Harrington, Howard and Ash
Blair Bridge (Washington County, Nebraska)Design engineers, 1929
Lost three-span through truss bridge over the Missouri River on US 30 east of Blair
Replaced by a modern bridge
Boonville Bridge (Cooper County, Missouri)Consulting Engineers, 1924
Lost through truss bridge over the Missouri River on US 40, MO 5, and MO 87 at Boonville
Replaced by Boonslick Bridge
Brookport Bridge (Massac County, Illinois)Consulting engineers, 1929
Ten-span through truss bridge on US 45 over the Ohio River at Brookport
Open to two-lane traffic
Cape Girardeau Bridge (Cape Girardeau County, Missouri)Consulting engineers, 1928
Lost continuous through truss bridge over the Mississippi River on MO 34/IL 146 at Cape Girardeau
Replaced by Bill Emerson Memorial Bridge and closed to all traffic on December 13, 2003; main spans demolished on September 9, 2004
Central Avenue Bridge (Wyandotte County, Kansas)Consulting engineers, 1918
Two-level deck truss bridge over Kansas River on Central Avenue in Kansas City
Open to four-lane traffic on upper level and two-lane traffic on lower level
Champ Clark Bridge (Pike County, Missouri)Consulting engineers, 1927
Five-span through truss bridge over the Mississippi River on US 54 at Louisiana
Open to two-lane traffic
Old Vicksburg Bridge (Warren County, Mississippi)Consulting engineers, 1930
Cantilevered through truss bridge over the Mississippi River at Vicksburg just north of the I-20 bridge in Vicksburg
Closed to all vehicular and pedestrian traffic, but still used by the Kansas City Southern railroad