Poplar Street Bridge
City Arch River
Consultant Presentation
December 16, 2011
Room 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.
newriverbridge.org
 http://www.newriverbridge.org/
newsroom-library.html#plans