sarah lewandowski & lianna groeneveld. total length: including approaches, 1.7 feet middle span:...

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GOLDEN GATE BRIDGE Sarah Lewandowski & Lianna Groeneveld

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Page 1: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

GOLDEN GATE BRIDGESarah Lewandowski & Lianna Groeneveld

Page 2: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

FACTS ABOUT THE GOLDEN GATE BRIDGE Total length: Including approaches,

1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high

water :220 feet

Page 3: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

MORE FACTS

Total weight today: 887,000 tons Towers:

746 feet above the water. 500 feet above the roadway. Each leg is 33 x 54 feet Towers weigh 44,000 tons each There are about 600,000 rivets in EACH

tower.

Page 4: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

FACTS CONT.

The Golden Gate Bridge was the longest span in the world when it was finished, until the Verrazano Narrows Bridge was built in New York in 1964. Now,it still has the seventh longest main span in the world.

The Golden Gate Bridge connects San Francisco with Marin County .

Page 5: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

FACTS CONT.

It is a 1.7 mile-long suspension bridge that can be crossed by car, on bicycles or by foot.

The Golden Gate Bridge is one of the most photographed, bridges in the world.

After 4 years of construction, the golden gate bridge was completed at a cost of $35 million, and was opened to traffic on May 28, 1937 at noon.

Page 6: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

IN COMPARISON...

Brooklyn bridge is the oldest suspension bridge is in the U.S.

They both (the Brooklyn and the Golden Gate Bridge) were very dangerous when being built.

Both had huge opening celebrations. Brooklyn use to have the longest span. Over 1,200 people have commited suicide

on the golden gate bridge since 1939. Only 40 have commited suicide on the

brooklyn

Golden Gate Bridge Brooklyn Bridge

Page 7: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

THE STEPS OF BUILDING THE GOLDEN GATE BRIDGE

The people voted weather or not to build the bridge.

Work on the bridge began on January 5, 1933. 

The south pier had to be built 1,100 feet from land in water 65 feet deep

Finished Pier, January 15, 1935 At each end of the bridge an

anchorage was built to receive the two cables.

Page 8: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

STEPS CONTINUED

The first concrete of the bridge was poured January 19, 1937.

Just three months before opening day, a scaffold beneath the roadway broke loose, ripping through the net, making it fall into the water.

Opening Day, May 27, 1937

Page 9: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

PEOPLE WHO WORKED ON THE GOLDEN GATE BRIDGE

200 people worked on it The engineer was Joseph B. Strauss The Bridge was built by 10 different

prime contractors and their subcontractors.

Eleven men died while working

Page 12: Sarah Lewandowski & Lianna Groeneveld. Total length: Including approaches, 1.7 feet Middle span: 4,200 feet Width: 90 feet Clearance above the high water

PICTURE SOURCES

http://www.sftravel.com/Golden-Gate-Bridge-Map.html