Fontanka

The Obukhovsky or Obukhov Bridge (Russian: Обуховский мост) is a bridge in St. Petersburg, Russia. It carries Moskovsky Prospekt over the Fontanka River.It was originally built as a stone bridge in 1785–86 to replace a 1717 wooden bridge, and was named after the builder. It was substantially modified in 1865 and again in 1938–1940.

Semyonovsky Bridge or Semenovsky Bridge (Russian: Семёновский Мост) is a bridge across the Fontanka River in Saint Petersburg, Russia. It carries the Gorokhovaya Street. It was opened in 1733 as a wooden bridge and became one of the first bridges across Fontanka. The bridge was rebuilt in stone in 1788, presumably, by Jean-Rodolphe Perronet).