John Hennessy III,
P.E.
SMART GROWTH AMERICA
State officials across the country are facing the same challenges. Revenues are falling and budgets are shrinking while transportation demands grow. The traditional means of funding and delivering transportation services are no longer adequate, jeopardizing the path to tomorrow’s economy. The only answer is innovation.
The New Bay Bridge W2 East and W2 West Foundation Blasting from Holdrege & Kull on Vimeo. During the summer of 2003 H&K provided shoring design for two deep foundations for the new Bay Bridge on Yerba Buena Island (YBI). Each foundation was approximately 70 x 70 x 90 feet deep and extended up to […]
View this complete post...The 1,300-ton bridge, built alongside I-35E, was moved into place using new construction technology The Minnesota Department of Transportation used a giant automated machine called a Self-Propelled Modular Transporter (SPMT) to move a finished bridge into position. A first for MnDOT, the move took place Aug. 18, 2012 over I-35E in St. Paul at the […]
View this complete post...Waco’s Historic Suspension Bridge was the longest single-span suspension bridge west of the Mississippi when it was completed in 1870. The bridge was built with cable supplied by the John Roebling Co., who built the Brooklyn Bridge in New York City. Crucial to traders and travelers for well over a century, the bridge stands as […]
View this complete post...–ArizonaDOT on YouTube. The Phoenix-area’s newest pedestrian bridge is in place over Interstate 17 just north of Happy Valley Road. ADOT installed the 160-ton, 600-foot long bridge over two nights in June next to the Central Arizona Project (CAP) canal. Working in partnership with the CAP, city of Phoenix and Federal Highway Administration, ADOT designed […]
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Scott N. Paul is the founding executive director of the Alliance for American Manufacturing (AAM), which was launched in April 2007. AAM, a unique partnership between the United Steelworkers union and leading U.S. manufacturers, has rapidly developed into an effective research and advocacy organization, publishing reports on the effectiveness of domestic trade laws and the […]
View this complete post...On Aug. 18, MnDOT used new technology to roll the bridge at Maryland Avenue into place over I-35E in St. Paul, Minn. This video shows first span going into place. For more information on the bridge move visit http://www.dot.state.mn.us/metro/projects/35estpaul/maryland.html. The press release has more details at http://www.dot.state.mn.us/metro/news/12/8/20maryland.html – rfilipczak on YouTube
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NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM Chapter 1: Background Optimal performance of a bridge under normal service loads is essential for full and effective use by the motoring public. Problems that occur as a result of excessive deflections, deteriorating deck conditions, or fatigue cracking of steel girders or beams under normal operating service loads can cause […]
View this complete post...An update on the St. Croix Crossing construction this week has concrete mixers floating across the river on barges. – rfilipczak on YouTube
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