Category: News

In 2012, the AASHTO SCOM Bridge Technical Working Group submitted a research problem statement titled “Identifying and Assessing Failures of Small Movement Expansion Joints”.   This problem statement was selected for an NCHRP project, and assigned NCHRP Project Number 12-100 – “Guidelines for Maintaining Small Movement Bridge Expansion Joints”.  The objective of this research is to develop proposed guidelines with…

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AASHTO Journal, 14 November 2014 Workers connect south abutment wing wall pieces. Photos courtesy CH2M Hill Because it used innovative construction techniques that included precast bridge deck sections, the Rhode Island Department of Transportation only needed to close a busy Providence highway ramp for 21 days to replace a bridge leading to Interstate 195. That compares with an adjacent…

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AASHTO Journal, 7 November 2014 Bertha, the tunnel boring machine, being assembled in her launch pit in May 2013. WSDOT photo. Washington State Department of Transportation said state archaeologists gave Seattle Tunnel Partners the go-ahead on Nov. 2 to resume digging a rescue shaft toward a broken tunnel boring machine, part of a $3.1 billion Alaskan Way Viaduct Replacement…

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AASHTO Journal, 31 October 2014 AASHTO’s bookstore has made available a free online publication titled “S10.1-2014 Steel Bridge Erection Guide Specification.” The 58-page book, offered as a downloadable pdf, has 10 sections plus 8 appendices. It sets and defines basic requirements in transporting, handling and erecting steel bridge components to ensure safe and accurate construction. It also aims to…

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TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop displacement-based design and construction specifications for implementation of accelerated bridge construction (ABC) column connections in moderate-to-high seismic regions. Proposals are due by December 9, 2014. Project: Project Information Project Number: 12-105 Read the RFP

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AASHTO Journal, 10 October 2014 ​ The super crane at the Tappan Zee Bridge. Photo courtesy of the New York State Thruway Authority. One of the world’s largest cranes, a barge-mounted behemoth originally built for bridge work in San Francisco Bay, arrived Oct. 6 alongside New York’s largest infrastructure project – replacement of the Tappan Zee Bridge. Officially named…

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AASHTO Journal, 10 October 2014 Photo courtesy of Rhode Island DOT. Rhode Island’s Department of Transportation will host a showcase Oct. 30 in Providence of its innovative bridge construction, which uses products developed through the second Strategic Highway Research Program, or SHRP2. But you need to register for it. DOT representatives, contractors and other practitioners from the New England…

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AASHTO Journal, 26 September 2014 A rally was held at New Mexico State University Friday, to honor the students, faculty and researchers in the College of Engineering’s bridge inspection program. The program, which is operated in conjunction with the New Mexico Department of Transportation (NMDOT), provides annual routine inspections and evaluations of 400 highway and railroad bridges across the…

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AASHTO Journal, 5 September 2014 A section of the Barton Corner Bridge is rolled into place. Rhode Island DOT officials said the bridge replacement was finished in just 10 days. Photo courtesy RIDOT Facebook. The Rhode Island Department of Transportation last week celebrated the early completion of the Barton Corner Bridge replacement south of Warwick a day ahead of…

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AASHTO Journal, 5 September 2014 MoDOT Bridge Inspector Jamie Johnson (left) discusses bridge completion with Columbia Area Engineer Charles Sullivan. A new innovative bridge technology is being used by the Missouri Department of Transportation to replace a 57-year-old bridge in Columbia. The Route B Bridge over Business Loop Interstate 70 carries up to 22,000 vehicles a day between Columbia’s…

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