Lucin Cutoff
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The Lucin Cutoff is a 102-mile (164 km) railroad line in Utah, United States that runs from Ogden to its namesake in Lucin. The most prominent feature of the cutoff was a twelve-mile-long (19 km) railroad trestle crossing the Great Salt Lake, which was in use from 1904 until the late 1950s, when it was replaced by an earthen causeway.
Aerial view of the Lucin Cutoff trestle before removal. The 1950s causeway is to the right of the trestle.
Lucin Cutoff (1903) compared to earlier Promontory Branch (1869). Drawn by Anan Raymond, 1981.
The line included a rail station called Mid Lake, which was in the middle of the Great Salt Lake.
Trestle bridge
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A trestle bridge is a bridge composed of a number of short spans supported by closely spaced frames. A trestle is a rigid frame used as a support, historically a tripod used to support a stool or a pair of isosceles triangles joined at their apices by a plank or beam such as the support structure for a trestle table. Each supporting frame is a bent. A trestle differs from a viaduct in that viaducts have towers that support much longer spans and typically have a higher elevation.
Trestles are useful as approaches to bridges over marshes and shallows.
Trestle of wooden posts, beams, and diagonal braces
Kinzua viaduct over the Kinzua Creek valley in Pennsylvania
Interurban train trestle, completed after the 1915 Galveston Hurricane