Which span was the plaque on? It could be an older approach to the bridge. I believe the 1960 date comes from when the original truss bridge was replaced.
NS - Kankakee River Bridge
Posted May 5, 2019, by Ken R Smith (iwuz102 [at] earthlink [dot] net)
bridge listed as being built in 1960...was there much longer than that...builders plate indicates Cleveland Bridge works 1896...
Ken,
Which span was the plaque on? It could be an older approach to the bridge. I believe the 1960 date comes from when the original truss bridge was replaced.