Forsmo Bridge

The Forsmo Bridge (Forsmobron in Swedish; also Forsmo järnvägsbron, the Forsmo railway bridge) is a railway bridge over the Ångerman in Northern Sweden.

The bridge seen in 2014.

Details
Map showing the rail bridge.

The railway bridge was built in 1912. It is a riveted steel-truss-arch railway bridge, 263m long and 50m high. It is on the rail line between Luleå and Borlänge. The 104m main bridge span is linked by hinges to the two side spans.[1]

In 2002, a study was done to see if the bridge could be upgraded to handle freight trains with a 25 tonne axle load. It was determined that a total replacement of the upper superstructure with new longitudinal and cross beams will allow for 30 tonne axle loads and give the bridge a service lifetime of 100 years.[1][2]

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References
  1. "Case Study, Assessment of the Forsmo Bridge". lusas.com. Ramboll/Lusas. 2014. Retrieved September 1, 2014.
  2. PEDERSEN, C (2002-07-02). "ASSESSMENT OF FORSMO BRIDGE, SWEDEN". Structural Engineer. Institution of Structural Engineers. 80 (13): 16. ISSN 1466-5123. Retrieved 31 August 2014.


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