Le Grand Bridge was a bridge north of Le Grand , Iowa , United States . It spanned the Iowa River for , carrying traffic on a gravel road named Abbot Avenue . Since Abbott Avenue is the border between Marshall and Tama counties , the bridge is in two counties lengthwise . Many bridges span from one county to another , but few are lengthwise split . It necessitated a joint session of the two counties ' Boards of Supervisors on June 29 , 1896 , to approve the project . The pinned Pratt through truss bridge was built in 1896 by the Marshalltown Bridge and Iron Works for $ 3,548 . It was listed on the National Register of Historic Places in 1998 . The bridge collapsed in the Iowa flood of 2008
Iowa flood of 2008
Iowa flood of 2008
Le Grand Bridge (1896)