Marsh Engineering Company

The Marsh Engineering Company was a company that designed many significant bridges in the United States, including a number that survive and are listed on the National Register of Historic Places.

It was located at 206 Masonic Temple[1] in Des Moines, Iowa.

The firm's principal engineer was James Barney Marsh (1856–1936), an engineer and bridge designer born in North Lake, Wisconsin.

Works include: The Wilson River Bridge (1931), near Tillamook, Washington, and others like it in Washington were designed by notable architect Conde McCullough, who had been employed at Marsh Engineering Company during the 1910s.

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