Tyršův most, Cultural monument bridge in Doudlevce, Czech Republic.

Tyršův most is a steel arch bridge over the Radbuza in Doudlevce, on the road to Radobyčice. Its structure consists of two full-web welded arches of constant height 0.95 m, each assembled on site from five prefabricated parts. The arch span is 50.6 m, crossing the river at the end of the České údolí valley more than 10.5 m above the water; the total length including approaches is 83.9 m.

The bridge was built in 1933 during a period when Czechoslovakia was modernizing its regional connections. It stands as a product of the infrastructure investments that defined the interwar years in the country.

The name Tyršův most honours Miroslav Tyrš, co-founder of the Sokol gymnastics movement, though the sources do not record a direct link between him and this bridge. The crossing is known locally for its association with the Škoda bridge works, whose employees welded the structure in 1933.

The bridge carries the road to Radobyčice over the Radbuza at the end of the České údolí valley, with the deck more than 10.5 m above the water. It was widened from 9 m to 11 m in the 1995 reconstruction, so the roadway and walkways are broader than the 1933 original.

The bridge was the first fully welded arch bridge in the world, and its 50.6 m steel arch was assembled on site from five prefabricated parts. The welding used electrodes from the Austrian firm Böhler & Co. of Kapfenberg. The steel structure with bearings weighs 110 tonnes.