The purpose of this study is to develop a more exact horizontally curv
ed beam finite element in a cylindrical coordinate system. The variati
on method is used to formulate the stiffness matrix and the results of
the solution are compared with another study using a closed form solu
tion. The stiffness matrix for a curved beam element can be used in an
alyzing the behavior of horizontally curved bridges for either open or
closed sections.