Skansen Bridge
Coordinates63°25′55″N 10°22′48″E / 63.43185°N 10.380063°E / 63.43185; 10.380063
CarriesTrains
CrossesTrondheim Canal
LocaleTrondheim
Official nameSkansen jernbanebro
Maintained byJernbaneverket
Characteristics
Longest span52 metres (171 ft)
History
OpenedMarch 22, 1918
Location

The Skansen Bridge (Norwegian: Skansen jernbanebro) is a 52-meter span bascule railway bridge located at Skansen in Trondheim, Norway.[1]

History

Railroad train over Skansen Bridge
Skansen Bridge on Vestre kanalhavn in Trondheim

The bridge was opened on March 22, 1918, allowing trains on the Dovre Line access to Trondheim Central Station while also being able to open to allow ships on the Trondheim Canal (Vestre kanalhavn) access to the Trondheimsfjord. It was built at the same time the Dovre Line was rebuilt from narrow gauge 1,067 mm (3 ft 6 in) to 1,435 mm (4 ft 8+1⁄2 in) standard gauge and the stretch between Marienborg and Trondheim Central Station was double tracked.[2]

Skansen Bridge was designed by structural engineer Joseph Strauss, who among other things also constructed the Golden Gate Bridge in San Francisco. The Strauss designed single-leaf iron truss railway bridge with overhead counterweight provides clearance for boat traffic. This type of bridge has a counterweight suspended in a parallelogram, as well as motors and gears to lift and lower the end of the bridge.[3]

In 2006, Skansen Bridge received architectural conservation by the Norwegian Directorate for Cultural Heritage (Riksantikvaren) based upon Skansen Bridge being unique in Norway and only one of a few of its kind left in the world. The conservation includes the entire bridge including construction and technical equipment, the guard cabin and the transformer building. The conservation does not include the railway track, signal equipment or the overhead wires.[4]

See also

References

  1. ↑ Knut A Rosvold. "Skansen jernbanebru". Store norske leksikon. Retrieved December 1, 2017.
  2. ↑ "Skansen Bridges". trondheim.com. Retrieved December 1, 2017.
  3. ↑ "Joseph Strauss". structurae.net. Retrieved December 1, 2017.
  4. ↑ "Skansen jernbanebro i Trondheim fredet". Riksantikvaren. Retrieved December 1, 2017.
  • Koglin, Terry L. (2003) Movable bridge engineering (John Wiley and Sons) ISBN 978-0-471-41960-0
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