Beaver Creek Bridge[Map] Lost Warren pony truss bridge over Beaver Creek on Kukkala Road Replaced by new bridge Built in 1915, Moved to Kukkala Road in 1965, Replaced in 1998 by a pre-cast slab bridge.
Lyons Creek Bridge[Map] Timber stringer bridge over Lyons Creek on OR 202 Replaced by a pre-cast concrete girder bridge in 2006 Built 1934, Replaced 2006
Magruder Bridge[Map · Street View] Steel tee beam bridge over Wood Creek on Watach Drive Exceptionally rare and significant swing bridge destroyed by flooding in 2011. Modern tee beam bridge remains at historic site today Built 2011 to replace previous swing bridge destroyed by flood
McDonald Bridge[Map] Truss bridge over Milton Creek on Milton Way in St. Helens Replaced by a pre-cast concrete slab bridge in 2004 Built 1914, Replaced 2004