AASHTO LRFD Bridge Design Specifications, 8th Ed.

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These specifications cover the design, evaluation, and rehabilitation of highway bridges. The design provisions of these specifications employ the Load and Resistance Factor Design (LRFD) methodology, which is based on structural reliability theory, and calibrated to achieve a target level of reliability.Updates to this edition include:

  • A completely updated and revised Section 5 on Concrete Structures (Appendix E5, comparing the 7th and 8th Edition versions of this Section can be downloaded below)
  • New, simplified steel girder splice design provisions
  • Updated Section 7 on Aluminum Structures
  • Guidance on the design and fit of steel cross frames