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Eastern Railroad Discussion > Where is it & are there more such RR diamonds in the US?


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Date: 10/06/21 11:48
Where is it & are there more such RR diamonds in the US?
Author: JPB

This set of diamonds is likely a pretty well known if not busy location with up to 8 road freights plus a handful of local movements each day.
I'm interested to know what other diamonds on bridges exist and are in use by freight RRs today in North America (ie, transit systems and throat trackage for major passenger terminals shouldn't be considered). Is this bridge unique? Thanks.



Edited 2 time(s). Last edit at 10/06/21 11:50 by JPB.




Date: 10/06/21 11:55
Re: Where is it & are there more such RR diamonds in the US?
Author: SNY1337

CPBD Binghamton NY, RT 11 (Court St Overpass)?...That's the only diamond crossing I've ever seen on a bridge.

Posted from Android



Edited 1 time(s). Last edit at 10/06/21 11:55 by SNY1337.



Date: 10/06/21 12:05
Re: Where is it & are there more such RR diamonds in the US?
Author: TAW

SNY1337 Wrote:
-------------------------------------------------------
> CPBD Binghamton NY, RT 11 (Court St
> Overpass)?...That's the only diamond crossing I've
> ever seen on a bridge.
>


Here's anothber: https://goo.gl/maps/LGXGghwymoHmokVv7

TAW



Date: 10/06/21 12:19
Re: Where is it & are there more such RR diamonds in the US?
Author: Typhoon




Date: 10/06/21 13:30
Re: Where is it & are there more such RR diamonds in the US?
Author: ts1457

Pretty neat stuff! I never would have dreamed about doing that on a model railroad.



Date: 10/06/21 14:23
Re: Where is it & are there more such RR diamonds in the US?
Author: xrds72

TAW's location is the Crow's Nest. This is somewhat more unique in that it is open deck, or at least used to be when I took this photo




Date: 10/06/21 15:32
Re: Where is it & are there more such RR diamonds in the US?
Author: JPB

xrds72 Wrote:
-------------------------------------------------------
> TAW's location is the Crow's Nest. This is
> somewhat more unique in that it is open deck, or
> at least used to be when I took this photo

What RR is this and where? Thx.

Posted from iPhone



Date: 10/06/21 16:12
Re: Where is it & are there more such RR diamonds in the US?
Author: xrds72

Soo Line (single track, now CN) crossing the C&NW (now UP/Metra)



Date: 10/06/21 16:17
Re: Where is it & are there more such RR diamonds in the US?
Author: TAW

xrds72 Wrote:
-------------------------------------------------------
> Soo Line (single track, now CN) crossing the C&NW
> (now UP/Metra)

Deval tower, DesPlaines IL

Typhoon's example is Mayfair Tower, Chicago.

TAW



Date: 10/06/21 16:35
Re: Where is it & are there more such RR diamonds in the US?
Author: howeld

There is one in Dalhart, TX on the Golden State route (UP) crossing BNSF. This would have been a high tonnage diamond due to coal routed to Tx a decade ago for BNSF and UP on trackage rights.



Date: 10/06/21 16:52
Re: Where is it & are there more such RR diamonds in the US?
Author: toledopatch

The 12 diamonds of Tower A2 at Western Avenue in Chicago are all atop a bridge, but it's a wide, filled bridge so it's not nearly as visual as some of these smaller examples.



Date: 10/06/21 18:41
Re: Where is it & are there more such RR diamonds in the US?
Author: TAW

toledopatch Wrote:
-------------------------------------------------------
> The 12 diamonds of Tower A2 at Western Avenue in
> Chicago are all atop a bridge, but it's a wide,
> filled bridge so it's not nearly as visual as some
> of these smaller examples.

Better than mere diamonds; they're puzzle switches.

TAW



Date: 10/06/21 19:03
Re: Where is it & are there more such RR diamonds in the US?
Author: toledopatch

TAW Wrote:
-------------------------------------------------------
> toledopatch Wrote:
> --------------------------------------------------
> -----
> > The 12 diamonds of Tower A2 at Western Avenue
> in
> > Chicago are all atop a bridge, but it's a wide,
> > filled bridge so it's not nearly as visual as
> some
> > of these smaller examples.
>
> Better than mere diamonds; they're puzzle
> switches.
>
> TAW

Some diamonds, but not all, by my reckoning - although it appears the diamond-only ones have moveable-point frogs.
 



Edited 1 time(s). Last edit at 10/06/21 19:04 by toledopatch.




Date: 10/06/21 22:17
Re: Where is it & are there more such RR diamonds in the US?
Author: dt8089

Deval IL in July of 81.




Date: 10/07/21 00:11
Re: Where is it & are there more such RR diamonds in the US?
Author: justalurker66

toledopatch Wrote:
-------------------------------------------------------
> The 12 diamonds of Tower A2 at Western Avenue in Chicago are all atop a bridge, but
> it's a wide, filled bridge so it's not nearly as visual as some of these smaller examples.

"Viaduct" ... and yes, technically a diamond over a bridge.



Date: 10/07/21 12:23
Re: Where is it & are there more such RR diamonds in the US?
Author: Englewood

At A-2 all the "crossings" have moveble point frogs.
Metra Milwaukee Dist. MT 3 also has double slip switches where it crosses
the C&NW tracks.



Date: 10/07/21 13:34
Re: Where is it & are there more such RR diamonds in the US?
Author: Seventyfive

At Kensington in Chicago, I believe there are one or two diamonds above the Kensington Avenue
underpass just south of the tower.  CSS&SB mains crossing the IC Thoroughfare tracks.
This was an excellent idea for a thread and great reader responses too.

 



Date: 10/07/21 17:20
Re: Where is it & are there more such RR diamonds in the US?
Author: BRAtkinson




Date: 10/07/21 17:45
Re: Where is it & are there more such RR diamonds in the US?
Author: justalurker66

"... in use by freight RRs today in North America (ie, transit systems and throat trackage for major passenger terminals shouldn't be considered)."

That would eliminate the "L" and other passenger only systems.

As for 115th St / Kensington (NICTD South Shore connection to Metra and CN for freight:
https://goo.gl/maps/MB1AhwBZBuGRo17T8

The viaducts throw me off due to the volume of dirt between the tracks and the underlying bridge. There are viaducts where each track or track pair has it's own bridge with zero or minimal ballast on the bridge. I didn't start the "find a freight diamond on a bridge" challenge but the viaducts seem to be more technicalities.



Date: 10/08/21 06:00
Re: Where is it & are there more such RR diamonds in the US?
Author: JPB

Very interesting information! Thanks to all for contributing!



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