Melan Bridge

Melan Bridge - Credit: Wikimedia Commons

The Melan Bridge is located in Emma Sater Park on the east side of Rock Rapids, Iowa, United States. The structure is believed to be the third reinforced concrete arch span built in the country. with Austrian engineer Josef Melan developed a new system of concrete reinforcement for bridge construction in the early 1890s. A fellow Austrian, Fritz von Emperger, introduced the system in the United States, and obtained a patent for it in 1893. Read more on Wikipedia

type: NRHP
date from: 1893

Source: en.wikipedia.org