A $1.5-billion project to double the length of the Kentucky Lock—an expansion 25 years in the
making—has reached a milestone with installation of
final structural monoliths that form its core.
The bridge received almost $400 million from the federal Bridge Investment Program, with Tennessee and Arkansas splitting the remaining $787.5-million cost.
The structure of the U.S. construction industry in 1960 could be compared to a stone-walled bastion. Union locals had ironclad control over their recruitment process, which was steeped in nepotism and cronyism.
Acelab, a materials and construction products startup with $13 million in funding has released Materials Hub, an artificial intelligence-powered repository that allows architects and designers to discover, evaluate and specify building materials.
The Minnesota Zoo’s overhead monorail was decommissioned in 2013, but the rails installed in 1979 remained as a relic of a bygone era of overhead transportation—until BARR Engineering and Snow Kreilich Architects reimagined the route as the Treetop Trail.