Notable Structures
As the A7 motorway route runs through rugged terrain, it utilizes a substantial number of major structures—bridges, viaducts, tunnels, underpasses, flyovers, and culverts. A significant number of interchanges present along Rijeka bypass the 18-kilometre (11 mi) A7 section between Matulji and Sveti Kuzam which consists of seven interchanges (including the Orehovica interchange with the A6 motorway), thus yielding an average distance of only 3 kilometres (1.9 mi) between them.
The longest structures on the A7 motorway are the 858-metre (2,815 ft) Trsat Tunnel located on the Orehovica interchange–Škurinje section, the 595-metre (1,952 ft) Škurinje II Tunnel situated between Škurinje and Rujevica exits, and the 588-metre (1,929 ft) Vežica Viaduct built on Orehovica–Draga section of the motorway. Rječina Bridge, a 210-metre (690 ft) inclined strut reinforced concrete bridge spanning the Rječina River canyon, is also noteworthy because its design and construction conditions are different from normal since it spans a protected water supply zone. The bridge consists of two parallel structures, and the first one to be completed was the northern span in 1984. The southern span was the last structure completed on the present A7 motorway route, and it was opened to traffic in 2009, 25 years after the original span.
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