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 $590-million upgrade to Sky Harbor International Airport’s Terminal Three in Phoenix is the building equivalent of liposuction—stripping tons of concrete from the structural bones in order to create a new, light-filled public space.
With the new All Electronic Tolling, or AET, system on the Massachusetts Turnpike going live tonight, demolition work to tear down 23 toll booths on the Turnpike begins this Sunday, according to MassDOT.
Despite the removal of thousands of tons of steel and other debris from the remains of the Didcot A power-plant boiler house after a sudden Feb. 23 collapse killed four workers, three have not been located.
The project’s scope called for complete demolition of a former manufacturing plant at the Interstate Distribution Center in Jenkins Township to prepare the land for up to 1,506,000 sq ft of future development.