


 * How long did it take to bulid your bridge?:** 3 years


 * How many cars use this bridge every week?:** Cars are not allowed on the bridge. Its only for people to cross the river.

~** It was only way to cross the grand canal on foot. ~ It has three walk ways ~ it consists of steps ~ Archects predicted it would collaspe ~ boats still ride under the bridge, but there isn't enough room for tall ships
 * Interesting facts or stories about your bridge:


 * Has your bridge needed repairs/What condition is my bridge in now?:** Its in a decent condition. Sometimes pieces of the bridge begin to break or collaspe, but are replaced by wood instead of stone. (it is faster to replaces with wood than stone)


 * What forces act on the bridge?:** The force is compresion and it starts from the key stone and out.


 * What was the cost to make the bridge?:**

pros: it was cheap, fire proof and weath proof strong Cons: it cracks with weather tempature
 * What materials were used to make the bridge?:(pros&cons of the materials)** It was made out of stone.