Gröndalsbron () are two

bridge A bridge is a structure built to Span (engineering), span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, whi ...

s in central

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

, 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 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. Essingeleden has three bridges – Fredhällsbron (270 m), ...

motorway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway, and expressway. Other similar terms ...

, of which 260 metres constitute the bridge, divided into three

pre-stressed concrete Prestressed concrete is a form of concrete used in construction. It is substantially prestressed ( compressed) during production, in a manner that strengthens it against tensile forces which will exist when in service. Post-tensioned concreted is ...

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 () is a light-rail, light rail line in Stockholm, Sweden, which runs largely in a semicircle south, west and north around central Stockholm - crosswise to the otherwise radial Stockholm Metro, metro and Stockholm commuter rail, commut ...

light rail Light rail (or light rail transit, abbreviated to LRT) is a form of passenger urban rail transit that uses rolling stock derived from tram technology National Conference of the Transportation Research Board while also having some features from ...

line and is a 120 metres long pre-stressed concrete

box girder bridge A box girder bridge, or box section bridge, is a bridge in which the main beam (structure), beams comprise girders in the shape of a hollow box. The box girder normally comprises prestressed concrete, structural steel, or a composite ma ...

. After its inauguration, slip cracks 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.

References

External links

Stockholmsförsöket - variations in traffic loads over Gröndalsbron
Bridges in Stockholm Bridges completed in 1967 Bridges completed in 2000 Box girder bridges Rail infrastructure in Stockholm County 1967 establishments in Sweden 1960s establishments in Stockholm {{Sweden-bridge-struct-stub

See also

References

External links