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Downtown Tunnel (St. Louis)

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Downtown Tunnel (St. Louis)
Platform at 8th & Pine
Overview
Other name(s)St. Louis Freight Tunnel
StatusOperational
OwnerBi-State Development Agency
LocaleSt. Louis, Missouri, United States
Termini
Stations4
Service
TypeLight rail
SystemMetroLink
ServicesRed Blue
Operator(s)
Rolling stock
History
Opened1874
Closed1974
Reopened1993
Technical
Line length0.9 mi (1.4 km)
Number of tracks2
CharacterUnderground
Track gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
ElectrificationOverhead line, 750 V DC

The Downtown Tunnel,[1] sometimes referred to as the St. Louis Freight Tunnel,[2] is a historic railroad tunnel beneath Washington Avenue and Eighth Street in downtown St. Louis. Completed in 1874, it carried freight and passenger trains between the Eads Bridge and the rail yards in the Mill Creek Valley, bypassing busy downtown streets. It fell into disuse after closing in 1974 and sat dormant for nearly two decades before its rehabilitation in 1993 for use by MetroLink, the light rail system in Greater St. Louis.

History

[edit]
An 1880 map of the tunnel route between the Eads Bridge and Mill Creek rail yards in downtown St. Louis

City leaders had wanted a wagon bridge to the heart of the city to highlight downtown St. Louis. However, economics required that it be a railroad bridge, but there was no space for railroads on downtown streets. Therefore, a tunnel was authorized to connect the Eads Bridge to the Missouri Pacific Railroad to the south (and later to Union Station).

Cross section drawings of the Downtown Tunnel

The designer of the Eads Bridge, James B. Eads, worked out the specifications for the tunnel.[3] It would be a cut-and-cover tunnel 4,880 feet (1,490 m) long and 30 feet (9.1 m) below street level. A smokestack with a fan that pulled exhaust from the tunnel was built near St. Charles Street (it has since been demolished).[4] Several problems arose during construction of the bridge and tunnel including design changes, inflated land and labor costs, and renegotiated contracts that escalated construction costs 46% over initial estimates. The tunnel structure was completed by June 24, 1874, and the bridge would open less than a month later on July 4.[5]

When it first opened, the tunnel had few users and had already been spun off as the St. Louis Tunnel Railroad Company led by William Taussig.[5] At the time, many railroads did not have licenses to operate in Missouri and by 1875, the company defaulted on its debts and a federal court appointed J.P. Morgan and Solon Humphreys as receivers. Also in 1875, Taussig would supervise the opening of the first Union Depot on Poplar Street, between 11th and 12th streets near the mouth of the tunnel.[5] In 1878, the newly formed St. Louis Bridge Company purchased the bridge and tunnel out of bankruptcy for $2 million, about a third of its original cost, then transferred it in 1880 to interests controlled by Jay Gould.[6] In 1889, Gould would be instrumental in the creation of the Terminal Railroad Association of St. Louis (TRRA).[7] He died in 1892, but his involvement in the TRRA led to the construction of Union Station in 1894.

In 1974, due to the increasing dimensions of railroad cars, the tunnel saw its last train; an Amtrak passenger train. Freight and passenger traffic then switched to the Merchants and MacArthur bridges.[7]

[edit]
Convention Center station construction along the Washington Avenue alignment of the tunnel

In 1971, regional transit planners identified the Airport/Central Corridor alignment as the region's primary target for further study. In the 1987 draft environmental impact statement, light rail was selected as the region's preferred mode alternative.[8][9]: 203  In 1989, after it was determined the downtown portion would use the Eads Bridge and existing tunnel for light rail, the city of St. Louis swapped the MacArthur Bridge for the Eads Bridge with the Terminal Railroad Association.[7] In 1991, rehabilitation began on the subway tunnel for MetroLink with it reopening in 1993. In 1992, just east of the present day Convention Center station, a portion of the tunnel beneath Washington Avenue and Broadway collapsed, injuring no one.[2]

Architecture

[edit]
A closeup of the brick barrel vaults at the 8th & Pine station

The tunnel is notable for its brick and stone construction. Its foundations are made up primarily of Aux Vases sandstone while the upper portion of the tunnel is constructed of brick barrel vaults.[2] In the subway stations that were cut into the tunnel, the ends of the platforms are met with brick archways that complement the arch motif used throughout the MetroLink system.[10]

Station listing

[edit]
Station Location Type Points of interest
Laclede's Landing 200 Washington Avenue Elevated Disabled access Gateway Arch National Park, Laclede's Landing, Horseshoe St. Louis
Convention Center 600 North 6th Street Underground Disabled access America's Center, The Dome at America's Center, Washington Avenue Loft District, 600 Washington, MX District, National Blues Museum, Federal Reserve Bank of St. Louis
8th & Pine 323 North 8th Street Underground Disabled access Old Post Office Plaza, United States Customhouse and Post Office, Citygarden, Kiener Plaza, Gateway Mall
Stadium 400 South 8th Street Below-grade Disabled access Busch Stadium, Ballpark Village, Cupples Station, Thomas F. Eagleton Federal Courthouse

References

[edit]
  1. ^ "Public Transportation Agency Safety Plan" (PDF). East-West Gateway Council of Governments. March 31, 2022. p. 136. Archived (PDF) from the original on September 22, 2023. Retrieved February 6, 2024.
  2. ^ a b c "St. Louis Freight Tunnel". Bridgehunter.com. Retrieved 2022-11-08.
  3. ^ Jackson, Robert W., Rails Across the Mississippi: A History of the St. Louis Bridge, University of Illinois Press, Urbana, 2001, p 137, ISBN 0-252-02680-2
  4. ^ Naffziger, Chris (2016-08-03). "A Cache of Archived Drawings Reveal the Secrets of the Eads Bridge". www.stlmag.com. Retrieved 2022-11-08.
  5. ^ a b c Primm, James, Neal (2010). Lion of the Valley, St. Louis, Missouri 1764–1980 (3rd ed.). United States: Missouri Historical Society Press. pp. 289–292. ISBN 978-1-883982-25-6.{{cite book}}: CS1 maint: multiple names: authors list (link)
  6. ^ "Part I: Transportation". stlouis-mo.gov. Retrieved 2022-11-08.
  7. ^ a b c "TRRA History – Eads/MacArthur Swap". www.terminalrailroad.com. Retrieved 2022-11-08.
  8. ^ St.Louis Metro Link Project, St.Louis and East St.Louis (MO, IL): Environmental Impact Statement. 1987.
  9. ^ Campion, Douglas R.; Wischmeyer, Oliver W. Jr. (1988). Infrastructure Rehabilitation and Technology Sharing in Bringing LRT to St. Louis (PDF) (Report) (221 ed.). Transportation Research Board. Retrieved October 14, 2019.
  10. ^ "Bridge Piers – Arch Motif". Arts in Transit, Inc. Retrieved 2022-11-08.
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