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Steel Structure Trivia: Bridge Celebrates Centennial

Opened 100 years ago on January 29, 1916, this trunnion bascule bridge joins the steel centurion club today. This historic structure was the first bridge on the legendary Route 66, one of the original U.S. Highways, and today it is still lifted about 40 times per year. (Photo: James S. Phillips)

 

Our January Steel Structure Trivia question is: What is the name of this bridge and where is it located?

Answer:

The pictured bridge is the Jackson Boulevard Bridge, which crosses the South Branch of the Chicago River on Jackson Blvd. in downtown Chicago. Congratulations to our winners! They are: Niranjan Kumar with DGSTS, Inc., Elgin, Ill.; and Nep Viajar, a civil/structural engineer with Fluor Corp., Houston.

The Jackson Boulevard Bridge is one of two of Chicago's downtown "Loop" bridges that are marking 100 years of service this year. The other is the Lake Street Bridge, which will celebrate its centennial in November. For more about these centurions and all of the 18 Chicago Loop bridges (which are all steel!), visit the Chicago Loop Bridges website at www.chicagoloopbridges.com.

You can test your steel structure knowledge right here on our MSC website on the last Friday of each month, where a new trivia question will be posted to the News section. Our next challenge will be posted on Friday, February 26 at noon CT.


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