Blackwell Park Road Bridge
Through truss bridge over Willamina Creek on Blackwell Park Road
Open to traffic
Built 1965

Bridge Street Bridge
Truss bridge over Yamhill River on Bridge Street in Sheridan
Open to traffic
Built 1939

Farmer River Bridge
Wooden bridge over Farmer River on HWY 154
Open to traffic
Built 1932

North Yamhill River Bridge
Deck truss bridge over North Yamhill River on Southbound OR 99W
Open to traffic
Built 1921

Tindle Creek Road Bridge
Truss bridge over Willamina Creek on Tindle Creek Road
Replaced by a pre-cast concrete girder bridge in 2002
Built 1917

Whitestone Bridge
Lost Steel stringer bridge over South Yamhill River on OR 99W
Replaced by pre-cast girder bridge in 2002
Built 1938, Replaced 2002