In addition to cost, list a variable to optimize in the design of a bridge. Also, list a constraint involved in the design

For example, could you describe a situation in which completion time would be a variable that we need to consider (and could it possibly be a constraint at the same time and how?). Anyways, consider looking online for supporting evidence for why this variable/constraint is important. Here is an example but please don’t use it or find a different one.

Video showing pillars sinking into the ground (Green Bay, WI): https://www.youtube.com/watch?v=TOAacer90sc

In addition to cost, list a variable to optimize in the design of a bridge. Also, list a constraint involved in the design

For example, could you describe a situation in which completion time would be a variable that we need to consider (and could it possibly be a constraint at the same time and how?). Anyways, consider looking online for supporting evidence for why this variable/constraint is important. Here is an example but please don’t use it or find a different one.

Video showing pillars sinking into the ground (Green Bay, WI): https://www.youtube.com/watch?v=TOAacer90sc