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Thebes Bridge

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(Redirected from Southern Illinois & Missouri Bridge Company) Railroad bridge across the Mississippi River
Thebes Bridge
Coordinates37°13′00″N 89°28′01″W / 37.21667°N 89.46694°W / 37.21667; -89.46694
CarriesUnion Pacific, previously the Missouri Pacific Railroad
CrossesMississippi River
LocaleIllmo, Missouri and Thebes, Illinois
Characteristics
DesignContinuous truss bridge
Total length3,959 feet (1,207 m)
Longest span651 feet (198 m)
Clearance below104 feet (32 m)
Rail characteristics
No. of tracks2
History
OpenedApril 18, 1905
Statistics
Daily traffic45.8 trains per day (as of 2014)
Location

The Thebes Bridge is a five-span cantilever truss bridge carrying the Union Pacific Railroad (previously carried the Missouri Pacific and Southern Pacific, in a joint operation) across the Mississippi River between Illmo, Missouri and Thebes, Illinois. It is owned by the Southern Illinois and Missouri Bridge Company, now a Union Pacific subsidiary.

History

The Southern Illinois and Missouri Bridge Company was incorporated in Illinois on December 28, 1900, to own the bridge and 4.64 miles (7.47 km) of connecting rail line. It was initially owned equally by the Chicago and Eastern Illinois Railroad, Illinois Central Railroad, Missouri Pacific Railway, St. Louis, Iron Mountain and Southern Railway, and St. Louis Southwestern Railway.

Following approval of the bridge plans in 1902, limited construction activities began that year. Following litigation over right of way that prevented certain work from proceeding from May 1902 to April 1903, construction continued with the concrete arch approach structures in 1903, and the bridge superstructure itself in 1904. The legal issues "delayed considerably" the completion of the Missouri approach work, one of the main river piers, and led to an increased expense in constructing the superstructure. The bridge was dedicated in May 1905.

The designer of the bridge was Polish-American engineer Ralph Modjeski. Contractors included C. Macdonald & Co. of New York, J.S. Paterson Construction Company of Chicago, MacArthur Brothers of Chicago, and American Bridge Company of New York. The American Bridge Company in turn subcontracted the superstructure's erection to Kelley-Atkinson Construction Co of Chicago.

The Missouri Pacific and SLIM&S merged in 1917, and in 1945 the C&EI sold its 1/5 share to the Missouri Pacific, giving the latter company, since merged into the UP, a majority interest.

See also

References

  1. Missouri Department of Transportation (2017). The Merchants Bridge rehabilitation program (PDF) (Grant application). Figure 10: Rail Traffic Volumes Overlaid with Seismic Hazard, 2014.
  2. "Class I Railroad Annual Report R-1: Union Pacific Railroad Company to the Surface Transportation Board for the Year Ending Dec. 31, 2007" (PDF).
  3. ^ "Thebes Bridge". Modjeski and Masters. Retrieved 2020-06-22.
  4. ^ Noble, Alfred (1907). The Thebes Bridge; a report to the president and directors of the Southern Illinois & Missouri Bridge Company. Chicago: W.F. Hall Printing Company. p. 5.
  5. Glomb, Jozef; Peter J. Obst (Translator) (2002) (in English). A man who spanned two eras: The story of bridge engineer Ralph Modjeski. Philadelphia: Kosciuszko Foundation. ISBN 978-0-917004-25-4.

Further reading

  • Cook, Richard J. (1987). The Beauty of Railroad Bridges in North America -- Then and Now. Golden West Books, California (USA). ISBN 0-87095-097-5.
  • Moody's Steam Railroads 1949 by John Moody of Moody's Investor Service
  • Modjeski, Ralph (February 17, 1905). "Thebes Bridge". Transactions of the Association of Civil Engineers of Cornell University. 13 (published June 1905): 11–24.
Crossings of the Mississippi River
Upstream
Bill Emerson Memorial Bridge
 Thebes Bridge
 Downstream
Cairo I-57 Bridge


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