So it is time to choose a career! This time has been coming all your life and it will have a significant effect on everything that comes after. You owe it to yourself to give this decision all the thought and study that it deserves. So think big! Infrastructure is definitely big! Roads, bridges, dams and other public-works projects can be huge – the biggest things most people encounter on a regular basis. Infrastructure is also one of those things that people sometimes look right past, like it is not even there. Roads and bridges that people use every day exist mostly in the background. Most people do not give them much thought until they break down or fail to keep up with the times.