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From Alaska to Florida, and many places in between, our team of structural engineers is experienced in the design of numerous types of bridges, culverts and specialty structures, whether concrete, steel or wood.

CTH O Grandma’s Creek Box Culverts Thumbnail

Donohue designed two reinforced concrete box culverts on CTH O for consecutive crossings of the meandering Grandma’s Creek.

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South County Line Road Bridge Replacement Thumbnail

Donohue designed an 80-foot, two-span concrete flat slab bridge and 250 feet of roadway approach improvements.

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CTH Y - Camp Ground Creek Bridge Thumbnail

This project, located in the Village of Oakfield, included removal and replacement of an existing single-span county road bridge that was constructed in 1931.

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