Bechynský most Duha / Bechyne "Rainbow" bridge - Bechyne (South Bohemia) - Philatelic Photographs on Waymarking.com

This stamp issued by Protectorate of Bohemia and Moravia in 1940 depicts a unique reinforced concrete arch bridge over the river Lužnice in Bechyne, called Bechyne "Rainbow" bridge (Bechynský most "Duha"). The Bechyne bridge is currently used by road and railway transport (road number 122 and the the Tábor-Bechyne railway line 202).

The railway track is located at the eastern edge of the road. During the passage of the train, the road traffic in the direction from Týn nad Vltavou to Bechyne is stopped by a level crossing safety device without a barrier and the opposite direction of road traffic is not affected by the passing train. The bridge was declared a National cultural monument in 2014.

Construction of a bridge according to the project of Dr. Eduard Viktora started in May 1926, the arch passports were concreted in the beginning of December, other concrete work was roughly completed in the end of 1927 and the construction was completed in the summer of 1928. Sand from Lužnice and gravel from the nearby Cermák quarry were used for concrete. The bridge was ceremoniously opened on October 28, 1928 to mark the 10th anniversary of the Republic's independence.

The bridge structure is reinforced concrete, height from the river level is 60 meters, the total length is 190.50 m, and the width is 8.9 m. The main arc has a span of 90 m and a rise of 38 m, and a subsidiary fields 4 × 13.5 m and 3 × 15.5 m. The main field is made up of two arched passports connected by bracings. The distance of the arches at the top is 6 m, at the base 8.25 m, and the peak height of the columns is 28 m.

Source: excerpted and translated from Wikipedia