The roadway lies on top of an orthotropic deck on a steel box girder, which is wide, tall and long. The steel box girder weighs , of which is high-strength low-alloy steel. The girder has an octagonal shape and is made with thick steel plates. They are longitudinally stiffened by trapezoidal stiffeners supported by cross frames at most every . Two full bulkheads have been used for every pontoon pilaster, made from welded steel plates thick. External brackets built into the bulkheads transfer the support forces to the pontoons. The girder was built in sections of 21, 36, and 42 meters (69, 118, and 138 ft), which were subsequently welded together into 11 modules with a skew angle of 1.2 to 1.3 degrees. The girder has a constant cross-section throughout the length, except at the anchoring points to the pontoons. The section from the land anchoring to the first pontoon is subject to the most stress, and is made with steel with a higher yield point. The inside of the girder has two dehumidifiers which ensure that it does not rust. The clearance under the girder is .