Mosty Łódź constructed two viaducts under the project "Connection of National Road 1 to the northern part of Częstochowa – National Road 1 Interchange with ul. Makuszyńskiego".

The work was carried out from April to September 2011. The constructed viaducts are two-span structures, both with a total length of over 64 m.

Project challenge: The viaducts were constructed with maintained continuous traffic on National Road 1. It was also required to secure the buildings for the duration of deep excavations.