MoDOT Seeks Feedback on Grand Boulevard Bridge at I-44 Project

I-44_Grand overpass-page-001

The Missouri Department of Transportation (MoDOT) is holding a public meeting tonight to discuss the replacement of the Grand Boulevard bridge over Interstate 44 near the Compton Heights reservoir and Saint Louis University Hospital. Construction is planned to begin in June of this year and be completed in phases with completion of driving lanes by the end of the year.

Plans for the replacement are clearly complete, but this is the opportunity to submit comments to MoDOT. So what are we looking at regarding this project? Pedestrian access during construction, bike lanes and at least basic pedestrian amenities upon completion. This is an inhospitable location for anyone not in a car (and really, people in cars too)

According to MoDOT images, pedestrian access would be maintained on at least one side of the bridge at all times during construction, though some turning movements for cars would be closed periodically. Upon completion, bike lanes, already in place north and south of the bridge, will be painted on the bridge itself. Currently only a northbound bike lane is painted. Grand isn’t a great cycling street, but the added lanes are needed. Pedestrian crosswalks get more visible piano key crossings. Today, the single white stripes are faded or absent.

The other changes we spotted were the elimination of a dedicated right turn lane from northbound Grand onto eastbound Lafayette Avenue, and the elimination of excess roadway on the west side of the bridge. That area had been a travel lane, but the lane no longer exists south of the bridge.

The existing Grand Boulevard bridge at I-44:

Grand at I-44

Existing pedestrian environment:

S Grand pedestrian 2 S Grand pedestrian

The information below is the same as is being shared at the public meeting. MoDOT will continue to take comments on the potential impacts of the project until Monday, March 21.

To leave a comment for MoDOT, click here.

What is the situation?
The Grand bridge over I-44 in St. Louis City is old. Built in 1969, the bridge is one of a few remaining bridges along I-44 that are below the standard height for bridges over an interstate. The bridge is deteriorated and needs to be replaced.

What is the current plan?
This summer, MoDOT will remove, raise and replace the Grand bridge over I-44 in three stages.  Construction will start in June, with all driving lanes reopen by the end of the year.  Some work that doesn’t impact the driving lanes will be completed in spring 2017.

During construction, at least one lane will remain open in each direction. Drivers will not be able to make a left turn at the bridge – that means southbound drivers will not be able to access eastbound I-44 and northbound drivers will not be able to turn onto the westbound I-44 ramp. There will be short periods when drivers will not be able to make right turns from Grand onto the interstate.

When the bridge construction is complete, drivers will have two northbound and two southbound lanes, and a dedicated left turn lane. In addition, cyclists will have a dedicated lane along the bridge in both directions. Pedestrians will have a sidewalk on each side, as well.

How will the bridge be replaced?
Construction starts in June.  Drivers can expect:
June-August: All traffic is moved to the northbound bridge. Drivers will have one southbound lane and two northbound lanes. They will not be able to make left turns onto the interstate, but will be able to make right turns – except for a two-week period yet to be determined.

(click on images to view larger)

Phase 1a – June-August*

Phase 1b – late August*

Late August-early September: Traffic is moved to the outside lanes so crews can work on the middle of the bridge for two weeks. Drivers will have one northbound and one southbound lane on the bridge.

Phase 2 – early September *

September – November: All traffic is moved to the new southbound bridge. Drivers will have one northbound lane and two southbound lanes. They will not be able to make left turns onto the interstate, but will be able to turn right, except for a two-week period yet to be determined.

Phase 3a – early September*

Phase 3b – September – November*

Final bridge plan:
I-44_Grand overpass-page-001

* All dates are weather dependent and subject to change.

What are the suggested detours?
To get onto the interstate, drivers should use Jefferson Avenue via Chouteau Avenue

Why is this work being done at the same time as the Kingshighway construction?
There are many bridges along I-44 which are reaching the end of their life span and need renovation or replacement. These bridges are safe, but need to have work completed on them to continue to allow vehicles to use them. With as many bridges on the interstate as there are, we cannot afford to only have one bridge on the corridor closed at a time for renovations or repair. As we plan and develop projects, we look at the overall impact of the roadway network, to include that caused by work being done on other surrounding roadways.  In this case, we believe the two bridges are far enough apart, and that, although there is an impact on the surrounding roadways, we need to allow the two projects to be completed at the same time.

To leave a comment for MoDOT, click here.

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  • kjohnson04

    Grand is terrifying on a bike. I made the mistake of riding it during rush hour. Never again.

    That said, I look forward to more bike infrastructure.

  • DB

    Pretty disappointed with some our alderman who either don’t bother to ask city streets about its job or maybe city streets doesn’t tell the alderman about its coordination meetings with MoDOT

  • tbatts666

    report from going to the meeting.

    Apparently the traffic engineers thought it would be feasible to do one lane in each direction, but had pressure from the city to leave 3 lanes for cars. (At the expense of pedestrian and bike facilities).

    In talking to the modot officials at the meeng, I was surprised to find they had never heard of a lot of very basic safety interventions done in other places, Such as green paint bike lanes/sharrows and protected bike lanes (they weren’t even aware of the one in downtown St. Louis). I had to show them pictures from my phone.

    Pretty cool that there will be a bike lane in both directions after the construction is done.

    • Luftmentsch

      Can’t believe the city still (Contrary to the hype) refuses to take seriously the bike and pedestrian experience

      • tbatts666

        Well it’s modot, not STLstreets who is doing this work.

        i totally agree with you though, a real shame we don’t have safer infrastructure.

    • DB

      MoDOT usually goes with what the gateway bike plans calls at minimum and at times beyond if it makes sense and the city wants it.

  • Garrett Patrick

    Does anyone know what exactly the smaller bridge next to this one is? It looks like it carries utility lines for sure but maybe pedestrians at one time too

    • tbatts666

      I spoke with s traffic engineer at modot who said it was only designed for utilities.

      Unfortunately they didn’t think it was equipped to handle pedestrian traffic safely.

      • kjohnson04

        It could. They just probably never seriously considered it. People aren’t heavy, as a general rule.

  • tbatts666

    I *think* these pictures don’t represent the current state. The right lane on the northbound side only exists as a turning lane. So it’s got solid stripes. Pretty excited to have a bike lane in both directions, I think it would be nice to have it protected for the length of the bridge. I think they have enough space if they removed the median.

    Thanks for the heads up I will definitely show up tonight