Posted July 12, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)
The main span of this bridge is pin connected. So at least that span is older than 1950.
Upland Trail - Commerce Street Overpass
Posted September 3, 2014, by BSB
This bridge was once part of the Tennessee Central Railways western division, Nashville, Tn to Hopkinsville, Ky. Later taken over and abandoned by the ICG railroad.
The main span of this bridge is pin connected. So at least that span is older than 1950.