The $100 million bridge will span 475 feet across a landslide at Mile 45.
Work is scheduled to resume this month on a bridge that will cross a slumping stretch of the road into Denali National Park. The $100 million bridge will span 475 feet across a landslide at Mile 45, in an area known as Pretty Rocks, where accelerated melting of a rock glacier has closed the road since August 2021.
Mandt said this spring’s work will complete excavation on the west side of the slide, followed by construction of bridge abutments, or foundations. “We all know that climate is changing and even recent trends in the park are showing just progressively warmer temperatures over time, so we want to make sure that the ice that is ultimately helping support the bridge…that ice remains frozen,” Mandt said. “So, the thermosiphon is the tool that’s going to be used to do that.”
Granite Construction Polychrome Pass Pretty Rock Landslide
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