Gröndalsbron ( sv, The Gröndal bridge) are two

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

s in central Stockholm, Sweden, connecting the island

Stora Essingen Stora Essingen is an island and a district in the Kungsholmen borough in Stockholm, Sweden. It is located adjacent to Lilla Essingen on Lake Mälaren. Both Essingen Islands are mainly residential areas. Stora Essingen is scattered with private ...

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), Essin ...

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 i ...

, 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 i ...

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 line in Stockholm, Sweden. Its name literally translates to ''The transverse line'', as it operates crosswise to the otherwise radial metro and commuter rail lines of Stockholm. It links together several transit ...

light rail 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 beams comprise girders in the shape of a hollow box. The box girder normally comprises prestressed concrete, structural steel, or a composite of steel and re ...

. 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 {{Sweden-bridge-struct-stub

See also

References

External links