Hörn Bridge, Steel footbridge in Kiel, Germany.

The Hörn Bridge is a three-segment folding bascule footbridge and cycle bridge over the Hörn in Kiel harbour. Its steel structure is 25.6 metres long and 5 metres wide, and the segments fold into an N shape to let vessels pass. It links the city centre by the main station with Gaarden-Ost and the Norway ferry terminal.

The Hörn Bridge was completed in 1997, designed by Volkwin Marg of Gerkan, Marg and Partners with engineer Jörg Schlaich. It was built primarily to link the Norway Ferry Terminal on the east bank with Kiel's main railway station. Repeated malfunctions at startup earned it the nickname "Klappt-Nix-Brücke" (Works-not Bridge), and a hydraulically operated retractable bridge was built alongside as a substitute. From 5 October 2026 the folding bridge is to be dismantled and moved to the Museumshafen in Flensburg.

Locals nicknamed the bridge "Klappt-Nix-Brücke" ("Works-not Bridge") after repeated malfunctions at startup. During Kieler Woche, the crossing toward the venues around the Hörn gets so crowded that it is sometimes restricted to one direction or closed entirely. The bridge is also the start or end point of the Deutsche Fährstraße, a tourist route opened in May 2004 from Bremervörde to the Kieler Förde.

The bridge opens about twelve times a day, each time for a quarter of an hour, and additionally on demand, for example during Kiel Week for regatta escort boats. A hydraulically operated retractable bridge directly alongside serves as a replacement during repairs or maintenance. Since October 2025 the folding bridge has been out of service, expected until summer 2026.

The Hörn Bridge is the only bridge worldwide built on the three-field folding principle, folding into the shape of the letter "N". Because of its high maintenance costs, it is due to be dismantled in November 2026 and moved to the Flensburg museum harbour. A hydraulically operated retractable bridge stands directly beside it as a replacement during repairs.