Building top-down involves constructing the bridge structure prior to completing the majority of the excavation for the underpass of the bridge.Metrolinx has been constructing a new rail bridge since June at Steeles Avenue East near the Milliken GO Station.

Since June, the construction team has been focused on advancing this work and recently completed a concrete pour of the bridge deck. This pour was a significant milestone as it connects the substructure elements (abutments and pier) with the superstructure (deck), completing a critical phase of construction. With the entire structure in place, several new phases of construction are ready to begin.

A substantial amount of construction is going on near the Milliken GO Station along Steeles Avenue East in Scarborough, Toronto, Canada. It’s a major project that will see the existing Stouffville line tracks just east of Kennedy Road separated from the road.

The big picture road under rail plan includes crews lowering existing Steeles Avenue East, between Silver Star Boulevard/Old Kennedy Road and Midland Avenue, so road users can move freely below, while GO trains and customers get to their destination above via a new rail and pedestrian bridge.

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