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Conde B. McCullough
of Redfield, South Dakota
View Exhibit mapConde Balcom McCullough (1887-1946) was the notable State Bridge Engineer for the Oregon State Highway Department from 1919 to 1935. During McCullough’s tenure as bridge engineer, Oregon developed one of the most impressive collections of beautiful and efficient bridge in the United States.
McCullough began his career designing bridges under another notable engineer, James B. Marsh and his Marsh Engineering Company. After a year working for Marsh, McCullough joined the Iowa State Highway Commission where he developed bridge design standards and assisted in designing bridge throughout Iowa. During this time McCullough served as an expert witness during patent infringement lawsuits between Daniel Luten and Marsh.
McCullough was appointed the Oregon State Bridge Engineer in 1919 after a short stint at Oregon Agricultural College as a professor. As the State Bridge Engineer for the Oregon State Highway Department, McCullough brought forth a three part philosophy to bridge design. His three major points were to make the structure fit the site in which it was being built, have the bridge be cost effective, and finally he emphasized building structures that were pleasing to the eye.
McCullough is most widely known for his work with reinforced concrete arch bridges. McCullough assisted in pioneering different design and construction methods in concrete arch construction, along with writing text books on the subject of concrete arch design. Some of his most notable reinforced concrete arch bridges include the Rogue River Bridge in Gold Beach and the Winchester Bridge in Roseburg.
McCullough’s most recognizable accomplishment was managing the design and construction of the bridges on the Oregon Coast Highway. Over the course of two years McCullough’s staff completed the design and construction of five major coastal crossing all measuring between 1600 to 5400 feet in length. The bridges were designed with many of the architectural details that have made McCullough’s bridge some of the most beautiful in the world.
After the completion of the coastal bridges McCullough left Oregon to design bridges on the Pan-American Highway in Central America for the Bureau of Public Roads. McCullough gave up his position as state bridge engineer but upon his return he served Oregon as the Assistant Highway Engineer until is untimely death in 1946.
The legacy McCullough left still lives in the design and maintenance of Oregon Bridges. Oregon is one of the leaders in historic bridge preservation along with creating innovative and eye pleasing structures to replace aging structures of McCullough's era. In 1947 the longest of McCullough’s coastal bridges, the Coos Bay Bridge in North Bend was dedicated the Conde McCullough Memorial Bridge in honor of McCullough.
ENGINEERING HISTORY:
- Bridge Designer, Marsh Engineering Company (1910-1911)
- Bridge Engineer, Iowa State Highway Commission (1911-1916)
- Assistant Professor, Oregon Agricultural College (1916-1919)
- State Bridge Engineer, Oregon Highway Department (1919-1936)
- Bridge Engineer, U.S. Bureau of Public Roads, Pan-Am Highway (1936-1937)
- Assistant State Highway Engineer, Oregon Highway Department (1932-1946)
CONDE B. MCCULLOUGH INFORMATION:
Wikipedia: http://en.wikipedia.org/wiki/Conde_McCullough
Oregon Coastal Bridge Brochure: http://www.oregon.gov/ODOT/HWY/GEOENVIRONMENTAL/docs/Histori...
SOURCES:
Elegant Arches Soaring Spans, Robert W. Hadlow, OSU Press, 2001
Historic Highway Bridges of Oregon, Dwight A. Smith, Oregon Historic Society Press, 1989
180th Street Bridge (Carroll County, Iowa)
Consulting Engineer for ISHC, 1913Lost pony truss bridge over Storm Creek on 180th StreetReplaced by new bridge
1st Street Bridge (Sherman County, Oregon)
Built 1935Slab bridge over an unnamed ditch on US 30Open to traffic
Adkisson Bridge (Wasco County, Oregon)
Bridge Engineer, 1925Concrete arch bridge over Fifteen Mile Creek on Boyd Loop RoadOpen to traffic
Agency Creek Bridge (Yamhill County, Oregon)
Bridge Engineer, 1929Concrete deck girder bridge over Agency Creek on OR 22Open to traffic
Alder Creek Bridge (Baker County, Oregon)
Bridge Engineer, 1929Concrete tee beam bridge over Alder Creek on Old U.S. 30Open to traffic
Alsea Bay Bridge (Lincoln County, Oregon)
Bridge Engineer, 1936Lost concrete tied arch bridge over Alsea Bay on U.S. 101 in WaldportReplaced by new Alsea Bay Bridge in 1991
Applegate Bridge (Jackson County, Oregon)
Bridge Engineer, 1934Parker through truss bridge over Applegate River on OR 238Open to traffic
Ball Park Bridge (Umatilla County, Oregon)
Bridge Engineer, 1935Concrete deck girder bridge over Umatilla River on US 30Open to traffic
Barton Bridge (Clackamas County, Oregon)
Tied Arch Bridge Engineer, 1970Steel tied arch bridge over Clackamas River on Bakers Ferry RoadOpen to traffic
Ben Jones Bridge (Lincoln County, Oregon)
Bridge Engineer, 1927Concrete arch bridge over Rocky Creek on Otter Crest LoopOpen to traffic
Bidwell Road Bridge (Baker County, Oregon)
Bridge Engineer, 1929Pratt pony truss bridge over North Powder River on Bidwell Road in North PowderOpen to traffic
Big Creek Bridge (Lane County, Oregon)
Bridge Engineer, 1931Reinforced concrete tied arch bridge over Big Creek on US 101Open to traffic
Blue River Bridge (Lane County, Oregon)
Bridge Engineer, 1928Concrete deck girder bridge over Blue River on Blue River DriveOpen to traffic
Bridge Creek Bridge (Wheeler County, Oregon)
Bridge Engineer, 1929Concrete stringer bridge over Bridge Creek on East Main Street (Old US 26/28)Open to traffic
Burnt River Bridge (Baker County, Oregon)
Bridge Engineer, 1922Parker through truss bridge over Burnt River on US 30Replaced by a new bridge
Burnt River Bridge (Baker County, Oregon)
Bridge Engineer, 1934Steel stringer bridge over Burnt River on Old US 30Open to traffic
Cape Creek Bridge (Lane County, Oregon)
Bridge Engineer, 1931Concrete arch bridge over Cape Creek on US 101Open to traffic
Carver Bridge (Clackamas County, Oregon)
1930 - Bridge Engineer, 1930Parker through truss bridge over Clackamas River on South Springwater RoadReplaced by a new bridge in 2013
Cascadia Park Bridge (Linn County, Oregon)
1928 - Bridge Engineer, 1928Timber Howe deck truss bridge over South Santiam River on Cascadia DriveOpen to traffic
Caveman Bridge (Josephine County, Oregon)
Bridge Engineer, 1931Rainbow arch bridge over Rogue River on Southbound US 199 in Grants PassOpen to traffic
Conde B. McCullough Memorial Bridge (Coos County, Oregon)
Lead Bridge Engineer, 1936Steel cantilevered through truss bridge over Coos Bay on US 101 in North BendOpen to traffic
Coquille River Bridge (Coos County, Oregon)
Bridge Engineer, 1922Lost swing span bridge over Coquille River on OR-42S (Fromerly US 101) in CoquilleRemoved and salvaged in 1993
Crooked River Bridge (Jefferson County, Oregon)
Bridge Engineer, 1926Steel arch bridge over Crooked River on Former U.S. 97 alignment in TerrebonneOpen to pedestrians
Cummins Creek Bridge (Lane County, Oregon)
Bridge Engineer, 1931Concrete arch bridge over Cummings Creek on US 101Open to traffic
Dairy Overcrossing (Klamath County, Oregon)
Bridge Engineer, 1936Lost concrete deck girder bridge over OC&E Trail (Formerly Oregon California & Eastern Railroad) on Oregon Route 140Replaced by a pre-cast concrete girder bridge in 2011
Deer Creek Bridge (Douglas County, Oregon)
Bridge Engineer, 1927Concrete stringer bridge over Deer Creek on Jackson StreetOpen to traffic
Depoe Bay Bridge (Lincoln County, Oregon)
Bridge Engineer, 1927Concrete arch bridge over Depoe Bay on US 101 in Depoe BayOpen to traffic
Deschutes River Bridge (Wasco County, Oregon)
Bridge Engineer, 1929Warren deck truss bridge over Deschutes River on US 197 in MaupinOpen to traffic
Deschutes River Bridge (Sherman County, Oregon)
Bridge Engineer, 1919Lost Deck plate girder bridge over Deschutes River on US 30Replaced by a new bridge due to construction of The Dalles Dam.
Dry Canyon Creek Bridge (Wasco County, Oregon)
Bridge Engineer, 1921Concrete arch bridge over Dry Canyon Creek on Historical Columbia River HighwayOpen to traffic
Eagle Creek Bridge (Multnomah County, Oregon)
Bridge Engineer, 1936Lost steel tied arch bridge over Eagle Creek on US 30Replaced by a steel plate girder bridge in 1969
Elk Creek Bridge No. 1 (Douglas County, Oregon)
Bridge Engineer, 1931Lost Warren deck truss bridge over Elk Creek on OR 38Replaced by new bridge in 2008
Elk Creek Bridge No. 2 (Douglas County, Oregon)
Bridge Engineer, 1932Lost Stringer bridge over Elk Creek on Or 38 (Hwy 045)Replaced by new bridge in 2008
Elk Creek Bridge No. 3 (Douglas County, Oregon)
Bridge Engineer, 1932Lost Warren deck truss bridge over Elk Creek on OR 38Replaced by new bridge in 2008
Elk Creek Bridge No. 4 (Douglas County, Oregon)
Bridge Engineer, 1931Lost Warren deck truss bridge over Elk Creek on OR 38Replaced by new bridge in 2008
Ellsworth Street Bridge (Benton County, Oregon)
Bridge Engineer, 1925Parker through truss bridge over Willamette River on Eastbound US 20 in AlbanyOpen to traffic
Estacada Bridge (Clackamas County, Oregon)
Bridge Engineer, 1936Concrete arch bridge over Clackamas River on OR 211 (HWY 161) in EstacadaOpen to traffic
Euchre Creek Bridge (Curry County, Oregon)
Bridge Engineer, 1927Concrete deck girder bridge over Euchre Creek on Ophir Road (Old U.S. 101)Open to traffic
Foots Creek Bridge (Jackson County, Oregon)
Bridge Engineer, 1928Concrete tee beam bridge over Foots Creek on OR 99 (Old U.S. 99)Open to traffic
Gales Creek Bridge (Washington County, Oregon)
Bridge Enginner, 1936Steel stringer bridge over Gales Creek on Timber RoadReplaced by a pre-stressed girder bridge in 2017
Gnat Creek Bridge (Clatsop County, Oregon)
Bridge Engineer, 1929Concrete stringer bridge over Gnat Creek on US 30Open to traffic
Gold Hill Bridge (Jackson County, Oregon)
Bridge Engineer, 1927Concrete arch bridge over Rogue River on OR 99 at Gold HillOpen to traffic
Hood River Bridge (1919) (Hood River County, Oregon)
Built 1919Lost Open-spandrel arch bridge over Hood River on Columbia River HighwayReplaced by new bridge
Hunter Creek Bridge (Curry County, Oregon)
Bridge Engineer, 1928Concrete tee-beam bridge over Hunter Creek on Hunter Creek Road (Old U.S. 101)Open to traffic
Indian Creek Bridge (Lane County, Oregon)
Bridge Engineer, 1929Concrete stringer bridge over Indian Creek on OR 36Open to traffic
Isaac Lee Patterson Bridge (Curry County, Oregon)
Bridge Engineer, 1930Concrete arch bridge over Rogue River on US 101 in Gold BeachOpen to traffic
Isthmus Slough Bridge (Coos County, Oregon)
Bridge Engineer, 1931Bascule bridge over Isthmus Slough on Coos River HighwayOpen to traffic
Jacks Bridge (Marion County, Oregon)
Bridge Engineer, 1931Concrete stringer bridge over Butte Creek on OR 213
Jacob Conser Bridge (Marion County, Oregon)
Bridge Engineer, 1933Rainbow arch bridge over Santiam River on HWY 164Open to traffic
Keigley Branch Bridge (Story County, Iowa)
Guidance for the ISHC, 1913Concrete arch bridge over Keigley Branch on 550th AvenueOpen to traffic
Keno Bridge (Klamath County, Oregon)
Bridge Engineer, 1930Lost Concrete through arch bridge over Klamath River on Green Springs Highway (OR-66) in KenoReplaced by new bridge
Lewis & Clark River Bridge (Clatsop County, Oregon)
Bridge Engineer, 1924Bascule lift bridge over Lewis & Clark River on Business US 101Open to traffic
Little Nestucca River Bridge (Tillamook County, Oregon)
Bridge Engineer, 1934Polygonal Warren pony truss bridge over Little Nestucca River on OR 130Open to traffic
Luckiamute River Bridge (Polk County, Oregon)
Bridge Engineer, 1928Polygonal Warren truss bridge over Luckiamute River on Helmick Road (Old US-99W)Open to traffic
Marys River Bridge (Benton County, Oregon)
Bridge Engineer, 1933Parker through truss bridge over Marys River on Northbound OR 99W in CorvallisOpen to traffic
Mill Creek Bridge (Wasco County, Oregon)
Bridge Engineer, 1920Stringer bridge over Mill Creek on W 6th Street in City of the DallesOpen to traffic
Miller's Gulch Bridge (Jackson County, Oregon)
Bridge Engineer, 1920Concrete tee beam bridge over Miller's Gulch on OR 99 (Old U.S. 99)Open to traffic
Mohler Bridge (Tillamook County, Oregon)
Bridge Engineer, 1926Polygonal Warren pony truss bridge over South Fork Nehalem River on OR 53Open to traffic
Molalla River Bridge (Clackamas County, Oregon)
Bridge Engineer, 1936Warren deck truss bridge over Molalla River on Northbound OR-99 EOpen to traffic
Mosier Creek Bridge (Wasco County, Oregon)
Bridge Engineer, 1920Concrete arch bridge over Mosier Creek on HWY 100 in MosierOpen to traffic
Mosier Twin Tunnels (Wasco County, Oregon)
Design Engineer, 1920Tunnel under Mosier Tunnel on Historical Columbia River Highway TrailOpen to pedestrians
Myers Creek Bridge (Curry County, Oregon)
Bridge Engineer, 1924Concrete tee beam bridge over Myers Creek on Meyers Creek Road (Old US 101)Open to traffic
Myrtle Creek Bridge (Douglas County, Oregon)
Bridge Engineer, 1922Concrete arch bridge over South Umpqua River on CR 386 in Myrtle CreekOpen to traffic
Neawanna Creek Bridge (Clatsop County, Oregon)
Bridge Engineer, 1930Concrete deck girder bridge over Neawanna Creek on U.S. 101 in SeasideOpen to traffic
Nehalem River Bridge (Tillamook County, Oregon)
Bridge Engineer, 1922Lost swing bridge over Nehalem RiverNo longer exists
North Bend Overcrossing (Coos County, Oregon)
Bridge Engineer, 1935Concrete tee beam bridge over Coos Bay Rail Link on US 101Open to traffic
North Fork Alsea River Bridge (Benton County, Oregon)
Bridge Engineer, 1927Polygonal Warren pony truss bridge over North Fork Alsea River on OR 34Open to traffic
North Fork Butter Creek Bridge (Umatilla County, Oregon)
Bridge Engineer, 1926Lost Stringer bridge over North Fork Butter Creek on OR 74Replaced by pre-cast concrete girder bridge in 2003
North Fork Necanicum River Bridge (Clatsop County, Oregon)
Assistant Highway Engineer, 1942Concrete deck girder bridge over North Fork Necanicum River on US-26Open to traffic
North Yamhill River Bridge (Yamhill County, Oregon)
Bridge Engineer, 1921Warren deck truss bridge over North Yamhill River on Southbound OR 99WOpen to traffic
Oakland Bridge (Douglas County, Oregon)
Bridge Engineer, 1925Deck truss bridge over Calapooya Creek on Shady Highway in OaklandOpen to traffic
Oregon City Bridge (Clackamas County, Oregon)
Bridge Engineer, 1922Steel through arch bridge over Willamette River on OR-43 in Oregon CityOpen to traffic
Oswego Creek Bridge (Clackamas County, Oregon)
Bridge Engineer, 1920Concrete arch bridge over Oswego Creek on OR 43 in Lake OswegoOpen to traffic
Park Place Bridge (Clackamas County, Oregon)
Bridge Engineer, 1921Parker through truss bridge over Clackamas River on Abandoned 82nd Ave. Bike PathOpen to pedestrians
Perry Bridge (Union County, Oregon)
Lost Truss bridge over Grande Ronde river on Former US 30Replaced by a new bridge
Powder River Bridge (Baker County, Oregon)
Bridge Engineer, 1922Concrete tee beam bridge over Powder River on Abandoned OR-7Abandoned but accessible to vehicles
Powers Bridge (Coos County, Oregon)
Bridge Engineer, 1934Warren deck truss bridge over South Fork Coquille River on Powers Highway in PowersOpen to traffic
Rhea Creek Bridge (Morrow County, Oregon)
Bridge Engineer, 1935Concrete tee beam bridge over Rhea Creek on OR 206Open to traffic
Rhinehart Bridge (Union County, Oregon)
Bridge Engineer, 1922Warren deck truss bridge over Grande Ronde River and Idaho Northern and Pacific Railroad on Abandoned OR-82 AlignmentClosed to all traffic
Ritter Bridge (Grant County, Oregon)
Bridge Engineer, 1934Lost Warren deck truss bridge over Middle Fork John Day River on US 395Replaced by a pre-cast concrete girder bridge in 2004
Rock Creek Bridge (Columbia County, Oregon)
Bridge Engineer, 1930Concrete stringer bridge over Rock Creek on OR 47 in VernoniaOpen to traffic
Rock Point Bridge (Jackson County, Oregon)
Bridge Engineer, 1919Concrete arch bridge over Rogue River on OR 99Open to traffic
Salmon River Bridge (Clackamas County, Oregon)
Bridge Engineer, 1929Warren deck truss bridge over Salmon River on E. Brightwood LoopOpen to traffic
Scottsburg Bridge (Douglas County, Oregon)
Bridge Engineer, 1929Continuous Warren through truss bridge over Umpqua River on OR 38Open to traffic
Seufert Viaduct (Wasco County, Oregon)
Bridge Engineer, 1920Stringer bridge over Fifteen Mile Creek on Viewpoint Road (Historical Columbia River Highway) in The DallesOpen to traffic
Sherars Bridge (1922) (Wasco County, Oregon)
Bridge Engineer, 1922Lost Warren deck truss bridge over Deschutes River on OR 216Replaced by new bridge
Siuslaw River Bridge (Lane County, Oregon)
Bridge Engineer, 1936Bascule bridge over Siuslaw River on US 101 in FlorenceOpen to traffic
Skiberene Bridge (Clatsop County, Oregon)
Bridge Engineer, 1930Concrete deck girder bridge over Necanicum River on U.S. 101/U.S. 26Open to traffic
Soapstone Creek Bridge (Clatsop County, Oregon)
Bridge Engineer, 1928Concrete arch bridge over Soapstone Creek on OR 53Open to traffic
South Slough Bridge (Coos County, Oregon)
Bridge Engineer, 1934Lost through truss swing span bridge over South Slough on Cape Arago HighwayReplaced by a new bridge
South Yamhill River Bridge (Yamhill County, Oregon)
Bridge Engineer, 1929Concrete deck girder bridge over South Yamhill River on OR 22Open to traffic
Spanish Hollow Bridge (Sherman County, Oregon)
Bridge Engineer, 1935Concrete stringer bridge over Spanish Hollow Creek on Biggs-Rufus Highway (Old U.S. 30) in BiggsOpen to traffic
Springfield Bridge (Lane County, Oregon)
Bridge Engineer, 1929Continuous Warren through truss bridge over Willamette River on Westbound OR 126 in SpringfieldOpen to traffic
Storm Creek Bridge (Carroll County, Iowa)
Consulting Engineer for ISHC, 1913Lost pony truss bridge over Storm Creek on 190thReplaced by a new bridge
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