Monday, March 7, 2011

#17 Truss Bridge

Description: Pictured above is the Sixth Street Bridge in Grand Rapids, Michigan.  It spans the Grand River and was built in 1886 using wrought iron.  The bridge is made up of four Pratt trusses on stone piers and is the longest and oldest metal bridge in Michigan.  When this bridge was built it cost a whopping $31,000!

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