Myszków – Nierada

Task name:  Reconstruction of a road flyover in the line of the county road no. 1715S at km 0+887 over the CMK line in Myszków-Nierada, and reconstruction of access road surfaces.

Contracting Party:  County Road Management Board in Myszków

General Contractor: Nowak-Mosty Sp. z o.o.

Structure’s technical parameters:

Three-span composite load-bearing structure, concrete and concrete (T-shaped girders), non-piled foundation

Total length  Lc                   – 72.0 m

Span length Lt:                   – 17.9 + 24.75 + 17.9

Flyover width, b                   – 10.95 m

Load class – A acc. to PN-85/S-10030

Obstacle(s): railway lines no. 001 Warszawa – Katowice, no. 004 Central Railway Line (Centralna Magistrala Kolejowa, CMK)

The structure is located in the line of the county road no. 1715S at km 0+887 in Myszków.

Technical parameters of the road no. 1715S:

Total length:                                  0.622 km

Road category:                          county road

Road class:                                       Z

Traffic category:                              KR2

Design speed limit:                  Vp = 40 km/h

Scope:

– road traffic arrangement – bypass

– railway traffic arrangement – closures, train speed limits

– demolition of the existing flyover – equipment, load-bearing structure, supports (with support

foundations being intact)

– construction of a new flying junction – monolithic reinforced concrete abutments and non-piled pillars

new composite load-bearing structure, concrete and concrete (with prefabricated T-shaped girders)

– reconstruction of the road section from km 0+537.0 to km 1+159.07

 Delivery time: start date: 17/09/2018; end date: 30/11/2019