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FHWA and the South Dakota Department of Transportation recently partnered to study the effects of inlet geometry on water flow in cast-in-place and precast structures.
While some transportation agencies are building new roads and bridges, nearly every agency is focused on keeping the Nation's existing roads and bridges up and running.
With the goal of ensuring a more uniform level of safety and reliability for highway structures, the Federal Highway Administration (FHWA) and the American Association of State Highway and Transportation Officials (AASHTO) established an October 2007 deadline for States to transition to using load and resistance factor design (LRFD) specifications for highway bridges.
Below are brief descriptions of products recently published online by the Federal Highway Administration's (FHWA) Office of Research, Development, and Technology.