What bridge collapsed in San Francisco earthquake?
San Francisco–Oakland Bay Bridge
The collapse of the Cypress Street Viaduct (Nimitz Freeway) caused most of the earthquake-related deaths. The San Francisco–Oakland Bay Bridge was also damaged when a span of the top deck collapsed. In the aftermath, all bridges in the area underwent seismic retrofitting to make them more resistant to earthquakes.
Why did the Oakland Bay Bridge collapse?
On the evening of October 17, 1989 during the Loma Prieta earthquake, which measured 6.9 on the moment magnitude scale, a 50-foot (15 m) section of the upper deck of the eastern truss portion of the bridge at Pier E9 collapsed onto the deck below, indirectly causing one death.
What Freeway collapsed in San Francisco?
Cypress Freeway
The Cypress Freeway Memorial Park is located in Oakland, at 14th Street and Mandela Parkway….
| Cypress Street Viaduct | |
|---|---|
| Existed | June 11, 1957–October 17, 1989 |
| History | 1957–1984 as SR 17, 1984–1989 as I-880 |
| Major junctions | |
| North end | I-80 / I-580 in Oakland |
Did the Golden Gate Bridge collapse during an earthquake?
Although the Golden Gate Bridge suffered no observed damage from the Loma Prieta quake, since the epicenter was located some 60 miles to the south, the earthquake became a catalyst for the extensive seismic retrofit program that the historic structure is undergoing today.
How deep is the water under the Bay Bridge?
370 feet
Maybe you’ve already done it and had no idea – you’ll find the deepest water in our Golden Gate Bridge race just under the bridge at over 370 feet.
How many people died on the Nimitz Freeway?
42 people
The Cypress section of the Nimitz Freeway completely collapsed and 42 people were killed along more than a mile of Interstate 880.