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Lucin Cutoff

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Built  1902–1904
NRHP Reference #  72001257
Area  58 ha
Nearest city  Ogden
Architect  William Hood
Opened  1902
Added to NRHP  14 April 1972
Lucin Cutoff Lucin Cutoff Railroad Trestle The Trestlewood Story
Similar  Promontory Mountains, Golden spike, Great Salt Lake, Newfoundland Mountains, Hogup Mountains

1950 s lucin cutoff union pacific s causeway wooden trestle


The Lucin Cutoff is a 102-mile (164 km) railroad line in Utah which runs from Ogden to its namesake in Lucin. The most prominent feature of the cutoff was a 12-mile (19 km) long railroad trestle crossing the Great Salt Lake, in use from 1904 until the late 1950s, and since replaced by a rock and dirt causeway.

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Lucin cutoff railroad trestle the trestlewood story


Original Construction

Lucin Cutoff Lucin Cutoff A Landing a Day

Built by the Southern Pacific Company (SP) between February 1902 and March 1904, the cutoff bypassed the original Central Pacific Railroad route through Promontory Summit where the Golden spike was driven in 1869. By going west across the lake from Ogden to Lucin, it cut 44 miles (71 km) off the original route and also significantly decreased curvature and grades. Built under the direction of SP chief engineer William Hood, a team of 3,000 SP workers worked seven days a week to build the line.

Lucin Cutoff httpsuploadwikimediaorgwikipediacommonsthu

When the line opened, it included short causeways extending from the western shore of the lake and the edge of Promontory Point, connected with a nearly 12-mile (19 km) long wooden trestle. The cutoff also included a causeway which spanned Bear River Bay from the eastern shore of the lake to Promontory Point. This section included a 600-foot-long trestle to allow Bear River water to flow into the lake.

Lucin Cutoff Lucin Cutoff Wikipedia

By 1908, five passenger trains and seven freight trains were using the Lucin Cutoff in each direction daily. In 1942, the original line was removed between Lucin and Corinne, Utah — with the last Promontory spikes pulled up and the scrap metal donated to the war effort.

In 1944 the cutoff was the site of a train wreck in which 48 people were killed.

Trestle Replacement

The trestle was replaced in the late 1950s with a parallel dirt and rock causeway built under contract by the Morrison Knudsen construction company. The trestle remained in limited use along side the causeway, until about 1975. The railroad eventually sold salvage rights to the trestle and Cannon Structures, Inc., through its Trestlewood division, began to dismantle it in the early 1990s. Trestlewood continues to market and sell the salvaged trestle wood.

Openings in the Causeway

The causeway would prevent lake water from flowing as freely as the open trestle had, and to help mitigate effects two culverts were included in the original causeway construction. The culverts would allow for boat traffic, and a limited amount of water to flow from the lake's southern arm (where surrounding freshwater rivers emptied into the lake) into the lake's northern arm.

In the early 1980s Utah experienced heavy flooding, and much of the extra water along the Wasatch Front flowed into the Great Salt Lake. This resulted in the lake experiencing historic high water levels and flooding nearby landowners. To aid the two culverts in channeling water to the northern arm, the State of Utah constructed a 300-foot-long bridge at the western end of the causeway. The state breached the causeway under the new bridge on August 1, 1984, allowing pent-up water from the southern arm to flow into the northern arm.

The continual slow sinking of the causeway has on occasion required more material to raise its height above the lake level. During the flooding of the 1980s, this buildup included placing 1,430 surplus railcars along the northern edge of the causeway and filling them with rock to act as gabions (this feature is known as the "Boxcar Seawall.")

In March 2011, Union Pacific Railroad (UP), the successor the Southern Pacific, requested permission to close the two 1950s culverts because of damage related to age and a sinking of the causeway into the lake bed. The two culverts were closed in 2012 and 2013. To mitigate the effects of closing the two culverts, the railroad was required to build a bridge and breach the causeway under that bridge. Construction of a 180-foot-long bridge was completed in fall 2016, although the railroad agreed to delay opening the breach for a few months, due to environmental and water level concerns. The causeway was breached beneath the 180-foot bridge on December 1, 2016.

References

Lucin Cutoff Wikipedia


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