Caltrans engineers are scrambling to replace Pfeiffer Canyon Bridge, a 317-ft-long, concrete continuous box-beam bridge on a key coastal highway after mudslides moved one of the support columns more than a foot, causing the span to crack and bow.
A trio of spillway failures at the 770-ft-tall earthfill Oroville Dam that prompted the evacuation of more than 188,000 people from central California has renewed questions about the reliability of hundreds of dams in the state and more nationally.
California high court nixes suit challenging a winning competitor's alleged failure to pay prevailing wages, while an assembly bill would make state the first to weigh carbon costs of materials in bid selection.
It took Flint, Mich.’s water issues, which rose to a crisis level last year with news of the city’s extensive lead-tainted supply, to catapult sector needs higher on legislative agendas and into the public consciousness.
The 645-ft Millennium Tower—the tallest reinforced concrete structure in the Western United States—is sinking and tilting, and the building owner places the blame squarely on the adjacent Transbay Transit Center project.