What caused the bridge to collapse?
The NTSB cited a design flaw as the likely cause of the collapse, noting that a too-thin gusset plate ripped along a line of rivets, and additional weight on the bridge at the time contributed to the catastrophic failure.
Why was the bridge at Hangzhou is arched so high above the canal?
This form was chosen for this project because of the strength of the cable stayed bridge in adverse conditions. The bridge was constructed in the Qiantang River and Yangtze River Deltas and Hangzhou Bay, which all experience some of the highest tidal bore forces on the planet.
How many people died when the bridge collapsed?
I-40 bridge disaster
| The collapsed section of the Interstate 40 bridge, May 31, 2002 | |
|---|---|
| Date | May 26, 2002 |
| Type | accident |
| Cause | Towboat collision with a bridge pier, caused by captain losing consciousness |
| Deaths | 14 |
What is the lifespan of a bridge?
The average bridge in the U.S. is 43 years old. Most of the country’s bridges were designed for a lifespan of 50 years, so an increasing number of bridges will soon need major rehabilitation or retirement.
Can you name three things that might cause a bridge to collapse?
Earthquakes, flooding and high winds can all contribute to bridge collapses.
What country is home to the longest canal in the world?
The Grand Canal is a series of waterways in eastern and northern China starting at Beijing and ending at the city of Hangzhou in Zhejiang province, linking the Yellow River with the Yangtze River.
What is the longest bridge in the world over water?
the Lake Pontchartrain Causeway
The world’s longest continuous bridge over water is the Lake Pontchartrain Causeway in southern Louisiana. The causeway is actually two parallel bridges, with the longer of the two measuring close to 24 miles (39 km), according to Encyclopaedia Britannica.
