Friday, May 29, 2020

Tod Ave+Republic+McCook Ave+Kennedy Ave Interlockings: B&OCT vs. IHB

The railfan post below got me looking for the "Republic interlocking" in East Chicago. My 2005 SPV Map shows that there were four interlockings between B&OCT and IHB in about a mile along the B&OCT. So I'm doing all four in one post.

Instead of a satellite, I'm using a topo image because it still has the tracks that were in these interlockings. The numbering convention is the one used by the 2005 SPV Map except that I added 99 to represent what is labelled as Calumet Tower.

  • Tod Ave: 8
  • Republic: 9
  • McCook Ave: 10
  • Calumet Tower: 99
  • Kennedy Ave: 11

1953 Whiting Quadrangle @ 1:24,000 plus Paint
Interlocks 8-10 were obviously connections between B&OCT and IHB spurs. Kennedy Ave confused me until I looked at a contemporary satellite image. It was a crossover.

This is how I learned about the Republic interlocking.
Steven W Panek posted
With the Indiana Harbor Canal a little higher than normal due to recent thunderstorms in the past week,
CSX 3168 was the rear DPU on an eastbound manifest that had just cleared Republic interlocking on the CSX Barr Subdivision in East Chicago, Indiana on 5/23/2020

Today, the spurs associated with interlockings 8 and 10 are gone.
RR Aban Map
And the connection in the southwest quadrant of Republic is gone.

Evidently the water level of the Indiana Harbor Canal is normally rather high. I'm guessing from the images of the bridge that the girders are concrete instead of steel. It appears the purpose of the south fork of the canal is to help drain Grand Calumet River rather than navigation because all of the bridges across it are fixed.
Street View

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