New Bayonne Bridge: Raising the Roadway of an Existing Arch Bridge

Purpose of the Presentation

This presentation covered the followings:
- The difficulties and complexities of a multi-phased bridge project
- Rehabilitation: Strengthening the Existing Arch
- Retrofit: Relocation of the Arch Portals
- Reuse: Raising the Roadway within the Existing Arch
- The process of updating an 85 year old structure to current geometric and structural code requirements
- Challenges and solutions in construction staging to accomodate for two lanes of continual traffic
- The challenges of increasing capacity for live loads on an existing structure
- The importance of finite element analysis for identifying critical structural deficiencies when retrofitting an - existing structure with substantial complexities

Presentation Slides

Outline of the Webinar

1. Project Evolution & Development
2. Project Description
3. The EOR as Construction Engineer
A. Sequencing
B. Computer Model
4. Arch Strengthening
5. The New Portals
6. Temporary Braces
7. Construction of the New Arch Floor
8. Construction Update (? 45% complete)

The Bayonne Bridge: Existing Roadway vs. Proposed Roadway

Multiple Phases, Numerous Construction Stages

Arch Strengthening