How do engineers account for continental drift when building bridges and tunnels?

Question

How do engineers account for continental drift when building bridges and tunnels?

In: 8

Answer 1

[Most structures are built with expansion joints](https://en.m.wikipedia.org/wiki/Expansion_joint), but those are generally only intended to handle day to day movement from things like shifting load, wind, temperature change, and earthquakes that don’t reposition different parts of the structure elsewhere.