Tom:
I haven't seen a picture of the NJ signal bridge, but the Q had a ton of 2
track signal bridges that they used all over the system. There were slight
variations. The most common 2 track bridge was of a very similar Warren Truss
design that was used on many 2, 3, and 4 track bridges.
Regarding your question about the 3 track bridge on the northeast side of
Galesburg, I think the only Q signal bridge left where the Savanna main switch
is located, is at MP 161.90, and this is a 4 track bridge west of the junction
switch. I don't think there are any 3 track Q signal bridges left at this
location. In Q days, 3 track signal bridge 161.66 was just east of the
junction. The only remnant left is the footing on the south side. This bridge
was erected in 1913, and in the late 60's, it marked the west end of CTC
between Aurora and Galesburg, and also had westbound absolute signals for the
Galesburg interlocking controlled from Seminary St. Tower. There is a
photograph of this bridge on page 46 of Michael Spoor's "Chicago Burlington and
Quincy Volume 4".
Bridge 161.90 also shows up in another photo, so if you have this book you will
be able to tell if Bridge 161.90 is the one you are referring to. It was also
erected in 1913.
Glen Haug
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From: thommack
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