A recently released study by the U.S. Department of Transportation (U.S. DOT) National Bridge Inventory database, reveals that nearly 61,000 bridges across the nation are classified as structurally deficient requiring significant repairs. Based on the data analysis carried out by the American Road & Transportation Builders Association (ARTBA) the 61,000 bridges are crossed by trucks, cars and other types of vehicles 215 million times every day, with the most heavily traveled ones being located along the Interstate Highway System.
According to project handlers the 1km-high Kingdom Tower, “has challenged mankind to outdo himself”! It is also the view of Dr. Hisham Jonah, chief development officer of Jeddah Economic City, whether it is really possible to build even higher in the future. The skyscraper will have 252 floors overall, 167 of which will be occupied. It will also have the world’s highest observation deck. The actual tower will start at 20 meters above the ground floor with the largest floor being an 85,000-m2 parking lot that will house 2,200 cars. At 6,700-m2, the footprint of the structure will be divided into three different entrances for the hotel, residences and offices.
“You hear from Qatar, Azerbaijan and the Emirates that there are plans for towers that are 1.3, 1.5 and 1.6 km high. I wonder how they will reach that,” asked Jomah.
One of the largest problems, according to Jomah, was how to reach 167 floors in 1.6 minutes through the elevators.
Having a time frame of ten years, an extensive levee improvement project is about to hit the ground in Sacramento, with a focus on the Sacramento River south of downtown. The $1.5 billion project comes as the answer to recent changes in flood-control policy.
The Dover Dam rehabilitation project was marked complete by local and federal agencies. The $60 million project aimed in increasing the dam safety and stabilizing the aging flood-control structure. During celebration, officials also stated the need for investments in renovating the aging infrastructure across the country.
Tuesday marked the 126th anniversary of public access to the Eiffel Tower, which opened on March 31, 1889. Throughout its construction it was marked with controversy and deemed a disaster by France’s best aesthetic minds. The hope was that the World’s Fair “gimmick” would be demolished as soon as possible. Today, however, the Eiffel Tower is an icon, a Paris landmark and surprisingly eco-friendly – sort of.
When completed The New Royal Adelaide Hospital (RAH), in South Australia, will be the third most expensive building in the world behind the One World Trade Center in New York City and Bucharest’s Palace of the Parliament ($3.9 and $3.0 billion respectively). The project is expected to be finished by the end of 2016 and will cost $2.1 billion (US) beating both The Shard in London and the Palazzo in Las Vegas (both cost $1.9 billion). The 11-storey hospital, the largest capital investment project in the history of South Australia, will have 800 beds and is expected to admit more than 80,000 patients every year. Designed by Silver Thomas Hanley and Design Inc (STHDI), the facility is being funded exclusively by taxpayers in South Australia and is projected to service the healthcare needs of the state for decades to come.
A great dispute has started in Albion California, with regards to the Albion River Bridge replacement. The bridge is the last wooden bridge along California's coastal highway and Caltrans wants to replace it with an arched concrete structure. A group of residents characterized by supporters of the replacement plans the "sentimentalists" object to the demolition of te bridge as they consider it an element of their eccentricity.