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Lowry Avenue Bridge Arches now Complete
Posted by Tasha Weiss on February 22, 2012 at 12:29 PM.

The final piece of the steel arches for Minneapolis’ Lowry Avenue Bridge was lowered into place last Wednesday, February 15. This 40-ft, 73,000-lb center “keystone” segment is one of 22 segments that make up the arches, with each segment weighing between 70,000 lbs and 130,000 lbs.

 

Due to open in late summer, the cable-stayed, tied-arch design relies on support from above and below the main span. The 1,575-ft replacement bridge is supported by two piers in the river, steel cables running through the bridge deck and 36 cables connecting the bridge’s main span to the 90-ft-high steel arches.

 

Some predict the new bridge will last for centuries if well-maintained, according to an article published in Finance & Commerce; Hennepin County Commissioner Mark Stenglein says it could stand as long as 500 years, with modern construction materials and techniques extending its life span.

 

To read the full article and view a photo slide show of the last section of the steel arches being lowered into place, go to http://bit.ly/wx9oO5. For additional information on the Lowry Avenue Bridge project, including construction updates, photos and videos, visit http://lowryavenuebridge.com.


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