![]() ![]() It has walkways on either side of the six lanes. Besides vehicles, bicyclists and pedestrians also use the bridge. About 110,000 vehicles use the Golden Gate Bridge daily. The speed limit on the bridge is 72 km/h to reduce the fatalities. The movable median barrier separates the northbound and southbound traffic and can be moved depending on the traffic. The Golden Gate Bridge, opened on May 27, 1937, has six lanes and carries both California State Route 1 and the US Route 101 over the Golden Gate Strait. Usage Traffic on the Golden Gate Bridge on a cloudy day. The color, selected by Irving Morrow, makes the bridge visible in fog and complements the area’s natural environment. The bridge’s color is international orange or orange vermilion. Attached to the main cables are vertical suspender ropes (250 on each side of the bridge). The cables are each made of 27,572 wire strands. The bridge is 2.7 kilometers long and 67 meters high above the water and has two towers overpassed by two main cables fixed on concrete. The Golden Gate Bridge's main span is 1,300 meters long, the 2nd longest main span in America and 18th in the world. Structural Overview Classic aerial view of the famous Golden Gate Bridge with the skyline of San Francisco in the background on a beautiful sunny day. The legislature passed a bill allowing for the bridge’s construction, with the work commencing a decade later. Strauss submitted the sketch design in 1921 and immediately began to convince the Northern California communities to support the project. Joseph Strauss, an ambitious Chicago-based engineer, who landed the job, believed the project would cost $17 million. ![]() Three years later, Michael O'Shaughnessy, another city engineer, was tasked with finding a person to construct the bridge at a reasonable price. In 1916, San Francisco City Engineer, James Wilkins, estimated the cost of constructing a bridge across the strait to be $100 million ($2.4 billion today). ![]() Editorial credit: Blanscape / Īlthough some experts believed it was impossible to build a bridge across the 1.6-kilometer Golden Gate Strait because of the strong wind and tides, the public continued their demand. Statue of Joseph Strauss near the Golden Gate Bridge. The bridge would ease traffic and improve the area’s economy that was below the national average then. The public began demanding for a bridge that would connect San Francisco to the neighboring communities across the Strait. Over the years, the number of passengers across the Golden Gate Strait increased significantly. However, it was not until the 1840s that the ferry services began operating on regular schedules. Conception View of the Golden Gate Bridge at night.īefore the Golden Gate Bridge’s construction, San Francisco was mainly connected to Marin County by boats and ferry services. ![]() The American Society of Engineers declared the bridge a Wonder of the Modern World. The Golden Gate Bridge is one of California's iconic symbols and most photographed bridges in the world. However, it is currently the world’s 12th highest suspension bridge and 37th tallest bridge. Constructed between 19, it was the world’s tallest bridge upon its completion. The bridge spans the 1.6 kilometer Golden Gate Strait where San Francisco Bay connects to the Pacific Ocean. Golden Gate Bridge is an iconic 2.7 kilometer long suspension bridge linking Marin County to San Francisco, California. ![]()
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