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Bridges Article November 13, 2014
Brian Mazzeo (left) and W. Spencer Guthrie have been working with noninvasive substances for bridge inspection methodology. Here they demonstrate the water droplet method for acoustic impact-echo data retrieval. The impact sounds are being picked up by the suspended microphone. A droplet of water can be seen in motion above Guthrie’s head.
Two professors at Brigham Young University have been pushing the burgeoning field of acoustic impact-echo testing for bridge damage inspections in interestingly “liquid” directions.   Bridge decay is not always, or even often, apparent to the naked eye. By the time a pothole appears, significant...
News November 13, 2014
  The North Carolina Department of Transportation (NCDOT) recently announced the grant of $875,000 to a local firm for the purpose of installing a series of closed-circuit cameras and message boards along a widened segment of I-85 from south of Bruton Smith Boulevard (Exit 49) to N.C. 73 (Exit 55)...
Bridges Article November 12, 2014
The huge shake tables rumbled and the 70-ft-long, 52-ton concrete bridge survived a series of intense simulated earthquakes in the first multiple-shake-table experiment at the University of Nevada, Reno’s new Earthquake Engineering Lab, the latest addition to the world-renowned earthquake/seismic...
Bridges Article November 12, 2014
The New York State Department of Transportation utilized the StopCrackEX system to repair a 1.25-in. crack in a floorbeam of the Delaware River Bridge in Margaretville, N.Y.
Forgive those in charge of maintaining the nation’s steel bridges for thinking the sky is falling—they’re just trying to take advantage of the newest technology that could save their charges.   That technology, StopCrackEX, is based on a technique known as cold expansion, which traces its origins...
Bridges Article November 12, 2014
The first year of permanent construction operations on the New York Thruway Authority’s New NY Bridge, which ended in October, saw exceptional progress on the foundations for the replacement of the 60-year-old Tappan Zee Bridge north of New York City.   In the coming weeks and months, however,...
Funding News November 12, 2014
Pennsylvania Department of Transportation (PennDOT) secretary Barry Schoch announces the pending receipt of approximately $33 million in federal funds that will be applied to the DOT’s running list of 56 projects aimed at improving the overall state of transportation statewide, from new...
Bridges Article November 11, 2014
The Freeport Bridge, also known as the Donald R. Lobaugh Bridge, carries S.R. 0356 over the Allegheny River approximately 25 miles northeast of Pittsburgh, Pa.   Built in 1965, the bridge is vital to commerce and serves as a route for tourists and outdoor enthusiasts utilizing the extensive nearby...
Bridges Article November 11, 2014
Paducah, Ky., has become home to a $95 million visually transparent, parallel-chord truss bridge over the Tennessee River.   The Kentucky Transportation Cabinet (KYTC) recently replaced an aging, structurally deficient span of U.S. 60 in western Kentucky with a three-span, continuous Warren-style...
Bridges News November 11, 2014
Lee Floyd wants his packages to be delivered to all the zip codes that make up South Carolina.   So when the South Carolina Department of Transportation (SCDOT) bridge engineer got ready to assemble his first group of ACT 98 bridge replacements—called “packages”—he made sure the coverage was as...
Traffic Management News November 11, 2014
Searching the streets for a parking spot may become an infrequent pastime in downtown Seattle starting in 2015 if the city’s deployment of 2,200 smart parking meters works as planned.   The new meters, from the IPS Group, will all be connected over one cellular network, with the ability to record...
Bridges Case Studies November 10, 2014

MAT 75/125 Shoring System Supports I-495 Bridge

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Contractor J.D. Eckman begins removing piers from I-495 bridge

When the I-495 bridge in Wilmington, Del., was discovered to have severely leaning piers and was abruptly shut down to traffic, a remarkable team effort among the public, government agencies, and private construction companies and suppliers safely stabilized the bridge using Mabey Inc.’s structural...
Highway Construction News November 10, 2014
Seattle Tunnel Partners, with whom the Washington State Department of Transportation contracted for the $3.1 billion Alaskan Way Viaduct Replacement project, were allowed to resume work recently after a state-mandated delay of nearly two weeks following the discovery of shell material in the earth...
Safety Case Studies November 07, 2014

For this project, the city of Mesa called for temporary pedestrian access routes (TPAR) to replace existing pedestrian pathways.

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Trafficade has received nothing but compliments about their pedestrian pathways.

Valley Metro Rail Inc. is a non-profit, public corporation whose mission is to design, build and operate a 57-mile transit system throughout metropolitan Phoenix. The Valley Metro board, whose members include the cities of Phoenix, Mesa, Chandler and others, oversees the management of the agency...
Traffic Management News November 06, 2014
Iteris Inc. was awarded a $1.4 million contract by the city of Omaha, Neb., to serve as system manager for the deployment of their intelligent transportation system (ITS). The project builds upon Omaha’s Traffic Signal System Master Plan, developed by Iteris in 2012, and will include the management...
News November 06, 2014
The action by voters in Massachusetts may have limited the choices of the department of transportation.   Last year, Massachusetts passed an $800 million transportation finance bill that would be fueled by a three-cent increase in the gas tax and by linking the tax to the Consumer Price Index. On...
News November 05, 2014
While the GOP was gaining control of the Senate on Election Day, the transportation industry also was receiving a great deal of support.   Proposition 1 in Texas, which will funnel a portion of the state’s “rainy day” fund over to road and bridge work, received more than 80% support. The measure...
Bridges News November 04, 2014
The dead of winter slowed the pulse of a few commutes around Toledo, Ohio, last year. Potholes were alive and well on I-75 bridges, creating unexpected lane closures to make necessary repairs.   Officials are taking a more preventive approach this time around, and on Nov. 4 crews started inspecting...
Bridges Case Studies November 04, 2014

 
 
The bridge, constructed by Lorvin Steel Ltd. and assembled at the Cherry Street docks, was transported from the docks to the installation location.

Toronto’s PATH network, the city’s downtown underground pedestrian walkway, previously had a southern end at the Air Canada Centre (ACC), a sports arena serving the Toronto Maple Leafs and the Toronto Raptors. PATH provides a link to more than 30 kilometers of shops, services and entertainment in a...
Traffic Management News November 03, 2014
Researchers in Spain are taking a unique approach to intelligent transportation systems (ITS), having just completed a two-year trial of new audio-based technology to help gauge traffic levels and alleviate congestion.   The system, dubbed Ear-It, makes use of acoustic processing units (APUs) that...
Traffic Management News October 31, 2014
The Chicago Transit Authority (CTA) may soon have a new way to share information with bus and train riders if an upcoming pilot test of beacon technology proves fruitful.   Smart beacons are a Bluetooth-based technology that send out a signal to communicate with nearby mobile devices. Many...

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