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Historic Civil Engineering Landmarks Quiz

Since the first ASCE Historic Civil Engineering Landmark was designated in 1966, a total of 290 projects, sites, and structures in the United States and across the world have been honored for their engineering significance. How much do you know about ASCE’s national and international landmarks?
1. As might be expected, bridges constitute the majority of landmarks. How many bridges have been designated landmarks?
2. After bridges, which type of infrastructure has been designated second most often?
3. Which country aside from the United States has the most landmarks?
4. Which U.S. state contains the most national landmarks?
5. Which landmark is the northernmost in the 48 contiguous United States?
6. Which landmark is the farthest south worldwide?
7. Which landmark is the oldest?
8. Which landmark most recently received the designation?