Foundations of existing highways and over-river bridges may have significant functional value. Hence, reuse of foundations of existing bridges during reconstruction or major rehabilitation can result in significant savings in costs and time. This rep...

The Delaware Department of Transportation (DelDOT) has developed this Bridge Design Manual to provide guidance and assistance in the theory and practice of all design related to bridges and structures as authorized by the State Legislature. This manu...

The use of integral abutment bridges (IABs) is growing rapidly in the U.S., primarily because of lower maintenance costs compared to conventional bridges. However, current length and skew limitations employed by IDOT are not based on rigorous enginee...

This document presents information on the analysis, design, and construction of driven pile foundations for highway structures. This document updates and replaces FHWA NHI-05-042 and FHWA NHI-05-043 as the primary FHWA guidance and reference document...

This document provides guidelines for identifying stream instability problems at highway stream crossings and for the : selection and design of appropriate countermeasures to mitigate potential damages to bridges and other highway components : at str...