GI performed engineering supervision of works on construction of the bridge over Gacka river on Zagreb - Split Highway (Žuta Lokva - Otočac Section).
The Gacka bridge consists of two parts: bridge and viaduct, of 452 m total length.
Bridge structure: encased structure over Gacka channel, continuous bearing element over three section span (55 m + 90 m + 55 m), case height from 1.75 m to 3.50 m, Viaduct structure consists of two main bearing elements – part of bridge over Gacka river, continuous bearing element over 6 spans (5×44 m + 32 m), height of a bearing element is 1.75 m. The bridge is founded on piles Ø 150 cm on the top connected by the beam, placed on the neoprene-non-stick bearings. Viaduct consists of 22 longitudinal segments, for its assembled pushing system was used. The bridge consists of 17 longitudinal segments and it was assembled at site.