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[Alps]

There is an interchange project along I-64 just west of Union Station, currently entering Final Design, that will spell doom for the freeway stub at Exit 39. Current plans show a compact diamond at 22nd with an extension through Jefferson Ave., also removing the Market/Ewing ramps. While this design could change, the effect of killing off the old remnant of MO 755 is unlikely to. It had a good 50-year run.

[sparker]

There is an interchange project along I-64 just west of Union Station, currently entering Final Design, that will spell doom for the freeway stub at Exit 39. Current plans show a compact diamond at 22nd with an extension through Jefferson Ave., also removing the Market/Ewing ramps. While this design could change, the effect of killing off the old remnant of MO 755 is unlikely to. It had a good 50-year run.

The only question is:  will Revive 755 survive?  (hey, at least it all rhymes!)

[Revive 755]

There is an interchange project along I-64 just west of Union Station, currently entering Final Design, that will spell doom for the freeway stub at Exit 39. Current plans show a compact diamond at 22nd with an extension through Jefferson Ave., also removing the Market/Ewing ramps. While this design could change, the effect of killing off the old remnant of MO 755 is unlikely to. It had a good 50-year run.

The only question is:  will Revive 755 survive?  (hey, at least it all rhymes!)

Nah, I'll change my username to 'The Lost Cause' 
I don't see the need for a full interchange at 22nd.  Jefferson is much more deserving for a full interchange IMHO - it has better continuity, and could be used as an alternative route to WB I-44 in case a truck overturns on the ramp to WB I-44/SB I-55 from the PSB.

[Revive 755]

WB I-255 over the Mississippi River is closed through at least the end of the week due to a cracked beam. 

https://www.modot.org/node/8164
https://www.modot.org/node/8177

[ilpt4u]

WB I-255 over the Mississippi River is closed through at least the end of the week due to a cracked beam. 

https://www.modot.org/node/8164
https://www.modot.org/node/8177

IL-3 North to the Poplar St Bridge/I-55/64 is the recommended alternate River crossing, but MoDOT advises considering any alternate bridge

There are also the Chester and Cape Girardeau Bridges, for Downriver Southern IL traffic that might typically use IL 3 to utilize the Jefferson Barracks Bridge WB to reach MO

[ilpt4u]

https://www.stltoday.com/news/local/metro/modot-doesn-t-yet-know-when-or-if-westbound-jefferson/article_469b54f0-9044-5275-99d9-115415b20fcf.html#tracking-source=home-top-story

Not good news for the Westbound bridge...The tests are awaiting full results, but apparently MoDOT is already considering ultimately routing WB traffic on the EB bridge

[Revive 755]

Interesting how on the Missouri side there appears to already be enough pavement to have a crossover (Streetview, but there is nothing similar on the Illinois side.

[ilpt4u]

If the westbound bridge faults require on longish-term closure to correct, will MoDOT and IDOT attempt to go 2 lanes, each direction, on the eastbound bridge?

There would be no shoulders, but there appears to be close to enough concrete surface to squeeze it in, maybe...Might have to make it slightly narrow lanes as well

[edwaleni]

Jefferson Barracks Bridges.

From Bridgehunter.com

Westbound bridge built 1984; eastbound bridge built 1990

Inspection report (as of May 2015)
Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 79.5 (out of 100)
Scour condition:   Bridge is scour critical; bridge foundations determined to be unstable.

http://bridgereports.com/1276128

I am not a bridge engineer, but if the foundations are in bad shape, the first thing you see is stress cracks up above.

Kind of like a sinking foundation of a house, the house stays together, but cracks start forming above the doors first.

[ilpt4u]

https://www.stltoday.com/news/local/illinois/two-lanes-of-closed-jefferson-barracks-bridge-will-reopen-for/article_678e3dbc-c1dc-5c34-b52e-ac1623de149c.html#tracking-source=home-top-story-1

Short version: 2 Westbound lanes will be open on the WB bridge during weekday morning rush hours (5 am-10 am), and 1 Westbound lane other times. Oversize and Overweight loads will be prohibited, until repairs can be completed

[edwaleni]

https://www.stltoday.com/news/local/illinois/two-lanes-of-closed-jefferson-barracks-bridge-will-reopen-for/article_678e3dbc-c1dc-5c34-b52e-ac1623de149c.html#tracking-source=home-top-story-1

Short version: 2 Westbound lanes will be open on the WB bridge during weekday morning rush hours (5 am-10 am), and 1 Westbound lane other times. Oversize and Overweight loads will be prohibited, until repairs can be completed

Lets hope there isn't anything higher than a 4.0 from the New Madrid for now.

[Revive 755]

MoDOT has the virtual public meeting for the I-270 rebuild through north St. Louis County online.  Link to main project website.

Going off of the video:  The redesign for I-270 at MO 367, currently a cloverleaf, is changed to have the left turn movements from 367 to enter I-270 signalized.  So an interchange with three legs being freeways will require going through two signals for one of the freeway to freeway movements.

[ilpt4u]

MoDOT has the virtual public meeting for the I-270 rebuild through north St. Louis County online.  Link to main project website.

Going off of the video:  The redesign for I-270 at MO 367, currently a cloverleaf, is changed to have the left turn movements from 367 to enter I-270 signalized.  So an interchange with three legs being freeways will require going through two signals for one of the freeway to freeway movements.

I guess MoDOT didn’t learn from the I-170 and I-64/US 40 Interchange mistake that required signalized movements for a long time until 64-40 was completely rebuilt about a decade or so ago and flyovers were built for the Freeway-to-Freeway movements

[skluth]

MoDOT has the virtual public meeting for the I-270 rebuild through north St. Louis County online.  Link to main project website.

Going off of the video:  The redesign for I-270 at MO 367, currently a cloverleaf, is changed to have the left turn movements from 367 to enter I-270 signalized.  So an interchange with three legs being freeways will require going through two signals for one of the freeway to freeway movements.

I guess MoDOT didn’t learn from the I-170 and I-64/US 40 Interchange mistake that required signalized movements for a long time until 64-40 was completely rebuilt about a decade or so ago and flyovers were built for the Freeway-to-Freeway movements

You're confusing the designs for the US 67 and MO 367 interchanges. The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else. MO 367 will have a much-needed flyover ramp from EB I-270 to NB 367; the other two cloverleafs for entering I-270 are replaced by signalized left turns and the EB exit to Lewis and Clark will retain its cloverleaf. The signalized intersection isn't a big deal for the EB ramp, but the westbound ramp will be the first stoplight on SB MO 367 south of the Missouri River. The potential for deadly accidents here is appalling.

Edit: I misread your post. You are right in that there will be two signals traversed going from MO 367 to I-270 EB. My mistake.

They call the new Lindbergh interchange innovative. I realize it's a difficult interchange to configure. But there's plenty of room to come up with something innovative that doesn't involve five signalized intersections in one interchange.

[skluth]

A little clarification. The top image is the I-270 at US 67 (Lindbergh Blvd) proposal. The bottom image is I-270 at MO 367 (Louis and Clark Blvd). Can't believe you'd have to go through four signals from SB US 67 to EB I-270.

[TheStranger]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

[rte66man]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

Looks like they could put in a Lindbergh flyover at a later date.

[skluth]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

I didn't know that interchange type was called a volleyball. Thanks. I have seen a couple regular volleyballs before. There's another west of Milwaukee at I-41/ WI 190 that's existed since at least the 1970's. I think the original US 54/63 interchange in Jeff City was also like that. It's the Dunn Road addition to the interchange that changes it. The addition of a light on SB Lindbergh at Dunn Road where there was none before adds a complexity to the interchange which makes it unique from my perspective. I'm no longer in the area so I won't hear about the inevitable backups on SB Lindbergh over the radio that I'm sure this light will create.

[Revive 755]

Based on the latest long-range transportation plan for the St. Louis region, it looks like MoDOT is planning for a replacement of the Martin Luther King Bridge fairly soon - see Page 39 (43 of 58) of https://www.ewgateway.org/wp-content/uploads/2019/08/Connected2045-FinalDraft-082819.pdf.

[qguy]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

I didn't know that interchange type was called a volleyball. Thanks. I have seen a couple regular volleyballs before. There's another west of Milwaukee at I-41/ WI 190 that's existed since at least the 1970's. I think the original US 54/63 interchange in Jeff City was also like that. It's the Dunn Road addition to the interchange that changes it. The addition of a light on SB Lindbergh at Dunn Road where there was none before adds a complexity to the interchange which makes it unique from my perspective. I'm no longer in the area so I won't hear about the inevitable backups on SB Lindbergh over the radio that I'm sure this light will create.

There are two volleyball interchanges in Pennsylvania, one west of Philadelphia (between I-476 and US 1) and one west of Pittsburgh (between PA 576 and US 22). Both between two freeways.

How I hate them.

[STLmapboy]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

I didn't know that interchange type was called a volleyball. Thanks. I have seen a couple regular volleyballs before. There's another west of Milwaukee at I-41/ WI 190 that's existed since at least the 1970's. I think the original US 54/63 interchange in Jeff City was also like that. It's the Dunn Road addition to the interchange that changes it. The addition of a light on SB Lindbergh at Dunn Road where there was none before adds a complexity to the interchange which makes it unique from my perspective. I'm no longer in the area so I won't hear about the inevitable backups on SB Lindbergh over the radio that I'm sure this light will create.

There are two volleyball interchanges in Pennsylvania, one west of Philadelphia (between I-476 and US 1) and one west of Pittsburgh (between PA 576 and US 22). Both between two freeways.

How I hate them.

There's already one of these in Missouri, down by Lake of the Ozarks and put in around 2010.

[qguy]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

I didn't know that interchange type was called a volleyball. Thanks. I have seen a couple regular volleyballs before. There's another west of Milwaukee at I-41/ WI 190 that's existed since at least the 1970's. I think the original US 54/63 interchange in Jeff City was also like that. It's the Dunn Road addition to the interchange that changes it. The addition of a light on SB Lindbergh at Dunn Road where there was none before adds a complexity to the interchange which makes it unique from my perspective. I'm no longer in the area so I won't hear about the inevitable backups on SB Lindbergh over the radio that I'm sure this light will create.

There are two volleyball interchanges in Pennsylvania, one west of Philadelphia (between I-476 and US 1) and one west of Pittsburgh (between PA 576 and US 22). Both between two freeways.

How I hate them.

There's already one of these in Missouri, down by Lake of the Ozarks and put in around 2010.

I don't mind them at all for local-access interchanges. What I dislike is when they connect two freeways, because they're not free-flowing.

[mvak36]

The signalized interchange is the US 67 (North Lindbergh) interchange, changing from its bastardized cloverleaf to a design I don't remember seeing exactly anywhere else.

Looking at the photo there, it's the type of interchange Kurumi described as a "volleyball" -
https://www.kurumi.com/roads/interchanges/volleyball.html

The example that comes to mind that I remember from my younger years is AB 2 at TCH 1 in Calgary:
https://www.google.com/maps/place/Calgary,+AB,+Canada/@51.0659603,-114.0340124,16.04z/data=!4m5!3m4!1s0x537170039f843fd5:0x266d3bb1b652b63a!8m2!3d51.0447331!4d-114.0718831

I didn't know that interchange type was called a volleyball. Thanks. I have seen a couple regular volleyballs before. There's another west of Milwaukee at I-41/ WI 190 that's existed since at least the 1970's. I think the original US 54/63 interchange in Jeff City was also like that. It's the Dunn Road addition to the interchange that changes it. The addition of a light on SB Lindbergh at Dunn Road where there was none before adds a complexity to the interchange which makes it unique from my perspective. I'm no longer in the area so I won't hear about the inevitable backups on SB Lindbergh over the radio that I'm sure this light will create.

There are two volleyball interchanges in Pennsylvania, one west of Philadelphia (between I-476 and US 1) and one west of Pittsburgh (between PA 576 and US 22). Both between two freeways.

How I hate them.

Will that US22 interchange be upgraded once the PA 576 extension down to I-79 is done?

[74/171FAN]

Will that US22 interchange be upgraded once the PA 576 extension down to I-79 is done?

My understanding is not immediately.  I do not remember seeing any indication of such from the PTC or elsewhere.

[STLmapboy]

So Lindbergh/270 will be the third volleyball in MO, after US-54 at Lake of the Ozarks and the one interchange in Jeff City (bastardized).