Isaac Lee Patterson Bridge

	Rogue River Bridge No. 01172
	U.S. National Register of Historic Places
Location	OR Coast 9, US 101, MP 327.70, Gold Beach, Oregon
Area	2.6 acres (1.1 ha)
Built	1932
Architect	Conde B. McCullough; Mercer-Fraser Co.
MPS	McCullough, C. B., Major Oregon Coast Highway Bridges MPS
NRHP reference No.	05000814
Added to NRHP	August 5, 2005

Isaac Lee Patterson Bridge
Isaac Lee Patterson Bridge
Coordinates	42°25′38″N 124°24′48″W / 42.4272°N 124.4133°W
Carries	2 lanes of US 101
Crosses	Rogue River
Locale	Gold Beach, Oregon to Wedderburn, Oregon
Maintained by	State of Oregon
ID number	01172 009 32764
Characteristics
Design	Concrete arch-deck
Total length	591 metres (1,939 ft)
Width	8.2 metres (27 ft)
Longest span	70 metres (230 ft), 7 spans
History
Opened	May 28, 1932
Statistics
Daily traffic	6200
Location

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.

History

The Oregon State Highway Department awarded the $568,181.00 ($10.4 million in 2023 dollars^[2]) construction contract to the Mercer, Fraser Company of Eureka, California, on January 16, 1930. Work began on the bridge at Gold Beach in 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.^[3] 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.^[4] 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.^[5]

Description

The bridge is 1,938 feet (591 m) long and consists of seven 230-foot (70 m) deck arch spans and nine deck girder sections.^[6] The roadbed is 27 feet (8.2 m) wide, and the structure is 34 feet (10 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.^[4]

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.^[4]

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.^[4]

Construction of the bridge required the excavation of 10,174 cubic yards (7,779 m³) of earth and consumed 27,016 linear feet (8,234 m) of piling, 15,591 cubic yards (11,920 m³) of concrete, 1,764,981 pounds (800,582 kg) of reinforcing steel, and 114,109 pounds (51,759 kg) of structural steel.^[5]

Designation

The Isaac Lee Patterson Bridge was placed on the National Register of Historic Places on August 5, 2005.^[1]

References

^ ^a ^b "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
^ 1634–1699: McCusker, J. J. (1997). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States: Addenda et Corrigenda (PDF). American Antiquarian Society. 1700–1799: McCusker, J. J. (1992). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States (PDF). American Antiquarian Society. 1800–present: Federal Reserve Bank of Minneapolis. "Consumer Price Index (estimate) 1800–". Retrieved February 29, 2024.
^ Hadlow, Robert W. (2001). Elegant Arches, Soaring Spans: C. B. McCullough, Oregon's Master Bridge Builder. Oregon State University Press. pp. 69–79. ISBN 0-87071-534-8.
^ ^a ^b ^c ^d Hadlow, Robert W. (June 30, 2004). "Rogue River Bridge No. 01172". Retrieved August 31, 2012.
^ ^a ^b Bottenberg, Ray (2006). Bridges of The Oregon Coast. Charleston, South Carolina: Arcadia Publishing. pp. 11–26. ISBN 978-0-7385-4860-9.
^ "Oregon Coastal Highway Bridges". Oregon Department of Transportation. Archived from the original on September 6, 2008. Retrieved June 27, 2008.

External links

Rogue River Bridge at Structurae
Historic American Engineering Record (HAER) No. OR-38, "Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast Highway, Gold Beach, Curry County, OR", 23 photos, 3 color transparencies, 4 measured drawings, 11 data pages, 4 photo caption pages

[nris-1] "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.

[inflation-US-2] 1634–1699: McCusker, J. J. (1997). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States: Addenda et Corrigenda (PDF). American Antiquarian Society. 1700–1799: McCusker, J. J. (1992). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States (PDF). American Antiquarian Society. 1800–present: Federal Reserve Bank of Minneapolis. "Consumer Price Index (estimate) 1800–". Retrieved February 29, 2024.

[3] Hadlow, Robert W. (2001). Elegant Arches, Soaring Spans: C. B. McCullough, Oregon's Master Bridge Builder. Oregon State University Press. pp. 69–79. ISBN 0-87071-534-8.

[nrhpnom1-4] Hadlow, Robert W. (June 30, 2004). "Rogue River Bridge No. 01172". Retrieved August 31, 2012.

[:0-5] Bottenberg, Ray (2006). Bridges of The Oregon Coast. Charleston, South Carolina: Arcadia Publishing. pp. 11–26. ISBN 978-0-7385-4860-9.

[6] "Oregon Coastal Highway Bridges". Oregon Department of Transportation. Archived from the original on September 6, 2008. Retrieved June 27, 2008.

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