Gröndalsbron
Encyclopedia
Gröndalsbron are two bridge
s in central Stockholm
, Sweden
, connecting the island Stora Essingen
to the southern mainland district Gröndal
.
The older bridge, inaugurated in 1967, forms a 460-metre section of the Essingeleden
motorway, of which 260 metres constitute the bridge, divided into three pre-stressed concrete frames, 70, 120, and 70 metres in length. Due to several ramps connecting to the bridge the width varies from 38 to 45 metres, while the horizontal clearance is 26 metres throughout the entire structure.
The second bridge, inaugurated in 2000, forms part of the Tvärbanan
light rail
line and is a 120 metres long pre-stressed concrete box girder bridge
. After its inauguration, slip crack
s have been discovered in the bridge, a discovery which was covered up for at least a year and the following revelation in media became a main local news event for some time. The bridge has since been reinforced and is still in operation.
Bridge
A bridge is a structure built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing passage over the obstacle...
s in central Stockholm
Stockholm
Stockholm is the capital and the largest city of Sweden and constitutes the most populated urban area in Scandinavia. Stockholm is the most populous city in Sweden, with a population of 851,155 in the municipality , 1.37 million in the urban area , and around 2.1 million in the metropolitan area...
, Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
, connecting the island Stora Essingen
Stora Essingen
Stora Essingen is an island and a district in the Kungsholmen borough in Stockholm, Sweden. The Essingeleden motorway, part of European route E4, passes along a section of the eastern shore...
to the southern mainland district Gröndal
Gröndal
Gröndal is also the official Swedish name for the Viherlaakso district in the Finnish city of Espoo.Gröndal is a district in South Stockholm, organized into Liljeholmen borough....
.
The older bridge, inaugurated in 1967, forms a 460-metre section of the Essingeleden
Essingeleden
Essingeleden is a motorway that goes from Solna to Stockholm, Sweden, crossing the westmost parts of central Stockholm, by going over Kungsholmen, Lilla Essingen, and Stora Essingen....
motorway, of which 260 metres constitute the bridge, divided into three pre-stressed concrete frames, 70, 120, and 70 metres in length. Due to several ramps connecting to the bridge the width varies from 38 to 45 metres, while the horizontal clearance is 26 metres throughout the entire structure.
The second bridge, inaugurated in 2000, forms part of the Tvärbanan
Tvärbanan
Tvärbanan is a light rail line in the suburbs of Stockholm, Sweden. Its name literally translated into English is Crossways line. It links together many bus and rail lines crossways through its connections with the southern and western subway branches of the Stockholm Metro and the Stockholm...
light rail
Light rail
Light rail or light rail transit is a form of urban rail public transportation that generally has a lower capacity and lower speed than heavy rail and metro systems, but higher capacity and higher speed than traditional street-running tram systems...
line and is a 120 metres long pre-stressed concrete box girder bridge
Box girder bridge
A box girder bridge is a bridge in which the main beams comprise girders in the shape of a hollow box. The box girder normally comprises either prestressed concrete, structural steel, or a composite of steel and reinforced concrete. The box is typically rectangular or trapezoidal in cross-section...
. After its inauguration, slip crack
Shear stress
A shear stress, denoted \tau\, , is defined as the component of stress coplanar with a material cross section. Shear stress arises from the force vector component parallel to the cross section...
s have been discovered in the bridge, a discovery which was covered up for at least a year and the following revelation in media became a main local news event for some time. The bridge has since been reinforced and is still in operation.
See also
- List of bridges in Stockholm
- EssingebronEssingebronEssingebron are two parallel bridges in central Stockholm, Sweden, inaugurated August 21, 1966, and September 3, 1967. Forming a section of the Essingeleden motorway they connect the two islands Stora Essingen and Lilla Essingen and are the most heavily trafficked bridges in Sweden...
- FredhällsbronFredhällsbronFredhällsbron is a bridge in central Stockholm, Sweden. It connects the island Lilla Essingen to Fredhäll, a district on the island Kungsholmen, and, forming a section of the Essingeleden motorway, connects the Lilla Essingen interchange to the tunnel Fredhällstunneln.The bridge is made of...
- AlviksbronAlviksbronAlviksbron is a box girder bridge in central Stockholm, Sweden. Stretching over Oxhålssundet, it connects Stora Essingen island to the western suburb Bromma. Built 1996-1998 by the Nordic Construction Company at a cost of 180 million SEK, it has served the Tvärbanan light rail line and pedestrians...