Interim specifications-bridges-1993 containing revisions to standard specifications for highway bridges, 1990; specifications for design and construction of segmental concrete bridges, 1989; guide specifications of steel bridges, 1989; guide specifications for fatigue evaluation of existing steel bridges, 1989; standard specifications for movable highway bridges, 1988; ANSI/AASHTO/AWS DI.5-88 Bridge Welding Code. (American Association of State Highway and Transportation Officials, 1993)