However , the works did not include construction of a parallel structure across the Mirna River which would carry the additional carriageway .
The A9 route between Umag and Kanfanar , where the Mirna Bridge is located , was upgraded to motorway standards in June 2011 .
The works did not include construction of a parallel structure across the Mirna River which would carry the additional carriageway .
The A9 route between Umag and Kanfanar , where the Mirna Bridge is located , was upgraded to motorway standards in June 2011 .