Rural Alaska has a bridge problem as permafrost thaws and crossing river ice gets riskier with climate change
America’s bridges are in rough shape. Of the nearly 620,000 bridges over roads, rivers and other waterways across the U.S., more than 43,500 of them, about 7%, are considered “structurally deficient.” In Alaska, bridges face a unique and growing set of problems as the planet warms. Permafrost, the frozen ground
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