The Smith River is a 90-mile (140 km) tributary of the Umpqua River in the U.S. state of Oregon. It drains 352 square miles (910 km2) of the Central Oregon Coast Range between the watershed of the Umpqua to the south and the Siuslaw River to the north.
The Oregon City Bridge, also known as the Arch Bridge, is a steel through arch bridge spanning the Willamette River between Oregon City and West Linn, Oregon, United States. Completed in 1922, it is listed on the National Register of Historic Places. It was built and is owned by the Oregon Department of Transportation (ODOT) as part of Oregon Route 43 and is the third-southernmost Willamette bridge in the Portland metropolitan area, after the Boone Bridge in Wilsonville and the Oregon 219 bridge near Newberg.
The Alsea Bay Bridge is a concrete arch bridge that spans the Alsea Bay on U.S. Route 101 (US 101) near Waldport, Oregon.
The Conde B. McCullough Memorial Bridge, is a cantilever bridge that spans the Coos Bay on U.S. Route 101 near North Bend, Oregon. When completed in 1936 it was named the North Bend Bridge. In 1947 it was renamed in honor of Conde B. McCullough who died May 5, 1946. This and 10 other major bridges on the Oregon Coast Highway were designed under his supervision.
The Yaquina Bay Bridge is an arch bridge that spans Yaquina Bay south of Newport, Oregon. It is one of the most recognizable of the U.S. Route 101 bridges designed by Conde McCullough and one of eleven major bridges on the Oregon Coast Highway designed by him. It superseded the last ferry crossing on the highway.
The Siuslaw River Bridge is a bascule bridge that spans the Siuslaw River on U.S. Route 101 in Florence, Oregon. It was designed by Conde McCullough, built by the Mercer-Fraser Company of Eureka, California, and funded by the Federal Emergency Administration of Public Works. It opened in 1936.
The Big Creek Bridge is a bowstring arch bridge that spans Big Creek on U.S. Route 101 in Lane County, Oregon. It was designed by Conde McCullough and opened in 1931.
Conde Balcom McCullough was an American civil engineer who is primarily known for designing many of Oregon's coastal bridges on U.S. Route 101. The native of South Dakota worked for the Oregon Department of Transportation from 1919 to 1935 and 1937 until he died in 1946. McCullough also was a professor at Oregon State University.
U.S. Route 101 (US 101), is a major north–south U.S. Highway in Oregon that runs through the state along the western Oregon coastline near the Pacific Ocean. It runs from the California border, south of Brookings, to the Washington state line on the Columbia River, between Astoria, Oregon, and Megler, Washington.
The Crooked River High Bridge is a steel arch bridge that spans the Crooked River gorge in Jefferson County, Oregon. The bridge was designed by Conde McCullough and was completed in 1926. Shortly after its completion, Oregon State Highway Division created the Peter Skene Ogden Park just to the south of the bridge.
The Lewis and Clark River Bridge is a bascule bridge that spans the Lewis and Clark River on U.S. Route 101 Business in Clatsop County, Oregon. It was designed by Conde McCullough and opened in 1925. It was built to replace an earlier bridge at the same location, a swing-span bridge constructed around 1910.
Cape Creek Bridge is an arch bridge that spans Cape Creek in Lane County, Oregon, United States. The bridge carries U.S. Route 101. Opened in 1932, it was designed by noted bridge engineer Conde McCullough and built of reinforced concrete by John K. Holt. The total length of the bridge is 619 feet (189 m), with a main span of 220 feet (67 m). The bridge resembles a Roman aqueduct, with a single parabolic arch that spans half its length. It was listed as Cape Creek Bridge No. 01113 on the National Register of Historic Places in 2005, as part of the C. B. McCullough Major Oregon Coast Highway Bridges MPS.
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.
The Ellsworth Street Bridge is a highway bridge that crosses the Willamette River in Albany, Oregon, United States. Built in 1925, the two-lane structure carries U.S. Route 20 eastbound traffic, with the adjacent Lyon Street Bridge carrying westbound traffic. The 1,090-foot-long (330 m) steel truss bridge was designed by Conde McCullough and opened in 1926.
Wilson River Bridge, also known as Wilson River Bridge at Tillamook or Wilson River Bridge No. 01499, is a bridge near Tillamook, Oregon, United States. The 1931 bridge was designed by Conde McCullough in the Classical Revival and Art Deco styles. It covers a span of 180 feet (55 m) and brings coastal U.S. Route 101 (US 101) over the Wilson River.
Ten Mile Creek Bridge is a Conde McCullough-designed bridge near Yachats in Lane County in the U.S. state of Oregon. It was listed on the National Register of Historic Places in 2005.
The Old Youngs Bay Bridge is a bascule bridge across Youngs Bay in Astoria, Oregon, completed in 1921. Conde McCullough was responsible for designing this bridge, his first for Oregon.
The Van Buren Street Bridge is a swing span, steel motor vehicle bridge spanning the Willamette River at Corvallis in the U.S. state of Oregon. Opened in 1913, the black colored bridge was the first bridge across the river at Corvallis and is now the third oldest bridge across the river. Owned by the state and maintained by the Oregon Department of Transportation (ODOT), the 708-foot (216 m) long span is of a through truss design and carries one lane of traffic of Oregon Route 34 eastbound from Corvallis into neighboring Linn County. The bridge no longer is able to swing open.
Clear Lake is a natural body of water impounded by sand dunes along the Oregon Coast of the Pacific Ocean in the United States. The lake is the municipal water supply for the city of Reedsport, which lies about 4 miles (6 km) northeast of the lake. Clear Lake is closed to public access to protect the purity of the water.
Rocky Creek Bridge No. 01089, also known as Ben Jones Bridge, is a concrete highway bridge spanning Rocky Creek along the Pacific Ocean coast of the U.S. state of Oregon. The bridge crosses a gorge near the creek's mouth, about 2 miles (3 km) south of Depoe Bay in Lincoln County. Built in 1927, the bridge originally carried U.S. Route 101 over the creek. After a stretch of the highway was relocated to make it straighter, the abandoned piece of the old highway became Otter Crest Loop Road, a local road west of the new highway.
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