Youtube video is now here:
In 1940 Kansas City Southern produced a film that showed the inagural run of the Southern Belle going over this bridge. It's about 20 seconds into the film, at http://www.youtube.com/watch?v=d21uOQGhlGY
In all there are four high spans for the KCS in Kansas City, three are of this type. The other two high concrete arch bridges are found at 67th Street, and Gregory BLVD (can be seen from I-435). The 67th Street bridge/Wildcat Hollow is hidden, and is in a heavily wooded area. The other high span is across 63rd Street.