Dive summary:

• Norway wants a quicker trip for people driving its E39 highway along the fjord-laced coast, and that means finding ways to replace ferries with structures – over or under the water.
• An interim planning report for what is estimated to be a $24.5 billion project includes a 4km floating bridge and a 4km floating tunnel as part of the effort to take seven ferries out of the highway system.
• The effort to put structures in place of the boats for fjord crossings also includes a possible 3.7km-long suspension bridge that would take away a world record Italy is only now planning to get with a bridge across the Straits of Messina.

From the article:

Government engineers studying the fixed crossings of seven fjords, which are too wide and deep for conventional structures, say the project is likely to push the boundaries of bridge design well beyond current limits. ...