The Addis Ababa Ring Road Project was part of the City Administration Commitment, a city masterplan proposal borned to implement the infrastructures in the Capital City. The Ring Road is a multi-lanes access controlled highway made in flexible pavement and divided into 3 major phases: in this way it will connect all the five main gates of/into Addis Ababa from all other regions; it will develop a total length of 52 km. The detailed engineering and construction supervision of several structures are foreseen; in particular, as follows, are highlighted four Viaducts/Bridges for respectively a length of 270 l.m.;
on the Kebena river total length of 350 l.m .;
on the Kechene River for a total length of 230 l.m .;
on the Kechene River for a total length  of 310 l.m.