Project Brief geocomp.com I-90 Bridge over Cuyahoga River Background & Project Challenges Opened to traffic in 1955, the twin two-lane Ohio Turnpike bridges over the Cuyahoga River valley span 2,650-ft and reach as high as 175-ft above the valley floor. Each bridge is comprised of four 100-ft-long girder spans and nine 250-ft-long truss spans supported by 12 reinforced concrete piers. Since completion of construction, the west abutment

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