| 词条 | Isaac Lee Patterson Bridge |
| 释义 |
|name= Isaac Lee Patterson Bridge |image= IsaacLeePattersonBridgeSE.jpg |caption= |official_name= |carries= 2 lanes of {{jct|state=OR|US|101}} |crosses= Rogue River |locale= Gold Beach, Oregon to Wedderburn, Oregon |maint= State of Oregon |id= 01172 009 32764 |design= Concrete arch-deck |mainspan= 70 m (230 ft), 7 spans |length= 591 m (1938ft) |width= 8.2 m (59.1 ft) |clearance= |below= |traffic= 6200 |open= May 28, 1932 |closed= |toll= |map_cue= |map_image= |map_text= |map_width= |coordinates= {{coord|42.4272|-124.4133|type:landmark_region:US-OR_source:googlemapssatellite|display=inline,title}} }}{{Infobox NRHP | name = Rogue River Bridge No. 01172 | nrhp_type = | image = | caption = | location= OR Coast 9, US 101, MP 327.70, Gold Beach, Oregon | locmapin = Oregon#USA | built = 1932 | architect = Conde B. McCullough; Mercer-Fraser Co. | architecture = | added = August 5, 2005 | area = {{convert|2.6|acre}} | governing_body = State | mpsub = McCullough, C.B., Major Oregon Coast Highway Bridges MPS | refnum = 05000814[1] }} The Isaac Lee Patterson Bridge, also known as the Rogue River Bridge and the Isaac Lee Patterson Memorial Bridge, is a concrete arch bridge that spans the Rogue River in Curry County, Oregon. The bridge was constructed by the Mercer Fraser Company of Eureka, California. The bridge carries U.S. Route 101 across the river, near the point where the river empties into the Pacific Ocean, and connects the towns of Gold Beach and Wedderburn. A bridge with strong Art Deco influences, the Isaac Lee Patterson Bridge is a prominent example of the designs of the Oregon bridge designer and highway engineer Conde McCullough. It was designated a National Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1982. It is part of a series of notable bridges designed by McCullough for the Oregon Coast Highway in the 1930s. It was placed on the National Register of Historic Places in 2005. HistoryThe Oregon State Highway Department awarded the $568,181.00 (${{formatprice|{{Inflation|US|568,181|1930}}}} in {{Inflation-year|US}} dollars{{inflation-fn|US}}) construction contract to the Mercer, Fraser Company of Eureka, California on January 16, 1930. Work began on the bridge at Gold Beach April 1930. In order to avoid problems with concrete shrinkage that had plagued concrete arch bridges in the past, McCullough used the Freyssinet method of pre-tensioning the arches during construction using hydraulic jacks, using sixteen 250-ton jacks from Freyssinet's firm, enough to work with two arch panels at a time. McCullough's design was the first usage of this technique in the United States.[2] The remote location of the building site presented a significant challenge, with reinforcing steel shipped southward from Port Orford, and built a concrete plant on the north bank of the river. Pilings for the piers were obtained locally. The bridge was planned to open in January 1932, but the ferry Rogue was damaged in December 1931 flooding and the bridge opened early, on December 24, 1931.[3] It was dedicated on May 28, 1932 and named after Isaac Lee Patterson, the governor of Oregon from 1927 to 1929. The Mercer-Fraser Company presented the new bridge to the State on January 21, 1932, and the bridge was officially accepted as complete on January 27, 1932, at a final cost of $592,725.56.[4] DescriptionThe bridge is {{convert|1938|ft|m}} long and consists of seven {{convert|230|ft|m|adj=on}} deck arch spans and nine deck girder sections.[5] The roadbed is {{convert|27|ft|m}} wide, and the structure is {{convert|34|ft|m}} wide overall. Piers 1 and 8, at the ends, rest on solid rock. The intermediate piers rest on driven timber pilings. Piers 2, 4, 5 and 7 rest on 180 vertical piles, while piers 3 and 6, required to resist lateral thrust, have 260 piers driven at an angle.[3] The detailing of the bridge incorporates Art Deco motifs, with prominent pylons at the ends with stepped Moderne elements and stylized Palladian windows crowned by sunbursts. The railings use a simplified, rectilinear Tuscan order with arches on short ribbed columns.[3] The bridge has required extensive preventive maintenance to mitigate deterioration due to the location's salt air. A $20 million rehabilitation ran from 2001 to 2004. A previous project in 1976 mitigated scouring problems at pier 2.[3] Construction of the bridge required the excavation of 10,174 cubic yards of earth and consumed 27,016 lineal feet of piling, 15,591 cubic yards of concrete, 1,764,981 pounds of reinforcing steel, and 114,109 pounds of structural steel.[4] DesignationThe Isaac Lee Patterson Bridge was placed on the National Register of Historic Places on August 5, 2005.[1] Further reading
See also
References1. ^1 {{NRISref|version=2010a}} 2. ^{{cite book | last = Hadlow | first = Robert W. | title = Elegant Arches, Soaring Spans: C.B. McCullough, Oregon's Master Bridge Builder | publisher = Oregon State University Press | year = 2001 | pages = 69–79| isbn = 0-87071-534-8 }} 3. ^1 2 3 {{cite web|last=Hadlow|first=Robert W.|title=Rogue River Bridge No. 01172|url={{NRHP url|id=05000814}}|accessdate=31 August 2012|date=June 30, 2004}} 4. ^1 {{Cite book|title=Bridges of The Oregon Coast|last=Bottenberg|first=Ray|publisher=Arcadia Publishing|year=2006|isbn=978-0-7385-4860-9|location=Charleston, South Carolina|pages=11-26}} 5. ^{{cite web|title=Oregon Coastal Highway Bridges |publisher=Oregon Department of Transportation |url=http://egov.oregon.gov/ODOT/HWY/GEOENVIRONMENTAL/historic_bridges_coastal.shtml#Rogue_River_Bridge |accessdate=2008-06-27 |deadurl=yes |archiveurl=https://web.archive.org/web/20080906104204/http://egov.oregon.gov/ODOT/HWY/GEOENVIRONMENTAL/historic_bridges_coastal.shtml |archivedate=2008-09-06 |df= }} External links
14 : Road bridges on the National Register of Historic Places in Oregon|Bridges completed in 1932|Open-spandrel deck arch bridges in the United States|U.S. Route 101|Historic Civil Engineering Landmarks|Concrete bridges in Oregon|Art Deco architecture in Oregon|National Register of Historic Places in Curry County, Oregon|Transportation buildings and structures in Curry County, Oregon|Road bridges in Oregon|Historic American Engineering Record in Oregon|Bridges by Conde McCullough|Bridges on the United States Numbered Highways|Gold Beach, Oregon |
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