Need for Prefabricated Bridge Elements and Systems for Accelerated Bridge Construction

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Need for Prefabricated Bridge Elements and
Systems for Accelerated Bridge Construction
WASHTO-X Webinar June 17, 2008
By Vasant Mistry Federal Highway
Administration vasant.mistry_at_fhwa.dot.gov
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Topics

• Update on FHWA Survey on ABC
• Standardizing Prefabricated Bridge Elements and
  Systems (PBES)
• Available Tools and Resources

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Accelerated Bridge Construction

• is to build the bridge first before you set
  cones,
• then quickly move it into place like in hours
  or a weekend!

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Update on FHWA Survey on Accelerated Bridge
Construction
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States using systematic economic process
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Applying ABC for construction of new structures
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Applying ABC for rehabilitation of existing
structures
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Standardizing Prefabricated Bridge Elements and
Systems
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Precast Abutments
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Precast Abutments
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Precast Piers
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Precast Piers
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Precast deck on precast concrete girders
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Precast Decks on Steel Framing
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Precast Decks
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FRP Decks
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Total Bridge Prefabrication
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Total Bridge Prefabrication
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Superstructure Prefabricationwith Continuity
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Superstructure Prefabricationwith Continuity
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Retaining Walls

• Mechanically Stabilized Earth Walls
• Precast Gravity Walls
• Precast Cantilever

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Available Tools and Resources

• Learn more
• www.fhwa.dot.gov/bridge/prefab
• Tools
• Decision-Making Framework for the Use of
  Prefabricated Bridges
• Self-Propelled Modular Transporters (SPMT) Manual
• Connection Detail Catalog for PBES
• FHWA ABC Workshops for DOTs
• FHWA Contacts
• Vasant Mistry at Vasant.Mistry_at_dot.gov
• Kathleen Bergeron at Kathleen.Bergeron_at_dot.gov

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Prefabricated Bridge Elements and Systems (PBES)

• PBES offers significant advantages over
  Cast-in-place construction
• Reduction in onsite construction time
• Reduction in Traffic and Environmental impact
• Lower First and Life-Cycle Costs
• Improves Safety and Quality

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Thank You
Accelerated Bridge Construction