The duma, or lower house of its federal assembly, passed the scheme, which is part of a $4bn project.
Russia annexed the former Ukrainian region last year and ferry operators have since seen traffic increase threefold across the Kerch Strait, business that a fixed span would jeopardise.
The scheme will be managed by Stroigazmontazh, the Moscow Times reported.
It must now be approved by the upper house.
The
