High-speed rail could land on new High Level Bridge

Alberta's passenger rail master plan could reshape Edmonton's most iconic bridge. The province is expected to release a 15-year rail strategy in coming weeks, just as city council considers replacing the 113-year-old High Level Bridge — and officials say any new span should accommodate high-speed trains.

The business case is stark: rehabbing the original bridge for another 75 years costs an estimated $1 billion. Building a new High Level and Low Level bridge together would run roughly $1.3 billion — comparable to the recent Capital Line South LRT expansion to Ellerslie. If the province aligns its rail plans with the city's bridge work, there's hope provincial funding could follow.

But the engineering is thorny. The river valley itself is the constraint. A modern High Level would need to be longer, taller, and wider than the current structure to accommodate driving lanes meeting modern standards, plus streetcar service, multi-use paths, and potentially a rail line. Georg Josi, a structural engineer with DIALOG, noted the north bank leaves "just not much space to get that in."

The weight of a passenger rail line wouldn't be the problem, engineers say. The logistics are. "Logistics are significantly more challenging and more complicated with a bridge of this scale, size, length, and height above the river valley," said Neil Robson, also with DIALOG.

Councillor Michael Janz said a possible downtown-to-airport route could work, though it would need to weave through dense neighborhoods. He'd welcome a stop near Whyte Avenue or the U of A. For now, the province's plan will shape what comes next.