Bridge Quiz: Moving Roads and Boats in the Sky
6 engineering questions about rising roads, iron waterways and the forces that keep a crossing standing.
- Questions
6 - Length
About 4 min
Spoiler: show the questions 6 questions
- When Tower Bridge opened in 1894, what powered the pumps for its lifting mechanism?
- Each half of Tower Bridge’s roadway tips like a seesaw. What balances it?
- A steel bridge grows longer in the heat. What keeps it from buckling?
- What does the weight of a suspension bridge’s roadway do to the main cables?
- A bridge carries canal boats across a deep Welsh valley. Which parts hold up the canal?
- What supports the roadway between these towers?