About this video
This video shows how engineers carefully took down old bridges to make way for new ones. It explains why demolition is a big job and not as simple as just blowing things up! You'll even see some explosions at the end.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 How many bridges crossed the Mississippi River in this video?
Answer: Two
Q2 What year were the original I-74 bridges built?
Answer: The 1930s and 1950s
Q3 What is the name of the river these bridges cross?
Answer: The Mississippi River
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