The serpentine approaches of the Gordie Howe Bridge are necessary because of the right-of-way available to the P3 project's designers and the ground, weakened by previous salt mining, has taken extensive remediation to ready it for not one but four projects counting the ports of entry and the new Michigan interchange.

The proposed Gordie Howe International Bridge between the U.S. and Canada faces yet another legal challenge from the private owners of a rival, 86-year-old span.