[FBD]

There's already both a railway bridge and a highway from Kerch to Russia, isn't there?

http://www.ukraine-travel-advisor.com/images/BigMap-auto.jpg

[goldstategop]

A ferry. Russia has budgeted funds to build an auto/rail bridge over the Kerch Straits between Krasnodar and Crimea, eliminating the need for the ferry. It should create a permanent link between the Russian mainland and the Crimean Peninsula.