Bridges

Introduction

Bridges are very important they are a structures that help you get across obstacles they first orginated in the ancient times where they were only built out of logs,stone and dirt beacsuse of that they were small and couldn't go over far distances, today we have big powerful bridges.Did you know the first welded road bridge by the engineer Stefan Bryla in 1927. This WebQuest will help you have a better understanding about how bridges first orginated.

Process

1.Who made the first bridge?

http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=ab97

2.Where was the first bridge made?

https://theconstructor.org/structures/history-of-bridges/5491/

3.how many workers did it take?

http://www.australia.gov.au/about-australia/australian-story/sydney-harbour-bridge

4.how many people died or got injuried in the process of building ?

http://sydney-harbour-bridge.bostes.nsw.edu.au/building-the-bridge/death.php

5.What machines were used?

http://www.dormanlongtechnology.com/en/Products/strand_jacks.htm

http://www.heavyequipmentarticles.com/heavy-equipment-that-builds-bridges/

https://www.roadsbridges.com/equipment

Evaluation

2 marks per question

Conclusion

by the end of this webquest you should have a good understanding about who made the first bridge and where it was made and the overall question on how it orginated.

Credits