Extradosed bridge

Extradosed bridge

Harpe bridge is a extradosed bridge, which means that it is a hybrid between a stay cabel bridge and a prestressed girder bridge.

K13 Harpe bridge / K14 Solhaug bridge / K21 Vinstersletta bridge

As part of the E6 H1 Frya-Vinstra project, Implenia constructed three bridges for AF Gruppen, of which Harpe bridge is the largest with its 320 m. Harpe Bridge crosses Lågen river at Harpefoss in Sør-Fron.

K13 Harpe bridge / K14 Solhaug bridge / K21 Vinstersletta bridge

Project scope. Harpe bridge is a extradosed bridge, which basically means that it is a hybrid between a stay cabel bridge and a prestressed girder bridge. The bridge is 320 m long and has a span of 45m - 60m - 100m - 60m - 45m. The bridge has four lanes and is one of the largest and most spectacular landmarks on the new E6 in Gudbrandsdalen.

In addition to Harpe bridge, the contract included Solhaug bridge of 80 m and Vinstersletta bridge of 125 m.

Project details:

 

  • Contract Type: Prime contract
  • Contract sum: MNOK 178.6
  • Construction time: From March 2014 to October 2015
  • Developer: Statens vegvesen, Region Sør
  • Client: AF Gruppen AS

 

Technical information

K13 Harpe bru:

 

  • Extradosed Stay Cable Bridge (Length 320m)
  • spans 45+65+100+65+45m
  • foundations – piles/flat (fouded on rock)
  • pylons hight 16,0m

 

K14 Solhaug bru:

 

  • 3– span bridge with total lenght of 80m
  • spans 26+28+26m
  • foundations – flat (fouded on rock)

 

K21 Vinstersletta:

 

  • 5 – span bridge with total lenght of 126m
  • spans 23+25+30+25+23m
  • foundations – flat (fouded on rock)