F.W. Whitehead

of Kahoka, Missouri
South Wyaconda River Route A Bridge (Clark County, Missouri)
Built 1930
Pony truss bridge over South Wyaconda River on Route A
Open to traffic

St. Francisville Bridge (Clark County, Missouri)
Built 1937
Cantilevered through truss bridge over Des Moines River on former Route B/IA 394
Bypassed by four-lane bridge on new alignment in 2004, was still open to traffic on a frontage road until closure in 2016.