Poplar Street Bridge City Arch River Consultant PresentationDecember 16, 2011Room 160, St. Louis District Office

MRB Phase 1

MRB Phase 1

PSB Interchange Scope Remove EB I-70 Ramp Remove and Replace PSB ramp to Memorial/WB I-70

ramp Remove and Replace SB I-55 Ramp with New Dual

Lane Ramp Remove and Replace NB I-55 Ramp with New Dual

Lane Ramp Convert I-70 Depressed Lanes from 4-Lane to 5-

Lane Section Add Auxiliary Lane Between PSB and New I-70 Exit

Ramp to Washington Avenue

2011 Improvements to PSB

2011 Proposed PSB Interchange Improvements

2011 Proposed PSB Interchange Improvements

I-70 Typical Section in Depressed Area

City Arch River 2015

Land Bridge Over I-70

City Arch River Land Bridge Scope

Improvements to I-70, Memorial Drive, and City Streets

Remove and Replace Walnut Street Bridge Remove Market, Chestnut, and Pine Street Bridges Construct Land Bridge over I-70 Between Market &

Chestnut Remove NB Memorial Drive between Walnut and

existing WB I-70 ramp

Remove SB Memorial Drive between Chestnut and Market

Land Bridge Over I-70

City Arch River I-70 Ramps and 3rd Street /MLK Bridge

Intersection Modifications Remove EB I-70 exit ramp to Memorial Drive and

Replace with new EB I-70 entrance ramp from Washington Ave.

Remove WB I-70 entrance ramp from Memorial Drive and Replace with a new WB I-70 exit ramp to Washington Ave.

Geometric revision to the 3rd Street / MLK Bridge Intersection.

I-70 Ramps to/from Washington Avenue

3rd Street / MLK Intersection Improvements

Schedule for CAR Proposals Due -

1/13/12 Interview Selection-

1/20/12 Interviews- 2/1/12 Final Selection- 2/3/12 Negotiations Done- 3/2/12 Notice to Proceed- 3/9/12

Schedule for PSB Proposals Due -

1/27/12 Interview Selection- 2/7/12 Interviews-

2/17/12 Final Selection-

2/21/12 Negotiations Done-

3/22/12 Notice to Proceed-

3/27/12

Schedule for Ramps & MLK

Proposals Due -2/17/12

Interview Selection- 2/24/12

Interviews- 3/2/12 Final Selection- 3/5/12 Negotiations Done- 4/4/12 Notice to Proceed-

4/11/12

AJR and NEPA Process Combined AJR for PSB / CAR Projects Separate NEPA documents AJR Submittal to FHWA by end of December NEPA for PSB Interchange requires Re-Evaluation

of NMRB EIS NEPA for City Arch River requires EA Approved AJR and Signed NEPA Documents by

May 2012 Some Risk in Moving Forward

Contingencies

CAR – Funding from TIGER Grant

PSB- Approval on TIP ALL 3 – Approval of NEPA and

AJR

Diversity

DBE & Workforce PSB – 20% DBE CAR (Land Bridge) – 20%

DBE Ramps & MLK – 20% DBE

Monthly Workforce Plan

Baseline Survey Control Points to be

provided by City Arch River to insure consistency on all projects.

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