page_title: A9 (Croatia)
section_title: Notable structures
hierarchical_section_title: A9 (Croatia) / Notable structures
caption_attribution_description: Viadukt Limska draga, Croatia
context_page_description: The A9 motorway is a north–south motorway in Croatia, with a length of 78.3 kilometres. Beginning in Pula, the largest city on the Istrian peninsula, it runs north to the Croatian motorway and expressway network at the Kanfanar interchange. Here it meets the A8 motorway, forming the Istrian Y road system. The A9 continues north from here to the Kaštel and Plovanija border crossings into Slovenia. The motorway represents a significant north–south transportation corridor in Croatia and is a part of the European route E751. The motorway's national significance is reflected in the positive economic impact on the cities and towns it connects, as well as its importance to tourism in Croatia. Importance of the motorway for tourism is particularly high during summer tourist seasons, when traffic volume increases by more than 80%.
  The A9 motorway construction works began in 1988 with its first section opening in 1991, the second one following the next year and extending the completed route to just 13.6 kilometres. Lack of funding caused delays in further development, and in 1995, BINA Istra was awarded a 32-year build-operate-transfer concession to develop the Istrian Y, including the A9.
context_section_description: The Mirna Bridge and the Limska Draga Viaduct are the longest individual structures on the A9 motorway. The Mirna Bridge is the most significant structure built on the route, spanning the Mirna River to carry the motorway across the river and its valley, and has been in use since 2005. The bridge is 1,354 metres (4,442 feet) long, while the superstructure of the bridge is 10.1 metres (33 feet) wide. Prior to the introduction of the ticket system on the A9, a toll was charged for using the bridge. As of September 2011 the bridge consists of a single carriageway. The Limska Draga Viaduct was built in 1991 to span the Limska Draga valley. The viaduct is 522 metres (1,713 feet) long, and 12.1 metres (40 feet) wide and, therefore, is the second longest structure of the motorway. It comprises continuous box girders of varying depth, across five spans with a maximum height of 125 metres (410 feet). The viaduct has been incorporated into the A9 motorway route since 1999. Like the Mirna Bridge, as of December 2011, the viaduct comprises a single carriageway.
caption: Limska Draga Viaduct
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