Ocean-to-Ocean Bridge Highway Bridge

Ocean-to-Ocean Bridge Highway Bridge (HMVHX)

Location: Yuma, AZ 85364 Yuma County
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Country: United States of America
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N 32° 43.667', W 114° 36.923'

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Constructed - 1915 & Rededicated - 2002

In 1913 after strong campaigning from the citizens of Yuma, Representative Carl Hayden secured funding for this bridge. When completed, it was the only highway bridge across the Colorado River for 1,200 miles. It was partially funded by the Office of Indian Affairs, with the State of Arizona and Imperial County, California each contributing $25,000.

Government engineers designed the bridge in Washington without knowledge of the site. Because the engineers were unfamiliar with the unpredictable Colorado River, problems arose early in the construction. While beautiful in design, the structure required falsework across the river for support during construction. Sudden, violent flooding was common on the river at the time and washed out the falsework twice. The contractor finally erected the truss on the south side of the river and floated it into position on barges.

In 1979, the bridge was listed on the National Register of Historic Places. It was an important link in the Transcontinental Highway and is an early and rare example of its structural type in Arizona.
Series This marker is part of the More Than Words series
Year Placed2002
Placed ByArizona Department of Transportation, Federal Highway Administration, City of Yuma, Yuma County, Quechan Indian Tribe, Arizona State Parks, Bureau of Indian Affairs, Cannon & Associates, Inc. Ashton Construction Company
Marker ConditionNo reports yet
Date Added Tuesday, September 16th, 2014 at 11:18pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)11S E 723469 N 3623624
Decimal Degrees32.72778333, -114.61538333
Degrees and Decimal MinutesN 32° 43.667', W 114° 36.923'
Degrees, Minutes and Seconds32° 43' 40.02" N, 114° 36' 55.38" W
Driving DirectionsGoogle Maps
Area Code(s)928
Closest Postal AddressAt or near 395-399 Penitentary Ave, Yuma AZ 85364, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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