Badische Hauptbahn
To ensure the largest possible flow cross-section of the Seerhein, the new bridge was built 60 m upriver. It had three long spans of 42.6 m each. In addition to the road, it carried the Baden Mainline. Construction Councillor Robert Gerwig from Baden designed the bridge and led the construction team. The Gebrüder Benckiser company from Pforzheim built the sub- and superstructures, starting in October 1858. The road bridge was opened to traffic on 3 December 1860. The double-track railway bridge entered service as the Baden Mainline was opened on 15 June 1863. Construction costs were . Due to increasing traffic loads of the trains, one railway track had to be shut down in 1873. At the time of Nazism, the structure was renamed "Horst-Wessel-bridge".