Virtual Discovery

Golden Gate Bridge

The Golden Gate Bridge was a marvel of modern engineering when it opened to traffic in 1937 after four years of construction. The world-famous suspension bridge stretches 1.7 miles over the Golden Gate Strait, and is made of over 83,000 tons of structural steel & 389,000 tons of concrete.

Design Engineer

Charles the design engineer developed the detailed structural designs and specifications for the bridge to ensure it performed as predicted under applied pressure.


John the fabricator created the two main cables of the bridge by cutting and assembling galvanized carbon steel using precise calculations and special machines.

Safety Specialist

Edward created the modern industrial hard hat in response to worker injury due to falling rivets, ensuring safety on the site during the project.