Construction of the Dagu Bridge began on July 6, 2003, as the first new bridge in the Tianjin Municipal People's Government comprehensive development and renovation project for the Haihe River. The project was ambitious: not merely a transportation crossing but a statement about what Tianjin's riverfront could become. The bridge opened on November 27, 2005, after the epoxy asphalt concrete bridge deck was completed in late 2004. The Dagu Bridge spans the Hai River perpendicular to its flow, its 154-meter total length carrying a 24-meter-wide motor vehicle roadway with the overall bridge surface expanding from 30 to 59 meters wide to accommodate pedestrian areas and the semicircular viewing platforms that extend from both sides.

The bridge is technically classified as an asymmetrical floating joint beam arch bridge -- a mouthful that captures its unusual structural logic. Eighty-eight booms suspended from the two arches carry the full weight of the 106-meter main span. The three-span continuous beam system uses a lower-bearing pole arch configuration, with the main structural materials consisting of orthogonal steel bridge decking, steel box arches, prestressed steel strands, concrete piers, and parallel steel wire harness booms supported by drilling perfusion pile foundations. The total steel weight of the bridge reaches 4,300 tonnes. The design emerged from collaboration between the Tianjin City Construction Group, Lin Tongyan International Company, and Canadian planning firm IDEALS, with bridge master Deng Wen proposing the final design concept that gave the bridge its distinctive visual identity.

The Dagu Bridge is more than a river crossing; it functions as one of the visual anchors of Tianjin's renovated Haihe riverfront. The semicircular viewing platforms that extend from the bridge deck invite pedestrians to pause above the water, turning a transit structure into a public space. At night, the arches are illuminated, their asymmetrical forms reflecting in the river and creating a skyline marker visible from considerable distance. The bridge area covers 7,000 square meters -- large enough that it reads less as a bridge and more as a small urban park suspended over water. For a city that has spent decades reinventing its relationship with the Hai River, the Dagu Bridge represents a philosophical shift: from treating the river as an obstacle to be spanned as efficiently as possible, to treating it as a destination that infrastructure should celebrate.