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Archive for the ‘Bridges’ Category

Minnesota DOT: Maintaining Bridges

Tuesday, November 25th, 2014
Minnesota DOT: Maintaining Bridges

Nancy Daubenberger, Minnesota State Bridge Engineer, discusses Minnesota bridges and the continuous effort that goes into their construction and maintenance.

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NYC Marathon 2014: Verrazano-Narrows Bridge

Wednesday, November 5th, 2014
New York City: Verrazano-Narrows, the Marathon Bridge

Now celebrating its fiftieth year, MTA Bridges and Tunnels’ Verrazano-Narrows Bridge has been the starting point for the NYC Marathon since 1976. MTA congratulates the 50,564 finishers of this year’s marathon.

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McCall, ID: Moving the Lardo Bridge Inch by Inch

Friday, October 31st, 2014
McCall, ID: Moving the Lardo Bridge Inch by Inch

Time lapse video shows the investment in time and manpower required to move McCall, Idaho’s Lardo Bridge just a few feet from its original location.

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Milton, KY: Time Lapse Video of Milton-Madison Bridge Milestones

Wednesday, October 29th, 2014
Milton, KY: Time Lapse Video of Milton-Madison Bridge Milestones

This video highlights the construction milestones of the Milton-Madison Bridge, which include the rising of the trusses into place on temporary piers…the blasts that brought down the old bridge…and the amazing slide of the new bridge onto its permanent piers. The half-mile structure was slid 55 feet making this the longest bridge slide of its type in North America — perhaps the world.

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Guest on The Infra Blog: Aaron M. Renn, Urban Affairs Analyst and Founder of The Urbanophile

Tuesday, October 28th, 2014
Aaron M. Renn on The Infra Blog

Aaron M. Renn is The Urbanophile, an opinion-leading urban affairs analyst, entrepreneur, speaker, and writer on a mission to help America’s cities thrive in the 21st century.

“Fundamentally, we have to take a hard look in the mirror and realize that, to some extent, the systems that we have in place in America are a reflection of the values of the people who live here…The public needs to take a look in the mirror and say this is what we’ve chosen as a society.”

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Lowell, MI: Sliding the Alden Nash Avenue Bridge Into Place

Wednesday, October 22nd, 2014
Lowell, MI: Sliding the Alden Nash Avenue Bridge Into Place

The new bridge will be constructed adjacent to the existing bridge and traffic will be diverted to the new bridge in its temporary location. The old structure was demolished and the new bridge was slid into place. Bridge slide technology greatly reduces the amount of time a bridge is out of service. M-50 was closed and detoured for only two weekends (during demolition and during the slide), as opposed to a multiple-month closure typically associated with a traditional bridge replacement.

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Cleveland, OH: The Story of The Innerbelt Bridge Demoliton

Wednesday, October 15th, 2014
Cleveland, OH: The Story of The Innerbelt Bridge Demoliton

Crews demolished the remaining steel skeleton of the 1959 Innerbelt Bridge in Cleveland, Ohio.

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Warwick, Rhode Island: Barton Corner Bridge Replacement

Wednesday, October 8th, 2014
Warwick, Rhode Island: Barton Corner Bridge Replacement

In August 2014 we completed replacement of the Barton Corner Bridge, which carries four lanes of I-95 plus two auxiliary lanes at a busy interchange with Route 2 on the Warwick/West Warwick line. Using accelerated bridge construction, we built two halves of the bridge on land adjacent to the overpass, and then moved them into place. This enabled us to build the bridge much faster compared with conventional construction methods, which would have taken twice the time. This approach also allowed us to do the work with no impact to Interstate traffic prior to installation.

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Pennsylvania: Replacing 558 Bridges in 4 Years

Wednesday, September 24th, 2014
Map of Final Bridges - P3 RBR Bridges

PENNSYLVANIA DEPARTMENT OF TRANSPORTATION
With the P3 approach, we can replace hundreds of these bridges more quickly, save money and minimize the impact on the traveling public. SD bridges are not unsafe but pose a serious problem that jeopardizes our ability to grow economically and create jobs. This initiative, in conjunction with Pennsylvania’s new comprehensive transportation funding law that Corbett signed on Nov. 25, 2013, will bring much needed investment to the state’s bridges.

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Columbia, MO: Building a Bridge from the Ground Up

Thursday, September 4th, 2014
Columbia, MO: Building a Bridge from the Ground Up

This is a timelapse video of the GRS-IBS construction of the Route B bridge over Business Loop 70 in Columbia, MO. The video is of construction to date (8-25-14) on the bridge.

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