K.E. Hilgard

NP - Green River Bridge (3rd) (King County, Washington)
Engineer, 1897
Lost Warren pony truss bridge over Green River on Northern Pacific Railroad
Replaced by a new bridge

NP - Wilkeson Creek Bridge (Pierce County, Washington)
Built 1896
Abandoned Pony plate girder bridge over Wilkeson Creek on Former Northern Pacific Railroad
Derelict/abandoned

Willapa Hills Trail - Willapa River Bridge #1 (Pacific County, Washington)
Engineer, 1897
Through truss bridge over Willapa River on Abandoned Northern Pacific Railroad in Lebam
Open to pedestrians