"The prospect of a tunnel instead of a bridge project was the first question posed to the transportation departments of Minnesota and Wisconsin during an online public meeting Thursday about the future of the Blatnik Bridge."

Now I am thinking, to what end? To support the German tunnel boring machine industry even more?

This country is wasting its potential by spending its money on German and Japanese TBMs.

https://www.duluthnewstribune.com/business/transportation/6649373-Could-Blatnik-Bridge-replacement-be-a-tunnel