The arroyo where Ramona Boulevard would soon be built. Looking westward from the vicinity of State Street, November 30, 1933.
USC Digital Library
http://digitallibrary.usc.edu/search...chs-m3935.html
All of the overpasses shown below (except the one at Pomeroy Ave.) were still intact until the very early 1970s, when the three then-existing lanes of the San Bernardino Freeway were widened to more.
Traveling eastbound on Ramona, the first overpass after Macy was the State Street viaduct. April 16, 1935.
USC Digital Library
http://digitallibrary.usc.edu/search...chs-m3937.html
View back towards town from atop the State St. viaduct.
USC Digital Library
http://digitallibrary.usc.edu/search...chs-m4105.html
Next overpass eastbound was the pedestrian bridge at Pomeroy Avenue (c.1934-1939).
USC Digital Library
http://digitallibrary.usc.edu/search...chs-m3939.html
Continuing east on Ramona, the overpasses for Marengo Street (foreground) and Soto (rear).
USC Digital Library
http://digitallibrary.usc.edu/search...chs-m3938.html
Aftermath of an auto accident, viewed from the Herbert Ave. (City Terrace) overpass, August 2, 1951.
USC Digital Library
http://digitallibrary.usc.edu/search...ner-m4086.html
-Scott
More info in my blog post
here.