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Article September 11, 2014
The California Department of Transportation (Caltrans) manages a complex network of highways and bridges traversing snowy mountain passes, coastal areas, urban centers and barren deserts.   The magnitude of this transportation system, diverse use characteristics and variable climatic regions make...
News September 08, 2014
The Vermont Agency of Transportation is thinking outside the box to reduce the number of structurally deficient bridges in the state, utilizing a longer-lasting design that can be built quicker than traditional methods.   When the bridge over the Wanzer Brook in Fairfield needed replacement last...
Article August 29, 2014

The Mulberry Street Bridge has undergone some major renovations in its 105-year existence, including replacement of the bridge deck in 1957 and replacement of the expansion joints at the piers in 1982.

When all is said and done, the Mulberry Street Bridge will look good as new—at 105 years old.   That’s how long the iconic, 18-span concrete arch structure has served Harrisburg, Pa., as the primary link between the Allison Hill neighborhood, the Harrisburg Transportation Center and downtown. And...
News August 25, 2014
The northbound lanes of I-495 through Wilmington were reopened to traffic over the weekend following the successful realignment of the I-495 Bridge spanning the Christina River, Delaware Secretary of Transportation Shailen Bhatt announced. The southbound lanes were reopened July 31. This means...
Article August 05, 2014
It all comes down to money—or lack of it.   State transportation CEOs from across the nation were in agreement on that point in Louisville, Ky., site of the 2014 American Association of State Highway & Transportation Officials (AASHTO) Spring Conference. The federal Highway Trust Fund is...
News July 09, 2014
The work to construct new underground foundations for the damaged portion of the I-495 bridge is nearing completion and the construction of the jacking towers that will be used to temporarily repair the I-495 bridge has begun. Building the jacking towers at this point in the project means the work...
News June 23, 2014

When SCDOT personnel arrived at the scene, they determined that the Cypress Gardens Road Bridge was damaged beyond repair.

Rumor has it a pickup driver was lucky—or unlucky, depending on your viewpoint—and made a brave jump across the gap that appeared just in front of his truck on the evening of Monday, April 28, as he was driving through Monck’s Corner, S.C.   Below the gap in the Cypress Gardens Road Bridge, a...
News June 09, 2014
Beginning Monday, June 16, the Port Authority of New York & New Jersey will close three upper-level lanes on the George Washington Bridge for 12 weeks during overnight hours, as construction workers resume work on the upper-level deck rehabilitation project, which began last summer. The lanes...
News June 06, 2014
Delaware’s transportation secretary, Shailen Bhatt, has ordered all major bridges in the state to be inspected, according to the Associated Press, to see if any of them might have a problem similar to the one found last week on the I-495 bridge over the Christina River northeast of Wilmington.  ...
News June 06, 2014

DelDOT hopes to have the I-495 bridge open to traffic as soon as possible.

Following 60 hours of continuous monitoring of the I-495 bridge that was closed Monday due to a shift in four support piers, DelDOT announced on June 5 that no additional, significant movement of the structure had been detected.     The department’s goal is to open the road as quickly and safely as...
News May 09, 2014

A map showing the locations of Ohio bridges on track to being replaced or refurbished.

If you’re a county engineer in Ohio and you need a bridge fixed, the Ohio Department of Transportation (ODOT) is coming to the rescue.   Beginning this summer, ODOT will launch the Ohio Bridge Partnership Program (OBPP), a $120 million, first-of-its-kind effort in the state, to fix up county and...
News April 17, 2014
As part of its effort to continually enhance safety on the state highway system, the Colorado Department of Transportation (CDOT) is installing a pilot system to monitor the structural behavior of its bridges.   CDOT is installing equipment under the Williams Canyon Bridge on U.S. 24 next week, at...
News April 14, 2014

Thanks to funding from the Colorado Bridge Enterprise system, the Colorado DOT is replacing six deficient bridges on U.S. 6.

A power line helped create a power forward.   Plans for the reconstruction of U.S. 6 in Colorado originally called for a 20-night traffic shift, where lanes would gradually move over to their temporary resting place. Then Excel Energy stepped in with a challenge. A transmission line spanning over U...
Article April 14, 2014
The corrosion of post-tensioned (P-T) tendons in the nation’s bridges has become an increasingly significant problem. A growing awareness of the situation has prompted state departments of transportation to step up inspections of their P-T structure inventory, assessing and quantifying the rate of...
Article April 14, 2014
The Jesup South Bridge in Buchanan County, Iowa, is located on one of the busiest roads in the county. Constructed in 1947, the old bridge had a sufficiency rating of less than 50. It was narrow and not built to handle the loads it faced in recent years. As part of the V-65 Jesup South Bridge...
News January 29, 2014
ROADS & BRIDGES' featured channel for the first quarter of 2014 is Bridges. The site was recently upgraded with a Bridge Rescue section. Over the next 10 months, ROADS & BRIDGES will cover the structurally deficient bridge issue plaguing the U.S., and what states are doing to take aging...
News January 29, 2014
By researching Oregon’s historic bridges, Oregon Department of Transportation (ODOT) engineers—and historians—hope to help guide efforts to preserve some of the state’s transportation treasures. “Oregon’s Historic Bridge Field Guide” offers insight into bridge building in the state, including its...
Article April 05, 2012
Preventive maintenance of infrastructure elements such as reinforced concrete bridges in Illinois is increasingly vital as resources to repair and replace these elements become less available. One of the key factors affecting bridge-deck performance is the penetration of chloride ions into bridge-...
Article May 05, 2011
Like many state DOTs, the South Carolina Department of Transportation (SCDOT) has considered the use of structural-health-monitoring (SHM) technology to improve its bridge management and repair protocols.   After some initial research and internal discussion, we determined that judicious use of SHM...
Article September 07, 2010
In June 2009, a team of U.S. engineers visited several European countries to review their policies and procedures to assure safety and serviceability of their highway bridges.   The itinerary for the two-week scan of technology included Helsinki, Finland; Vienna, Austria; Graz, Austria; Cologne,...
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