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Posts Tagged ‘Bridges’

Kansas DOT: Demolition Symphony

Friday, December 21st, 2012

A series of explosions and implosions edited to the William Tell Overture. -kansastransportation on YouTube.

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Parryville, PA: Implosion of Old I-476 Bridge

Wednesday, June 20th, 2012

On May 10, 2012, the last remaining truss of the old Pennsylvania Turnpike bridge imploded as the new bridge structure remained standing in the background. The old bridge, erected in 1957 over the Pohopoco Creek in Parryville, Pennsylvania, was deemed structurally deficient. Four new prestressed concrete beam bridges were opened to traffic on November 4, [...]

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Great American Infrastructure: The Sundial Bridge, Redding, CA

Thursday, January 5th, 2012

This is the twelfth in a series of entries celebrating infrastructure achievements in the United States.

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The Tacoma Narrows Fallacy

Thursday, December 29th, 2011

Teach your teacher: the collapse of the Tacoma Narrows bridge WASN’T resonance.
And I defer all arguments to the elocution of Profs. Billah and Scanlon: http://www.ketchum.org/billah/Billah-Scanlan.pdf

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Great American Infrastructure: William Preston Lane Jr. Memorial (Bay) Bridge

Thursday, December 1st, 2011

This is the ninth in a series of entries celebrating infrastructure achievements in the United States. What: The William Preston Lane Jr. Memorial (Bay) Bridge, know as The Chesapeake Bay Bridge, is a major dual-span bridge and was the world’s longest continuous over-water, steel bridge at the time of its opening in 1952. When: Construction [...]

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More Broken Bridges Than Golden Arches [INFOGRAPHIC]

Monday, November 14th, 2011

“There are more deficient bridges in our metropolitan areas than there are McDonald’s restaurants in the entire country,” reported Transportation for America.

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Bridging the Gap: Redirecting Investments to Fix the Nation’s Bridges

Friday, November 4th, 2011

TAXPAYERS FOR COMMON SENSE
A large portion of the nation’s 600,000 bridges are in poor condition and require investment to repair or replace. Congress, by virtue of its control of spending and oversight, can encourage states to spend a greater share of transportation funding on maintaining and fixing existing infrastructure. If we are to reduce the number of deficient bridges in our transportation system – currently 11.5 percent of all bridges are deficient – Congress must be part of the solution.

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The Fix We’re In For: The State of our Nation’s Bridges

Wednesday, March 30th, 2011

TRANSPORTATION FOR AMERICA
America’s infrastructure is beginning to show its age. Our nation’s roads, highways and bridges have
increasingly received failing scores on maintenance and upkeep…

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Bridging the Gap: Restoring and Rebuilding the Nation’s Bridges

Wednesday, August 11th, 2010

AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS

Almost a year ago, we as a nation were stunned and saddened by the tragic bridge collapse in Minneapolis that took 13 lives, injured 144 others, and disrupted the life of a great city.

In the intervening year we have watched with pride the way in which federal, state, and city transportation agencies, contractors, and construction teams have worked night and day to bring to life a new bridge, unsurpassed in technology and design.

Also in the past year we in the transportation industry have looked even more closely at the safety and sustainability of America’s 590,000 bridges for today and into the future.
This report was developed by the men and women of the state departments of transportation to share that inside look with you.

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