^ 1967-68, according to the Trib. Apparently the truss dated back to 1887 and it was severely damaged after the construction of Hubbard's Cave caused ground settlement. Plus, the city wanted to widen it to four lanes.
A similar bridge existed at Sangamon two blocks west, and at Grand a few blocks northeast.
In the picture (taken from C&NW's elevated
viaduct, now UP-West) you can see the rebar for the Kennedy retaining wall sticking up at far right.