Bridge Vibration: Can A Bridge Bounce?

To start off this terminology page under the word Bridge Vibration, there is a story that is connected with this bridge. The Lackawaxen Suspension Bridge was built in 1849 by Russell Lord and John Roebling and spans the Delaware River bordering Pennsylvania and New Jersey. Together with the suspension bridge in Nuremberg (Germany), they are…
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ASCE Bridge Photo Viewers’ Choice Award 2013

With a number of bridge photographers increasing in vast numbers, surely there would be a bridge photo contest to encourage them to submit the best ones for a grand prize right? In the eyes of the American Society of Civil Engineers, the answer is yes. For the first time ever, the ASCE opened the bridge…
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The Bridges Of Des Moines, Iowa Part I: Night Bridge Photo Tour

This bridge tour is the first of a three-part series that will focus on the bridges of Des Moines, Iowa, one of the main stops for this year’s Historic Bridge Weekend. How many of you have a digital camera and enjoy taking photographs of places of interest at night? If you enjoy taking night photography…
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Height Detector Test: New Innovation For High Truss Bridges?

In light of the I-5 bridge disaster over the Skagit River in Washington State, whose cause was a truck hitting the portal bracing of the Warren through truss bridge, questions have flown around as to whether a witch hunt to eradicate them is worth all the billions of dollars to be spent, or if it…
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Mystery Bridge Nr. 30: Little Bridge On The Prairie

I’m sure many of us have heard of and watched the TV series “Little House on the Prairie” while growing up. The same series that was based on the travels of Laura Ingalls Wilder, who was played by Melissa Gilbert, and also starred (the late) Michael Landon, who played Charles Ingalls, Laura’s father, and was…
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