A worker is in serious condition after an accident at a Sound Transit construction site in Mountlake Terrace, according to officials. The 40-year-old man was taken to Harborview Medical Center. He ...

Initial reports suggested it was a "bridge collapse"; however, FDOT clarified that the incident happened during a concrete pour in the work zone.

Reinforced autoclaved aerated concrete (RAAC) is a lightweight form of concrete that was used in schools, colleges and other building construction from the 1950s until the mid-1990s, according to a ...

A professional engineer and concrete repair specialist said he believes “concrete cancer,” a process that happens when steel rods in building structures rust and expand, might have caused the deadly ...