which is wedge-shaped on both sides. This feature of the Sangarius bridge sets it apart from most known Roman bridges, which usually feature pointed cut-waters upstream, and - if existing - also downstream.

On the western entrance a triumphal arch stood, while on the eastern side there are the remains of an apse, whose function is unclear, but possibly served as a religious shrine. The apse features an East-oriented half-dome, and is 11 m high and 9 m wide.