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Union Station Rail Corridor Improvements

Looking at the bridge abutment configuration and the assembly photos, they may be building 4 separate bridge decks - two for Lower Jarvis, two for Lower Sherbourne. With each track sitting on ballast on a steel tray mounted on the cross beams, all supported by an I beam at each side.

Using MS-Word as a sketch tool:
1756915074547.png
 
urbancog said:
Looking at the bridge abutment configuration and the assembly photos, they may be building 4 separate bridge decks - two for Lower Jarvis, two for Lower Sherbourne. With each track sitting on ballast on a steel tray mounted on the cross beams, all supported by an I beam at each side.

Using MS-Word as a sketch tool:
View attachment 678541
Click to expand...
That is absolutely a way that a bridge can be built. But that's not how these ones will be built.

The beams that have been delivered are too short to be used alongside the tracks. If you look, the bracing that will tie the beams together is the same height as the web of the beam. These beams will be used underneath the tracks, and will have a structure built overtop of them to support the ballast, and then the track on that.

Dan
 
What led me to speculate (and it's pure speculation, I've not seen any drawings) that the track will sit between the beams is this detail, where the cross beams are sitting on the bottom flange of the main I-beam:
1756932378108.png

Coupled with the odd notched design of the abutment:
1756933147913.png

These prefabbed trough units may be designed to sit between the angled supports on the cross beams:
1756934806995.png
 
The bridge lift on Lower Jarvis and Sherbourne coming soon.
I’m not sure what to make of this schedule since they talk about full road closures under the bridge.
From a Oct 9 Update: Assuming this is still current.
Jarvis November 14 – 15, 17 – 20, 2025
Sherbourne November 15 –16, 17- 20, 2025
One road at a time or close both roads? We shall see. Chaos and complaints for sure.
Jarvis is first by the looks of the equipment prep below.
This should be fun but slow to watch. Timelapse maybe.
IMG_9333.jpeg


IMG_9334.jpeg



IMG_9332.jpeg

Sarens product website


Lower Jarvis
IMG_9335.jpeg
 
The lift is happening tonight. Jarvis was closed at 7:00 p.m.
10:00 pm - crane counter weights continue being added.
One of the two bridges is ready to get in position.
I’m not getting paid what this crew is getting paid. Looks like an expensive lift.
Pictures are not loading for some reason.
Edit : iPhone pictures loading

IMG_3970.jpeg
 
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