A 26m gap in the deck was recently closed on the bridge that will connect Detroit in the US state of Michigan and Windsor in the Canadian province of Ontario.
Gordie Howe International Bridge between Canada and the US will become the first international bridge to link national trail systems across the border.
The six-lane cable-stayed bridge project includes new customs plazas in both Detroit and Windsor as well as a new link to the I-75 interstate highway in Detroit.
The tolled six-lane bridge over the Detroit River, between Windsor in Canada and Detroit in the US, is costing around US$4.2 billion with an opening date likely in 2025.