1. a)  When did the Golden Gate Bridge open?
b)  How long is the bridge?
c) What was significant about the construction of the Golden Gate Bridge?

2.  Why did crews install a bracing system on the bridge in the 1950's?

3.  What challenges did engineers have to overcome when designing the bridge?

4.  What factors contributed to the corrosion of the bridges cables discovered in the 1970's?

5.  What is the greatest concern of Golden Gate Bridge engineers today?