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San Luis Bridge

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Coordinates: 37°11′37″N 105°25′49″W / 37.19361°N 105.43028°W / 37.19361; -105.43028
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San Luis Bridge
Bridge in 2012; plaque is inset at top-right
Coordinates37°11′37″N 105°25′49″W / 37.1936°N 105.4303°W / 37.1936; -105.4303
LocaleOff SH 159, San Luis, Colorado
Characteristics
DesignOpen Spandrel Arch
Total length62 feet 6 inches (19.05 m)[1]
Width14 feet 1 inch (4.29 m) (roadway)[1]
Longest span57 feet (17 m)[1]
History
ArchitectState Engineer of Colorado
Constructed byLevy, M. F., Construction Co.
Construction startFebruary 22, 1911
Construction endMay 1911
Construction cost$4,860.35[2]
San Luis Bridge
San Luis Bridge is located in Colorado
San Luis Bridge
San Luis Bridge is located in the United States
San Luis Bridge
Coordinates37°11′37″N 105°25′49″W / 37.19361°N 105.43028°W / 37.19361; -105.43028
Area0.1 acres (0.040 ha)
MPSVehicular Bridges in Colorado TR
NRHP reference No.85000195[3]
CSRHP No.5CT.141[4]
Added to NRHPFebruary 4, 1985
Location
Map

The San Luis Bridge, also known as State Bridge or Bridge over Culebra Creek,[1] is a historic open spandrel arch bridge that crosses Culebra Creek in San Luis, Colorado. It was built in 1911 as a road bridge, but now serves pedestrian traffic. It is listed on the National Register of Historic Places.

History

In 1909, the Colorado Legislature appropriated $2,000 for a highway bridge over Culebra Creek near San Luis.[1][5] The bridge was designed by the State Engineer, and the work was advertised in the Rocky Mountain News.[5] Bids were received on August 20, 1910, from Missouri Valley Bridge and Iron Company, Midland Bridge Company, Cuno Engineering and Construction Company, and M.F. Levy Construction Company. M.F. Levy bid lowest at $4700 and was awarded the contract. The difference was funded by an appropriation from the Board of County Commissioners of Costilla County.[1][5]

Because of high water in the creek, abutment excavation was delayed until February 22, 1911.[1][2] Construction was finished in May 1911; Costilla county paid $2,860.35.[2] The bridge originally carried State Highway 15, but by the 1980s it carried a county road.[1]

The bridge was listed on the National Register of Historic Places on February 4, 1985.[6]

In 2007, the State Historical Fund granted $150,300 to the county to restore the bridge for pedestrian and bicycle use.[7]

Design and significance

The bridge has a single, 57-foot-long (17 m) span made of reinforced concrete. It has an open spandrel arch design, a style uncommonly used in the Rocky Mountains. The San Luis Bridge is significant as one of the few State Bridges extant in Colorado, and one of the oldest and least modified open arch bridges in the state. The bridge deck is a 5 inches (0.13 m) concrete slab, supported on the arch by six concrete columns. The guardrails are made of steel pipe.[1]

See also

References

  1. ^ a b c d e f g h i Clayton Fraser and Carl Hallberg (January 17, 1984). "HABS/HAER Inventory: San Luis Bridge / State Bridge / Bridge over Culebra Creek / CDH: CSSMME-0.1-S159". National Park Service. and accompanying photo
  2. ^ a b c Colorado Office of the State Engineer (1913). Biennial Report of the State Engineer of the State of Colorado for the Years 1911–1912. Smith-Brooks Printing Co., State Printers. p. 108.
  3. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  4. ^ "Listings by County: Costilla County". History Colorado. Retrieved December 24, 2013.
  5. ^ a b c Colorado Office of the State Engineer (1911). Biennial Report of the State Engineer of the State of Colorado for the Years 1909–1910. Smith-Brooks Printing Co., State Printers. pp. 144–145.
  6. ^ "Weekly Register List 1985" (PDF). National Register of Historic Places. National Park Service. Retrieved December 22, 2013.
  7. ^ "2007 Grant Projects". State of Colorado. Archived from the original on December 24, 2013. Retrieved December 24, 2013.
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