new mississippi river bridge ewgcog presentation january 8 2007
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New Mississippi River Bridge EWGCOG Presentation January 8, 2007

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New Mississippi River Bridge EWGCOG Presentation January 8, 2007. Original MRB Project Components. Relocated I-70 (Including new river bridge, Missouri interchange and new alignment in Illinois) Relocated IL 3 I-64 Connector Tri-Level Interchange Reconstruction

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original mrb project components
Original MRB Project Components

Relocated I-70

(Including new river bridge, Missouri interchange and new alignment in Illinois)

Relocated IL 3

I-64 Connector

Tri-Level Interchange Reconstruction

(I-55/64/70 Interchange in

East St. Louis)

Reconstruction of Poplar Street Bridge Approaches

re evaluated mrb project components
Re-Evaluated MRB Project Components

Relocated I-70

(Including new river bridge, Missouri interchange and new alignment in Illinois)

slide5

Illinois/Missouri Cost Breakdown

*Assuming construction starts in Spring 2007 and is completed by 2013

slide6

Illinois/Missouri Cost Breakdown

$910* million Relocated I-70 Project Cost

- $239 million Federal Funds

$671 million shortfall for Relocated 70 Project

IL portion - $361 million

MO portion - $310 million

*Assuming construction starts in Spring 2007 and is completed by 2013

affordable alternative
Affordable Alternative
  • Need an affordable solution
  • One that increases interstate capacity in the downtown area
  • And can be built within the same timeframe as Relocated I-70
slide8

Martin Luther King Bridge Coupler

CONCEPTUAL

Martin Luther King Bridge Coupler Overall View

slide9

Martin Luther King Bridge Coupler (MO Approach)

Martin Luther King Bridge Coupler

MO Approach Details

martin luther king bridge coupler
Martin Luther King Bridge Coupler
  • Based on a conceptual review and an assumed start date of 2011, the cost estimate is $410 million to $450 million
  • New 4-12’ lane parallel bridge
  • Provide 3-12’ lanes on existing MLK Bridge
  • Direct ramps to existing I-70 in MO
  • Direct ramps to existing I-55/70 near M.L. King Drive in East St. Louis
martin luther king bridge coupler advantages
Martin Luther King Bridge Coupler - Advantages
  • Could be completed in the same timeframe as Relocated I-70
  • No tolls
  • Removes I-70 from the Poplar Street Bridge
  • Expected to redistribute regional traffic and improve access to downtown St. Louis
  • New 4-lane bridge
martin luther king bridge coupler funding sources
Martin Luther King Bridge Coupler – Funding Sources

$410 to $450 million *Total Cost

$164 million Federal T-bill (IL)

$ 75 million Federal T-bill (MO)

$ 50 million State of Missouri

$121 to $161 million State of Illinois

*Assuming construction starts in 2011

why this alternative now
Why This Alternative Now?
  • The original Mississippi River Bridge project is a comprehensive, regional improvement. If unaffordable, T-bill funding is in jeopardy .
  • The Martin Luther King Bridge Coupler is an affordable alternative to be considered.
next steps
Next Steps
  • Coordinate support of FHWA, MoDOT, City of St. Louis, E. St. Louis and other local agencies
  • Begin the Environmental Impact Statement process
slide15

Illinois MRB Project Funding

Included in the District 8 portion of the FY 2007-2012 Proposed Highway Improvement Program are the following projects for the MRB project. This funding is a combination of federal and state funds.

*Contingent funding refers to the need for additional federal funds in order to complete these portions of the project.

slide16

Illinois MRB Project Funding

Included in the District 8 portion of the FY 2007-2012 Proposed Highway Improvement Program are the following projects for the MRB project. This funding is a combination of federal and state funds.

*Contingent funding refers to the need for additional federal funds in order to complete these portions of the project.

slide17

Illinois MRB Project Funding

  • District 8 has $924 million out of $10.4 billion of projects listed in IDOT’s FY 2007-2012 Proposed Highway Improvement Program.
  • These projects are funded using a combination of state and federal funds.
  • Revenue streams can be any one or combination of the following items:
    • Illinois motor fuel tax, Illinois motor vehicle registration, Illinois special capital funds and federal discretionary or formula funds.
slide18

Federal MRB Project Funding

  • Listed below is a brief description of each SAFETEA-LU earmark for the MRB Project.
  • SAFETEA-LU Legislation for Illinois:
  • National & Regional Significant funds $150 mil
  • #10 Mississippi River Bridge and related roads
  • Transportation Improvements funds $ 14 mil
  • #145 Construct new Mississippi River Bridge and related roads in the vicinity of East St. Louis
  • SAFETEA-LU Legislation for Missouri:
  • Highway Bridge Program funds $ 50 mil total

(= 12.5 mil per year for 4 years)

  • (iv) to the State of Missouri for construction of a structure over the Mississippi River to connect the City of St. Louis, Missouri to the State of Illinois
  • Transportation Improvements funds $ 25 mil
  • #211 Mississippi River Bridge St. Louis, Missouri
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