As part of the extension of National Road No. 61, Mosty Łódź constructed two engineering structures located at the road between Zegrze and Serock.

The construction work was performed from October 2007 to August 2008. Mosty Łódź constructed a road viaduct and a footbridge.

Project challenges: The steel structure of the footbridge arch was attached to reinforced concrete plinth. They are a part of two trapezoid footings placed indirectly on large-diameter (Ø800 mm) bored piles with a length of 10 m.