National Boards > Bridges
Bridges over Bridges
Dirt Roads:
--- Quote from: kevinb1994 on July 21, 2021, 03:15:56 PM ---There is a famous example in Richmond.
--- End quote ---
My impression is that you are talking about the famous Triple Crossing (Seaboard bridge over C&O Viaduct over Southern at-grade). However, this is right beside a bunch that are lesser known but more impressive in their own right:
* Just to the east of Triple Crossing, the I-95 interchange with the Downtown Expressway (Toll VA-195) has also got the I-95 mainline bridge and two ramp bridges over the C&O Viaduct.
* Then just to the north of the Triple Crossing, three of the ramps from I-95 to/from the Downtown Expressway cross over the Seaboard Viaduct (mainline). All of these are crossing over Dock Street (at grade).
* Next up is the I-95 mainline bridge also crosses over the Seaboard Viaduct (mainline) coming off the south end of Main Street Station, which crosses over US-60 (Main Street, at grade) at the same location.
* Almost, but not quite: The Seaboard Interchange Viaduct (to the C&O) is just touching underneath the Downtown Expressway ramp to I-95 northbound.If you include the footbridge over the James and Kanawha Canal, there are six different levels of bridges intertwined at this location. Not all of them stack.
kevinb1994:
--- Quote from: Dirt Roads on July 21, 2021, 11:34:18 PM ---
--- Quote from: kevinb1994 on July 21, 2021, 03:15:56 PM ---There is a famous example in Richmond.
--- End quote ---
My impression is that you are talking about the famous Triple Crossing (Seaboard bridge over C&O Viaduct over Southern at-grade). However, this is right beside a bunch that are lesser known but more impressive in their own right:
* Just to the east of Triple Crossing, the I-95 interchange with the Downtown Expressway (Toll VA-195) has also got the I-95 mainline bridge and two ramp bridges over the C&O Viaduct.
* Then just to the north of the Triple Crossing, three of the ramps from I-95 to/from the Downtown Expressway cross over the Seaboard Viaduct (mainline). All of these are crossing over Dock Street (at grade).
* Next up is the I-95 mainline bridge also crosses over the Seaboard Viaduct (mainline) coming off the south end of Main Street Station, which crosses over US-60 (Main Street, at grade) at the same location.
* Almost, but not quite: The Seaboard Interchange Viaduct (to the C&O) is just touching underneath the Downtown Expressway ramp to I-95 northbound.If you include the footbridge over the James and Kanawha Canal, there are six different levels of bridges intertwined at this location. Not all of them stack.
--- End quote ---
Oh, I didn’t realize that there’s more than just that.
CtrlAltDel:
Does something like this count:
https://www.google.com/maps/@41.8887477,-87.6220399,2a,55.3y,206.97h,104.39t/data=!3m6!1e1!3m4!1snbO07OzaqbjA38DuVXNOwA!2e0!7i13312!8i6656?hl=en
CNGL-Leudimin:
High speed rail bridge over road bridge over "regular" rail line
ethanhopkin14:
--- Quote from: CtrlAltDel on July 22, 2021, 01:57:14 AM ---Does something like this count:
https://www.google.com/maps/@41.8887477,-87.6220399,2a,55.3y,206.97h,104.39t/data=!3m6!1e1!3m4!1snbO07OzaqbjA38DuVXNOwA!2e0!7i13312!8i6656?hl=en
--- End quote ---
Kinda a grey area. I'll allow it.
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