The National Academies

NCHRP 12-34 [Completed]

Update of AASHTO Standard Specifications for Highway Bridges: Division II---Construction

  Project Data
Funds: $200,000
Research Agency: Imbsen & Associates, Inc.
Principal Investigator: Robert C. Cassano
Effective Date: 10/19/1987
Completion Date: 10/18/1989

The AASHTO Standard Specifications for Highway Bridges consists of two sections: Division I---Design, and Division II---Construction. Both sections should play an important role in bridge design and construction. These sections, along with additional guide and material specifications, aid public agencies in the preparation and use of their standard specifications and contract documents.

The objective of this project was to develop recommendations for a revised Division II-Construction specification that would reflect current practice in highway bridge construction. In addition, a companion commentary explaining the background and intent of the various provisions was also developed.

The project was completed and the recommended specifications and commentary were submitted to AASHTO in 1989. The recommended specifications provided a complete re-write of Division II. AASHTO adopted the revised specifications and commentary in 1990, and they were subsequently issued with the 1991 Interims to the Standard Specifications for Highway Bridges.

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