E. L. Patton Yukon River Bridge

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E. L. Patton Yukon River Bridge
Patton Yukon River Bridge.jpg
Span from the northwest
Coordinates 65°52′29″N149°42′38.5″W / 65.87472°N 149.710694°W / 65.87472; -149.710694
CarriesAlaska 11 shield.svg AK-11 [1]
Alaska Pipeline [2]
Crosses Yukon River
Locale Yukon-Koyukuk Census Area, Alaska
Official nameE. L. Patton Bridge
Other name(s)Yukon River Bridge
Patton Bridge
Owner DOT&PF
Maintained by DOT&PF
Characteristics
Total length2,295 feet (700 m) [3]
Width30 feet (9.1 m) [3]
History
Constructed byManson-Osberg-Ghemm [4]
Construction startMay 1974 [5]
OpenedOctober 10, 1975 [5]
Location
E. L. Patton Yukon River Bridge

The Yukon River Bridge, officially known as the E. L. Patton Bridge, is a girder bridge spanning the Yukon River in Yukon-Koyukuk Census Area, Alaska, United States. The bridge carries both the Dalton Highway and the Alaska Pipeline in connecting Fairbanks with Deadhorse near the Arctic Ocean and the Prudhoe Bay Oil Field. It is the only bridge crossing of the Yukon in Alaska. [6] [7]

Contents

History

As part of construction of the Trans-Alaska Pipeline System, a permanent crossing of the Yukon River became necessary in order to complete the project. In December 1973, the state announced that it would begin accepting bids for the construction of the span. [2] To be constructed as joint venture between the Alyeska Pipeline Service Company and the State of Alaska, the bridge was to be supported by tiers anchored to bedrock beneath the river. At its highest point, the span would rise approximately 200 feet (61 m) above the river with its length changing by nearly 2 feet (0.61 m) between the summer and winter months. [2] A consortium called Manson-Osberg-Ghemm was selected to construct the bridge with a bid of $31 million to be complete by December 1975. [4]

With construction commencing in May 1974, [5] in the following August the project suffered its only major construction delay with the failure of a cofferdam. [4] The cofferdam failed at its base where workers were working to set one of the concrete and steel bridge piers. The dams themselves had dimensions of 54 feet (16 m) wide by 38 feet (12 m) long with a depth of 37 feet (11 m). [4]

Although still not yet complete at the time, the bridge celebrated its ceremonial ribbon-cutting on October 10, 1975. [5] This allowed Alyeska to start using the span, thus eliminating the need to construct an ice bridge that winter to transport materials across the river. [5] The bridge would remain under the control of Alyeska until the completion of the Alaska Pipeline, then control of both the bridge and the haul road was turned over to the state. The state issued its final use permit on October 30, 1975. [8]

After both debate and litigation as to who would be allowed to use the haul road and bridge crossing, in October 1978 both were turned over to the state. [9] In March 1982, the state officially named the bridge in honor of Edward Patton, former president of the Alyeska Pipeline Service Company during construction of the pipeline. [10]

Description

The bridge has a length of 2,295 feet (700 m) and a width of 30 feet (9.1 m). [3] The driving surface of the span is of timber construction supported by a steel deck attached to a pair of steel box girders. [1] The wooden deck has been replaced in 1981, 1992, 1999 and 2007. [1]

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References

  1. 1 2 3 Hulsey, J. Leroy; Wilhelm Muench. "Tire chain damage on bridge deck wearing surfaces" (PDF). Fairbanks, AK: University of Alaska. Retrieved July 7, 2010.
  2. 1 2 3 Staff Reporters (December 4, 1973). "State sets bids for pipeline bridge". Anchorage Daily News . Anchorage, AK. p. 11. Retrieved July 7, 2010.
  3. 1 2 3 Alaska Department of Transportation & Public Facilities, Bridge Design Section (2009). "2009 Bridge Inventory Report" (PDF). p. 71. Archived from the original (PDF) on March 30, 2013. Retrieved June 13, 2010.
  4. 1 2 3 4 Fineberg, Richard A. (August 24, 1974). "Coffer dam failure delays Yukon River bridge project". Anchorage Daily News . Anchorage, AK. p. 14. Retrieved June 13, 2010.
  5. 1 2 3 4 5 Jones, Sally W. (October 11, 1975). "Yukon Bridge opens but no traffic yet". Anchorage Daily News . Anchorage, AK. p. 2. Retrieved June 13, 2010.
  6. Staff Reporters (June 9, 1975). "Over the Yukon". Anchorage Daily News . Anchorage, AK. p. 6. Retrieved July 7, 2010.
  7. Chen, Wai-Fah; Lian Duan (2000). Bridge Engineering Handbook. CRC Press. pp. 14–9. ISBN   0-8493-7434-0 . Retrieved July 12, 2010.
  8. Staff Reporters (January 20, 1976). "State files 2 suites against Alyeska". Anchorage Daily News . Anchorage, AK. p. 1. Retrieved June 13, 2010.
  9. Staff Reporters (October 14, 1978). "State gets haul road". Anchorage Daily News . Anchorage, AK. p. 1. Retrieved June 13, 2010.
  10. Staff Reporters (March 11, 1982). "Naming of Yukon bridge brings strong objections". Anchorage Daily News . Anchorage, AK. p. 4. Retrieved June 13, 2010.