Chapter 1
The impossible dream
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Chapter 2
Engineering against the elements
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Chapter 3
The art of international orange
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Chapter 4
A living global icon
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YOUR GOAL
Master of The Golden Gate Bridge
Ch 4 · A living global icon
federico Golden Gate Bridge Iconic Color
Guess what makes the Golden Gate so bright? / That orange, yeah, it was primer at first sight!
Fun Fact
Singing bridge: A 2020 aerodynamic handrail upgrade accidentally turned the bridge into a giant hummer that sings in high winds.
Glossary
suspension bridge (noun)
A bridge having the roadway hung from cables that are supported by towers. Completed in 1937, the historic orange structure spans the strait connecting San Francisco to Marin County.
A bridge having the roadway hung from cables that are supported by towers. Completed in 1937, the historic orange structure spans the strait connecting San Francisco to Marin County.
Quiz
What environmental element causes the most constant damage to the Golden Gate Bridge's steel structure?
Quiz
Which nearby San Francisco bridge suffered a partial collapse during the 1989 Loma Prieta earthquake?
Quiz
Approximately how many people crowded onto the Golden Gate Bridge during its 50th-anniversary walk in 1987?
Quiz
Why did the Golden Gate Bridge start making a loud humming sound in high winds in 2020?
Quiz
What physical change happened to the Golden Gate Bridge deck during its 50th-anniversary celebration in 1987?
Quiz
What natural disaster did the Golden Gate Bridge survive without damage in October 1989?
Quiz
What material is used in modern primers to protect the Golden Gate Bridge's steel from rust?