A horizontally curved, precast- concrete, trapezoidal type of box-girder design that shaved some $9 million off an interchange project in Orlando, Fla., is attracting growing interest from the bridge engineering industry.
Just weeks after opening the new Gold Line Foothill Extension, the Los Angeles County Metropolitan Transportation Authority (Metro) hopes to expand that light-rail system again, along with many other projects.
Hopeful signs are emerging on Capitol Hill that Congress will pass a Water Resources Development Act, or WRDA, this year, just two years after the last one became law.
There is movement in Congress on a long-term Federal Aviation Administration reauthorization and a stopgap to keep the agency’s programs going for a few more months.
When “I Lift NY,” formerly known as the Left Coast Lifter—one of the world’s largest floating cranes—hoisted a 645-ton crossbeam into place this February, it marked a milestone in the construction of the $3.9-billion replacement of the Tappan Zee Bridge over the Hudson River, 30 miles north of New York City.
Washington, D.C.’s Metrorail was once a model for public transit in the U.S. On the eve of its 40th birthday, the system is rife with safety, operational and management problems.