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Oregon Historic Highway Bridges, Salem, Marion, OR

Significance: Conde B. McCullough, Oregon State Highway Department Engineer and Administrator from 1919 to 1946, was a significant American innovator in concrete bridge design. Influenced by his early years at More

Winchester Bridge, Spanning North Umpqua River at Pacific Highway, Winchester, Douglas County, OR

Significance: The Winchester Bridge is the longest reinforced-concrete ribbed deck arch designed by Conde B. McCullough in the 1920s. It departs in aesthetic character from all his other deck arches in that it More

Winchester Bridge, Spanning North Umpqua River at Pacific Highway, Winchester, Douglas County, OR

Significance: The Winchester Bridge is the longest reinforced-concrete ribbed deck arch designed by Conde B. McCullough in the 1920s. It departs in aesthetic character from all his other deck arches in that it More

Winchester Bridge, Spanning North Umpqua River at Pacific Highway, Winchester, Douglas County, OR

Significance: The Winchester Bridge is the longest reinforced-concrete ribbed deck arch designed by Conde B. McCullough in the 1920s. It departs in aesthetic character from all his other deck arches in that it More

Winchester Bridge, Spanning North Umpqua River at Pacific Highway, Winchester, Douglas County, OR

Significance: The Winchester Bridge is the longest reinforced-concrete ribbed deck arch designed by Conde B. McCullough in the 1920s. It departs in aesthetic character from all his other deck arches in that it More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br More