John Hennessy III,
P.E.
Infrastructure is a crucial component of a prosperous society. Solid infrastructure connects people together, serves our communities, expands our economy. Bridges are some of the most recognizable symbols of man-made infrastructure, both appealing to the imagination and crucial to our thriving societies.
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In this Caltrans News Flash, District 4 Public Information Officer Alejandro Lopez provides an overview of the September 8, 2018, implosion of two marine foundations of the old San Francisco-Oakland Bay Bridge.
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Developing new ways to construct and preserve America’s roads, bridges, and other forms of infrastructure.
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I-105 bridges and ramps between the Delta Highway interchange and downtown Eugene will be repaired, repaved and get seismic upgrades this summer.
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Freight transportation is vital to the U.S. economy and the daily needs of Americans throughout the country. Households and businesses depend on the efficient and reliable delivery of freight to both urban and rural areas. Federal support for freight increased under the Fixing America’s Surface Transportation (FAST) Act, as the FAST Act included provisions to define, establish, and provide funding for a national highway freight program. The FAST Act freight provisions were designed to address significant needs in the transportation system to ensure that projected increases in freight volumes can be handled efficiently across all transportation modes.
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This video shows the options available for the public at the 2018 Annual Bridge Walk, scheduled for Sept. 3.
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Watch as the Oklahoma Department of Transportation prepares, counts down and presses the button to blast the US-412 Bridge into the Verdigris River.
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Bridges and other structures fall down relatively often, and every time it happens we wonder if we could have known earlier that there was a problem. What if we could use images from satellites to predict when (and what) might be at risk? Sakthy Selvakumaran is here to show us how. Sakthy Selvakumaran has worked as a civil and structural engineer in multiple roles, continents and cultures before returning to academia.
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Already a marvel of 20th century engineering, the new Bayonne Bridge is now also a 21st century sensation. Since 1931, the iconic superstructure, formerly the world’s largest steel arched bridge, has spanned the Kill Van Kull, one of the most heavily traveled cargo-carrying waterways, accessing the port of New York and New Jersey. Engineering firms HDR and WSP USA joined forces to modernize the bridge and allow larger ships to cross under it. At the Engineering Excellence Awards Gala, hosted by ACEC on April 17th, Milestone 1 of the “Raising the Bayonne Bridge” project was awarded the highest honor of “Grand Conceptor.”
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Illinois’ roads, highways and bridges form vital transportation links for the state’s residents, visitors and businesses, providing daily access to homes, jobs, shopping, natural resources and recreation. Modernizing Illinois’ transportation system is critical to quality of life and economic competitiveness in the Prairie State. Inadequate transportation investment, which will result in deteriorated transportation facilities and diminished access, will negatively affect economic competitiveness and quality of life in Illinois.
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