Minnesota Steel Culvert Pipe Service-Life Map

Status:  Complete
Report Date:  06/22/2015

Summary:

Researchers collected more than 560 soil resistivity and pH samples along embankments of state trunk and county highways in Minnesota. They used this and existing STATSGO data to calculate and develop maps of the service lives of 18-, 16-, 14-, 12-, 10- and 8-gage galvanized and aluminized steel pipe throughout the state. These maps will help engineers improve their choice of materials when designing steel culverts so that agencies can save on costs while developing longer lasting infrastructure.

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