INNERBELT BRIDGE PUBLIC MEETING Meeting #1 · 2009. 3. 19. · Innerbelt Bridge Public Meeting....

transcript

Innerbelt Bridge Public MeetingJune 7, 2006

Welcome to the

INNERBELT BRIDGE

PUBLIC MEETING

Meeting #1June 7, 2006

A fiscally responsible design that reflects technology of our time and

respects history and culture of Cleveland

Bridge Type Selection Goal

Today’s Discussion

Welcome and Introductions

Project Status

Bridge Type Selection Process

Initial Bridge Concepts

Open Discussion

Public Input

Your Input is Important !

First of Two Public Meetings for Bridge Type SelectionFocus on Bridge & Global AestheticsProject Website (www.innerbelt.org)

Innerbelt Project Update

Central Viaduct Bridge Site

Project Budget

Construction Group 1

Current Project Construction Budget = $274M (2010 $)

Viaduct Bridge Approx 60% - 70% of Cost of Construction Group

Preliminary Schedule

Timeline of Subcommittee and Public Meetings

Project Team

Innerbelt Bridge Subcommittee

Will recommend a bridge type to ODOT byOctober 2006

Evaluation Criteria

Concepts

Feasible Alternatives

Bridge Type Selection Process

Multiple Bridge Types

Final Alternatives

Initial Concepts

Recommended Alternative

Iterative Evaluation and Selection Process

Innerbelt Subcommittee Public

Bridge Concept Development

Integrated Concept Development

Project Parameters

Structural Requirements

Aesthetics

Contextual Issues

The Result – A fiscally responsible design that reflects technology of our time and respects history and culture of Cleveland

Project Parameters

Preliminary Bridge Cross Section5 Lanes + Shoulders

Uni-directional Outbound Traffic

Project Parameters

Clearances River Navigation

Railroads

Roadways

Project Parameters

GeometricsRamps

Horizontal Curve

Profile

Structural Requirements

Safety / Security

Site-Specific Loads

Pier Placement

Span Configuration

Ongoing Subsurface Investigation

West Slope

Global Aesthetics

Major Element Shapes – Piers and Towers

Global Aesthetics

Major Element Shapes - Arches and Cables

Global Aesthetics

Compatibility - Similar or Distinct?

Detailed Aesthetics - LATER

Defer to Final Design

Textures, Colors, Feature Lighting etc.

Global Aesthetics

Diversity of Views

•From Downtown

•Jacobs Field

•Adjacent Bridges

•Tremont

•Cuyahoga River Valley

Context

Surrounding Elements

Context

Should the bridge stand out or blend in?

Context

View from Existing BridgeBridge supported from Below or AboveImpact on Skyline view

Context

Theme - What Defines Cleveland?

“Signature” vs. “Exotic”

Effect on Cost

OUR GOAL: A fiscally responsible design that reflects technology of our time and respects history and culture of Cleveland

Concept Development Team

Michael Baker Jr., Inc.

Michael Baker Bridge Design Team

John Dietrick - National Director of Bridge Engineering Services

Bob BondiIronton Russell BridgeWeirton-Steubenville BridgeMaysville BridgeBlennerhassett Island Bridge

Jeff BroadwaterFulton Road BridgeFleet, Grant and Railroad Bridges over I-77

Christian Menn

Aesthetics, Economy, Constructability

All Go Hand-in-Hand

Daniel Tassin

Concrete Bridge Expert

Long Career Working with Contractors

Peter Taylor

World-renowned Cable-supported Bridge Expert

Construction Engineering

Bridge Types – Truss

Bridge Types – Cable Stayed

Bridge Types – Box Girder

Bridge Types – Extradosed

Bridge Types – Tied Arch

Bridge Types – Plate Girder

Typical Evaluation Criteria

Maintenance

Constructibility

Aesthetics

Public Input

Environmental Impacts

Evaluation Sub-Criteria – Aesthetics & Context

Travelers perspective: Approach to Downtown Cleveland Leaving Downtown Cleveland

Community perspective: Street Level view from TremontStreet Level view from GatewayView from the Cuyahoga River ValleyView from the Flats

Downtown skyline perspective: Stand Out or Blend?

Tremont skyline perspective: Stand Out or Blend?

Preliminary Concepts

1. Concrete Box Girder2. Steel Deck Truss3. Steel Plate Girder4. Extradosed5. Steel Tied Arch6. Single Tower Cable Stayed (I)7. Single Tower Cable Stayed (II)8. Two Tower Cable Stayed

Concept 1 – Concrete Box Girder

Concept 2 – Steel Deck Truss

Concept 3 – Steel Plate Girder

Concept 4 – Extradosed

Concept 5 – Steel Tied Arch

Concept 6 – Single Tower Cable Stay (I)

Concept 7 – Single Tower Cable Stay (II)

Concept 8 – Two Tower Cable Stay

Next Public Meeting

Three (+/-) Feasible Alternatives

Date: September 13, 2006

Place: Greek Orthodox Church

Contact Us!www.innerbelt.org

Evaluation Sub-Criteria – Aesthetics & Context

Travelers perspective: Approach to Downtown Cleveland Leaving Downtown Cleveland

Community perspective: Street Level view from TremontStreet Level view from GatewayView from the Cuyahoga River ValleyView from the Flats

Downtown skyline perspective: Stand Out or Blend?

Tremont skyline perspective: Stand Out or Blend?

Context

Surrounding Elements

Context

Theme - What Defines Cleveland?

Let’s Talk

INNERBELT BRIDGE PUBLIC MEETING Meeting #1 · 2009. 3. 19. · Innerbelt Bridge Public Meeting....

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