Italy's government gave final approval on Wednesday to the construction of what will be the world's longest single-span bridge, linking Sicily to the mainland, despite environmental, financial and other concerns that have delayed it for decades.

Italy cleared the way Wednesday to build the world’s largest suspension bridge linking the Italian mainland with Sicily in a massive 13.5 billion euro ($15.5 billion) infrastructure project that has been long delayed by debates over its scale,

The government says the road and rail link will create jobs and lift the economy of the region, but critics are concerned about the environmental and social impact.