Name ______________ 1. Name the type of bridge shown in each photograph. ____________ ____________ ____________ ____________ 2. The beam bridge consists of a horizontal beam supported by vertical ______________. 3. The truss bridge consists of a series of __________________ made from a series of straight ___________________ bars. 4. What type of bridge is shown in the picture below and who is given credit for its design? 5. What type of bridge is shown in the picture below and what is the advantage of this type of bridge design? 1 The Bridge Challenge Bridges need to be built at each of the four locations shown in the diagram. Your job is to investigate the type of bridge that is appropriate for each location and make recommendations. Location 1: Multi-lane bridge for commuters and tourists Location 2: Footbridge across a stream Location 3: Highway bridge across a busy shipping port Location 4: Railroad bridge in a national park Location 1 What type of bridge should you build? Circle one. Beam Suspension Arch Drawbridge Since the mayor thinks that this type of bridge is too ugly but is the right choice, a suggestion that it be made more out of concrete than steel. Another possible choice that is acceptable to the people is the ________________________________. Location 2 What type of bridge would you recommend? Circle one. Beam Suspension Arch Drawbridge 2 Why is this type of bridge the best choice for the location? Since this location is prone to flash floods, the bridge should be modified. What modifications would you make? Draw a diagram to show your changes. Location 3 What type of bridge is suitable for this location? Circle one. Beam Suspension Arch Drawbridge Since this location is subject to high winds, how would you make sure that it was not damaged by wind loads? Draw a diagram of your strengthening modification. What famous bridge disaster led to this solution? ___________________ Location 4 What type of bridge is suitable for this location? Circle one. Beam Suspension Arch Drawbridge What type of material would you use so that this type of bridge will last a long time and is stronger and lighter than concrete? 3 Famous Bridges Use the Wonders of the World databank to select an example of each of the four types of bridges. Fill in the chart to provide some of the details about the bridges you have chosen. An example is done for you. New River Gorge Bridge Vital Statistics: Location: Fayetteville, West Virginia, USA Completion Date: 1978 Cost: $37 million Length: 4,224 feet (4224÷1.6 = 2640m) Type: Arch Purpose: Roadway Materials: Steel Longest Single Span: 1,700 feet Name Type Length Purpose Materials Completion Date New River Gorge Arch 2640m Roadway Steel 1978 Confederation Bridge There are some interesting bridges listed in the Bridges Webography. 4 Quiz Name ______________ Label the diagram of the four basic bridge types and the special modifications of those types. _____________________ _____________________ _____________________ T ypes of Bridges _____________________ ___________________ _____________________ _____________________ ___________________ 5