  I do not think your stated reason is plausible (i.e. inserting the third name - Don Young's Way - accommodates the small percentage of people who never heard of the other two names for this bridge), but even if you're sincere using a third name for the bridge is still overkill, it still slimes Palin with the notion that she is merely catering to Don Young's vanity, and it is still not supported by consensus.