TOPÇULAR BRIDGE INTERCHANGE

Located within the Gebze district of Kocaeli Province, the D-100 Topçular Interchange is situated on the D-100 State Highway. The project consists of 1,400 meters of main road passage and 3,750 meters of side roads and connection roads.

Construction

Topçular Bridge Interchange
Construction Methodology

The project features a 2x3 lane traffic flow on the main carriageway and includes a 15-span bridge, 2x14 intermediate piers, and a total bridge length of 325 meters. In addition to the vehicular lanes, the structure includes pedestrian walkways measuring 2x(1.5 + 1.0) meters. The total platform width is 2x16 meters = 32 meters.


Upon completion, D-100 highway traffic was redirected via the elevated interchange, while traffic from Darıca–Gebze Road, the north and south side roads, and connection roads is managed through an at-grade intersection beneath the bridge.


Client: Gebze Municipality

Location: Kocaeli / Türkiye

Construction Period: 2014-2015