John Hennessy III,
P.E.
ENVIRONMENT MINNESOTA
Industrial facilities continue to dump millions of pounds of toxic chemicals into America’s rivers, streams, lakes and ocean waters each year—threatening both the environment and human health. According to the U.S. Environmental Protection Agency (EPA), pollution from industrial facilities is responsible for threatening or fouling water quality in more than 14,000 miles of rivers and streams, more than 220,000 acres of lakes, ponds and estuaries nationwide.
San Francisco Waterfront and Bay Bridge, 1930s. Various shots.High-angle shot of San Francisco waterfront, daytime, from approximately Pier 6 to 17.San Francisco-Oakland Bay Bridge seen from Yerba Buena Island with ferries sailing underneath.Overexposed shot of Golden Gate Bridge with bright sky in background.Eastern span of San Francisco-Oakland Bay Bridge with Key System Ferry terminal on […]
View this complete post...In-the-wet dam construction has been described as building underwater with giant Lego pieces. This time-lapsed video of the dam construction phase of the Olmsted Locks and Dam project on the lower Ohio River explains the process of moving the giant monoliths from their construction beds to their final destination on the bottom of the river. […]
View this complete post...This footage is of construction of Dale Hollow Dam. The exact date is of this footage is unknown although the dam was completed for flood control in 1943. Power generating units were added in 1948, 1949 and 1953. The project was designed by the U.S. Army Corps of Engineers and built by private contractors under […]
View this complete post...Demolition of Fort Steuben Bridge on February 21, 2012 @ 7:15 AM – OhioTransportation on YouTube
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Here at infrastructureusa.org, national figures have participated in exclusive online conversations on The Infra Blog. Infra Views showcases content from leading think tanks and policy organizations. Users have documented their local infrastructure at Show Us Your Infra! and participated in Infra Polls. Now, we are initiating a new feature that is designed to encourage students […]
View this complete post...– RIDOTwebmaster on YouTube About the Sakonnet River Bridge Project “Construction is well underway on a $163.7 million project to replace the aging Sakonnet River Bridge, which carries Route 24 between Tiverton and Portsmouth. The bridge currently has a posted weight of limit of 18 tons, requiring trucks, buses, and other large vehicles to use […]
View this complete post...February 6th, 2012. One of the first arches is raised during the construction of the Adams Street Bridge project in Troy, Ohio. Each one of these concrete molded beams was individually transported one per semi. – 003sullivan on YouTube
View this complete post...(Re-posted with permission from Second Strategic Highway Research Program (SHRP2)) This time-lapse video shows accelerated bridge construction (ABC) techniques being used by a local contractor with standard equipment to replace a three-span bridge on U.S. 6 over Keg Creek in Pottawattamie County, Iowa. The $2.7 million reconstruction project is a cooperative effort involving FHWA, the […]
View this complete post...Construction work on the Mississippi River Bridge project has begun.The new Mississippi River Bridge is the first bridge built connecting downtown St. Louis and southwestern Illinois in more than 40 years. Currently, the only urban interstate bridge between Illinois and Missouri is the Poplar Street Bridge, known locally as the PSB. The PSB is one […]
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