The latest transboundary wastewater flows threaten to delay the urgent repair, rerouting and rehabilitation of a pipe system on the Mexican side of the border serving wastewater treatment plants in both countries.
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.