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News November 14, 2014
The Great Lakes state is far from being called a great roads state. Legislators know this, and on Nov. 13 the Senate passed a bill that could generate $1 billion a year for road and bridge work.   The measure, which passed by 23-14 count without debate, sets the wholesale tax on gasoline at 9% on...
Software Products November 14, 2014
HCSS field apps were designed specifically for the construction industry to put the power of your existing HCSS software in the palm of your hand. Capture time cards, diaries, photos, notes, safety meetings, equipment work orders, fuel tracking and more. With connected and disconnected modes, a...
Traffic Management News November 13, 2014
Transportation management agencies and individuals across Europe now have access to a wealth of new resources following the launch of the Eltis urban mobility web portal last week.   A product of the European Commission, Eltis is designed as an information hub on various European Union (EU)-funded...
Bridges Article November 13, 2014
With more than 12,800 bridges comprising 100 million sq ft of deck area, Louisiana has a very unique and complex bridge system.   Our current inventory contains approximately 10% structurally deficient and 14% functionally obsolete bridges, many of which are off the state system. We rank first in...
Bridges Article November 13, 2014
When putting together a complicated 3-D puzzle, you really cannot build around a missing piece.   As FIGG and PCL Civil Constructors were attempting to mold together the first pier table of the I-91 Brattleboro Bridge in Vermont in late October, extreme measures were being taken to make sure...
Bridges Article November 13, 2014
Postal delivery workers aren’t the only ones who work year-round in all conditions.   The crews of Kiewit Infrastructure West working on the Northern Rail Extension Phase 1A to build a 3,300-ft-long bridge over the Tanana River in Salcha, Alaska, worked nonstop to complete the project by the...
Bridges Article November 13, 2014
When it came time to replace the Henry G. Gilmerton Bridge in the Hampton Roads region of Virginia in 2009, the project team had very strict parameters to work within. The span is one of five critical crossing points for the Elizabeth River in the region, resulting in major vehicle and boat traffic...
Bridges Article November 13, 2014
The North Torrey Pines Road Bridge, built in 1933, was classified as structurally and seismically deficient in 1990, receiving a sufficiency rating of only 19 out of 100. To extend the bridge and bring it up to current seismic standards, the design, engineering and construction teams had to contend...
Bridges Article November 13, 2014
Downtown Louisville is home to an intersection of three interstate systems, I-65, I-64 and I-71, and three corresponding bridges taxed to capacity. With a congested downtown area leading to frequent traffic delays and collisions, the city of Louisville knew that a new solution was necessary for...
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...

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