Bridge over Zamanlu river gorge situated in the 2639+180,5th km of South-Caucasian railway bridge construction began in 2006 close to the current more than 100 years old bridge for the transfer of trains on the new bridge, because the elements of the span construction of the existing bridge are damaged, corroded.New span consists of a truss to ride on top, computed under the railway load C-14. Length of the bridge – 170m, longitudinal scheme – 3x51,014m Height of the piers –27m. Precast concrete – 33m3 Monolithic concrete – 3208m3 Metallic constructions – 592tn