In 1989, after a section of the original Bay Bridge sustained major damage during the Loma Prieta earthquake, it was determined that the San Francisco-Oakland Bay Bridge needed to undergo a major seismic retrofit, ultimately reinforcing and rebuilding every section of the bridge.
The San Francisco–Oakland Bay Bridge project is all about doing it big: from the average number of vehicles using the bridge daily (280,000); to the world’s longest singletower, self-anchored suspension (SAS) span on a bridge and world’s largest concrete pump; to the amount of steel and concrete used.
As it first did 76 years ago, the Hoover Dam is again making its mark in history books. Crews are conquering an engineering feat by constructing the most technically challenging bridge ever to be built in North America, the Colorado River Bridge.
The Gwinnett Braves, the AAA minor league baseball team of the Atlanta Braves, rallied a new line-up in 2009 that included a new name, a different state and a brand new stadium.
Lifting 3.3-million pound precast beams into place proved to be a challenging task for contractors trying to meet an aggressive May 1 deadline on the new Florida Marlins stadium.
Las Vegas continues to invest in culture and the arts with The Smith Center for Performing Arts, a $245 million complex that will house multiple theaters and arts educational facilities.
Set to top out at 1,386 feet in spring 2012, the high rise is being constructed with two concrete cores and concrete on metal decks utilizing an innovative placing system.