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Ks. J. Popiełuszko road viaduct in Gniezno - Zabytek.pl

Ks. J. Popiełuszko road viaduct in Gniezno


bridge Gniezno

Address
Gniezno

Location
woj. wielkopolskie, pow. gnieźnieński, gm. Gniezno (gm. miejska)

Ks.J.Popiełuszko road viaduct running over the railroad tracks is an important transport element in the space of the city of Gniezno and its history.

Built in 1914-18, it has retained its authentic spatial layout and unique structural solutions.

History of the structure

The viaduct is located in the centre of Gniezno by the railroad station and connects the centre of the old town with the southern suburbs. The construction of the viaduct was carried out by the Royal Directorate of the Iron Railway in Bydgoszcz according to the project(?) of KE-D Bromberg. The project, completed in 1914-18, was one of the most expensive investments at the railroad station. The construction was preceded by projects to regulate Warszawska Street, developed in 1913 by the Municipal Construction Office under the direction of Robert Kado. Work was hindered by the outbreak of World War I and the rising costs of the project, which led to the decision in 1917 to build a concrete retaining wall only on one side of the viaduct. The viaduct consisted of three independent structures: a steel truss span, a concrete span, and a reinforced concrete span. The sidewalks were paved with stone slabs and the roadway with cobblestones. In 1933 the company of Franciszek Góźdź from Poznań covered the roadway of the steel span of the viaduct with asphalt panels. The concrete viaduct was bricked up in 1942 due to the closure of the narrow-gauge railway underneath it and transformed into a locomotive depot. The viaduct has retained its historic material and structural solutions. From the side of the driveway from Dworcowa Street original steel railings have been preserved.

Description of the structure

The road viaduct located between Warszawska and Wrzesińska streets and running over the railroad tracks was formed by three independent viaducts differing in span and construction. The longest viaduct of steel construction, with a span in the truss system, was carried over the tracks in the direction of Poznań and Jarocin. The reinforced concrete viaduct ran over the railroad siding leading to the former sugar factory and the concrete viaduct over the narrow-gauge railroad tracks leading to the railroad station. All the driveways of the viaducts: from the north along Warszawska Street, from the south along Wrzesińska Street and from the east from Dworcowa Street were made of concrete retaining walls. The remaining slopes on the other side of the viaduct were formed naturally. The sidewalks on the viaducts were protected with steel railings. Two concrete descents on the west side of the viaduct led to the narrow-gauge railroad station and the signalman’s house. The steel truss viaduct is single-span with a passage beneath, it has a 32 m long and 7.8 m wide roadway with 2.05 m wide pavements on both sides. The load-bearing structure of the viaduct consists of two steel parabolic trusses made of rolled sections. The joints of the trusses are riveted. The span, 31 m wide and 9.4 m wide between the lattice girders, is supported on concrete footings by means of bearings; articulated and double shafted. Behind it, approx. 40 m to the south, a smaller, reinforced concrete slab viaduct with a length of 17.5 m, one-span with an overhead passage, was led over the siding track, diagonally. The next viaduct of concrete construction over the narrow-gauge railroad siding leading to the Gniezno station was located ca. 30 m to the south. A single-span viaduct with a clearance of 3.35 m by 3.2 m with a roadway and two sidewalks on top. The structure of the viaduct consists of a concrete frame with walls 1.5 m thick. The viaduct was bricked up on the west side and converted into a locomotive depot. Along the entire viaduct, a retaining wall on the west side with gaps for the three viaducts was built in concrete construction with vertical expansion joints dividing them into differentiated segments. The architecture of the building, in line with the style of modernism, has retained the most important spatial element - a parabolic truss. However, as a result of subsequent renovations, the building has been deprived of most of its details, except for the stairs on the west side of the viaduct.

Visitor access. The site can be accessed from the outside.

Compiled by: Radomiła Banach, Regional Branch of the National Institute of Cultural Heritage in Poznań, 03.11.2017

Bibliography

  • Zabytkowa stacja kolejowa Gniezno, Miron Urbaniak, Łódź 2009
  • Krajobraz z koleją Drogi żelazne Wielkopolski, Grażyna M. Balińska, Jerzy A. Baliński, Dorota Balińska, Wrocław 2011, pp. 196-7, 226.

Category: bridge

Architecture: nieznana

Building material:  brick

Protection: Register of monuments, Monuments records

Inspire id: PL.1.9.ZIPOZ.NID_N_30_BL.43716, PL.1.9.ZIPOZ.NID_E_30_BL.6819