W.H. Witt Co.

of Seattle, Washington
McMillin Bridge (Pierce County, Washington)
Consulting Design Firm, 1934
Concrete truss bridge over Puyallup River on WA 162 in McMillin
Open to pedestrians only

Purdy Bridge (Pierce County, Washington)
Consulting Design Firm, 1936
Concrete deck girder bridge over Burley Lagoon on Washington 302
Open to traffic

Winnifred Street Bridge (Pierce County, Washington)
Design Firm, 1942
Beam bridge over BNSF Railroad on N Winnifred Street
Open to traffic