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Chef Menteur Bridge and

Approaches

Louisiana TransportationConference 2013

Lynn Maloney-Mjica, AICP

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Stage 0 Feasibility Study

and

Stage 1 Environmental Assessment

Bridge Replacement Project

Chef

Menteur

Bridge andApproaches

FAP and SPNo.

H000263

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Chef Bridge

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Deficiencies

Related to

Age and

Design

Lack of

Shoulders

Narrow travel

lanes

Stopping sight

distances

Load posted

Reduced speed

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Structural

Deficiencies

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2012 ARCADIS27 February 201311

Needs

Meet current standards fordesign and structural capacity

Improve operational efficiency

of US 90 for transportation and

as an alternative evacuationroute

Address operational reliability

and reduce maintenance costs

Raise roadway above surgeelevation

Improve utility for bicyclists

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Feasibility

Environmental Checklist

Public Outreach

Alternative Alignments

Navigational Clearances

Stag

e0

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National EnvironmentalPolicy Act (NEPA) Review

Environmental Assessment(EA)

Impact AnalysisPublic and Agency Involvement

Line and Grade

Finding of No Significant

Impacts (FONSI)Decision DocumentationS

tag

e

1

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2012 ARCADIS27 February 201314

And you are the only bridge in town!

NEPA

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Community

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Visual Impacts

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Other

Issues

Hazardous

Waste

Noise Relocations

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Navigation

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Addendum to Navigation Height Study

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Wetlands and

Essential FishHabitat

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Section 106

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Historic and Archaeological

Resources

Fort Macomb Structure

Fort Macomb NRHP Property

Archaeological Sites

Historic Bridge

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http://localhost/var/www/apps/conversion/tmp/scratch_10//upload.wikimedia.org/wikipedia/commons/8/8e/Loggerhead_sea_turtle.jpg

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Threatened andEndangered

Species

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West Indianmanatee

Gulf sturgeon

Green sea

turtle

Kemps ridley

sea turtle

Loggerhead

sea turtle

Protected

Species

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Section 4(f)

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Fort Macomb State Park

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Historic Resources HistoricResources

Historic Bridge

Fort Macomb

Structure

Fort Macomb

Property

Archaeological

sites

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Avoidance Alternative 4

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Permits, Mitigation, and

Commitments

Coastal Use and Wetlands

Permit

New Bridge Permit

Protective measures

during construction

Memorandum of

Agreement

Marketing the Bridge

Historic American

Engineering Record

(HAER)

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Imagine the result