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News April 27, 2015
U.S. Transportation Secretary Anthony Foxx announced the Federal Highway Administration (FHWA) will begin collecting new data that will help the agency more closely monitor bridge conditions throughout the nation. Beginning this month, state departments of transportation will provide the new data...
News April 20, 2015
The New York State Department of Transportation and other agencies have begun work on a $15.6 million project to replace seven bridges in the town of Keene that are at risk from flood scouring, part of 80 bridges approved so far for replacement by the Federal Emergency Management Agency. Gov....
Case Studies April 10, 2015

Pulleys placed in position with the saw on top.

Precision Cutting & Coring of Kansas City, Kan., was contracted for a bridge overhaul project in May 2014 that required strict timing and precision. The overall project involved demolishing the top part of an old rail bridge then reconstructing it. Precision’s scope of work was to saw and...
News April 07, 2015
If Michigan officials cannot get their hands on a funding solution soon, all they will be able to do is cross their fingers for the next two years.   The I-75 bridge over the Rouge River, which carries 115,000 cars daily and is a major route going in and out of Detroit, has been placed on the...
Article April 06, 2015

The Ithaca, N.Y., bridge is registered in the National Register of Historic Places; its original truss steel dates from the Model T era and had a 15-ton load restriction.

In the late 19th/early 20th century, there was a boom in truss bridge construction—one of the oldest types of today’s modern bridges.   However, as vehicles got bigger, loads got heavier and traffic increased over the years, many of the truss bridges from that era became structurally deficient and...
News April 06, 2015
Like many states, Louisiana is facing a transportation-funding crisis. However, not every state has a bridge problem accelerating quite like this.   According to a recent report by the U.S. Public Interest Research Group (U.S. PIRG), Louisiana is one of 10 states with more structurally deficient...
News April 03, 2015
The New Jersey Department of Transportation (NJDOT) has announced a proposed $4.9 billion capital program for the fiscal year 2016 that directs $2.8 billion toward NJDOT and other agency investments and $2.1 billion toward statewide transit improvements.   “This proposed program will enable NJDOT...
News April 01, 2015
An analysis of the 2014 U.S. Department of Transportation (U.S. DOT) National Bridge Inventory database found that there are more than 2,000 fewer structurally deficient bridges than there were in 2013. The good news stops there. There are still more than 61,000 structurally deficient bridges in...
News March 26, 2015
A bridge carrying traffic over I-35 in central Texas has collapsed after a semi-truck hit a beam. The beam fell on passing vehicles, and Fox 4 News out of Austin is reporting one fatality.   Traffic in both directions on I-35 in Salado, Texas, was at a standstill. The Texas Department of...
News March 16, 2015
In last week's annual update given by the Missouri Department of Transportation (MoDOT) to highway commissioners, MoDOT reported nearly 600 state bridges that are in serious or poor condition.   However, state transportation officials said that bridges classified as being in poor condition are...
News March 04, 2015
Some does not address the sum.   The state of Maine has more than 770 bridges that are more than 70 years old and need to be either repaired or replaced. About $70 million a year is spent on this crusade, but according to a new report at least $140 is needed.   Despite the shortfall, Maine DOT...
Article December 08, 2014
Florida continues to invest in its transportation system to ensure that the infrastructure can meet the needs of residents, visitors and businesses.   While Floridians and the nearly 100 million tourists that visit our state each year actually experience this infrastructure, others throughout the...
Case Studies December 05, 2014

Deck removal totalled more than 22,000 linear ft of cut reinforced concrete.

PANAMAX-sized ships are one of the ways goods from across the world are transported to consumers in the U.S. It is very important these container ships arrive safely into our ports. Unfortunately, the Bayonne Bridge roadway in Staten Island, N.Y. was not high enough to allow these massive ships to...
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...
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...
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...
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...
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,...
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...
Article October 07, 2014
With thousands of bridges, including 53 that cross the Mississippi and Missouri rivers, the Missouri Department of Transportation (MoDOT) will always need to invest in maintenance, repair and replacement of these critical pieces of the state’s transportation infrastructure.   Simply because of age...
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