About two decades ago, the DOT began planning to replace the 2.5-mile series of viaducts that carry I-84 through much of Hartford.

Source: https://ctmirror.org/2023/01/06/ct-hartford-400-highway-traffic-plan-transportation-department/

It would run through a number of North Cork towns and villages, incorporating landmark bridges and viaducts, including the iconic Carrigabrick viaduct spanning the River Blackwater in Fermoy.

Source: https://www.independent.ie/regionals/cork/news/north-cork-to-waterford-greenway-plan-causing-serious-concerns-for-many-local-farmers/a1170777666.html

Research and construction works have also been initiated for road infrastructures and viaducts that are likely to be damaged in a possible disaster.

Source: https://www.hurriyetdailynews.com/measures-to-be-taken-for-buildings-near-istanbuls-main-highway-182448

Still heading west, after the gill a train went through Barras – the highest mainline station in England when it opened and one of the most remote – before coming to the most stunning of the viaducts: Belah.

Source: https://www.darlingtonandstocktontimes.co.uk/news/23952190.lost-journey-amazing-viaducts-englands-highest-railway/?ref=rss

The first and second viaducts were built in the 1970s.

Source: https://newsinfo.inquirer.net/1791403/construction-of-3rd-viaduct-in-nlex-begins-ppp-funded-projects-lauded