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New Method can Help Assess Bridge Repairs, Save Significant Cost


New Method can Help Assess Bridge Repairs, Save Significant Cost
Written by AZoBuildApr 21 2021
The $2 trillion American Jobs Plan from President Biden has placed the country’s infrastructure in the spotlight.
In 2007, the Interstate 35W bridge over the Mississippi River in downtown Minneapolis collapsed, sending cars plummeting into the river below. Thirteen people were killed, 145 more were injured. Image Credit: Getty Images.
Considering this initiative, a new study from the University of Georgia (UGA) has suggested that states can save costs and prolong the life of their bridges by adopting a new method on how they prioritize preventive maintenance.
Present-day national strategies developed for bridge maintenance prefer replacement rather than maintenance. In this case, a relatively simple depreciation formula is employed, which leads to overly conservative assessments of the long-term health of a bridge. ....

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Infrastructure, infrastructure protection, aging bridges and tunnels


Published 20 April 2021
As President Biden’s $2 trillion American Jobs Plan places the nation’s infrastructure in the spotlight, new research from the University of Georgia suggests states can save money and extend the life of their bridges by taking a fresh approach to how they prioritize maintenance.
Current national strategies for bridge maintenance favor replacement over maintenance. A fairly simple depreciation formula is used, resulting in overly conservative assessments of a bridge’s long-term health. In a study published in the American Society of Civil Engineers’ Journal of Performance of Constructed Facilities, researchers from UGA’s College of Engineering propose a new model for the first time. This new approach considers the interaction of 60 to 80 bridge components in predicting long-term bridge performance, and focuses on maintenance instead of replacement. ....

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