Brief Description and Objectives of the Project

Design and construction of a three-level interchange at the intersection of Zanjan-Bijar Highway and Shahid Beheshti Boulevard, including an overpass bridge and an underpass along with two roundabouts and access ramps, aimed at facilitating the traffic flow at the intersection
The Level 1+ interchange features an overpass bridge with a length of 485 meters and a width of 7.7 meters, with the longest span measuring 120 meters.
The structural system is of the cable-stayed bridge type, consisting of a composite deck, a steel pylon, and coated stay cables
The Level 1- interchange includes an underpass with a length of 450 meters and a width of 19 meters,
with the deck structure being made of precast concrete slabs
The retaining walls of the underpass are of the poured concrete pile type, covered with precast concrete elements