Leonhardt, Andrä & Partner

of Stuttgart, Baden-Württemberg, Germany
Ed Hendler Bridge (Benton County, Washington)
Design, 1978
Cable-stayed bridge over Columbia River on WA 397 in Kennewick
Open to traffic

Frank "Gunner" Gatski Memorial Bridge (Cabell County, West Virginia)
Consulting Engineers, 1985
Cable-stayed bridge over the Ohio River on WV 106 in Huntington
Open to traffic

Fred Hartman Bridge (Harris County, Texas)
Design, 1995
Pair of cable-stayed bridges over Houston Ship Channel on TX 146 in Houston
Open to traffic