Canyon County

Boise River Bridge   [Map · Street View]
Through truss bridge over Boise River on STC 7787 in Caldwell
Open to traffic
Built 1922
Bridge Island Bridge (Private)   [Map · Street View]
Pratt through truss bridge over Snake River Channel on Private Drive
Closed to the public; Privately owned.
Built ca. 1890
Low Line Canal Bridge   [Map]
Wooden bridge over Low Line Canal on Allendale Road
Open to traffic
Built 1939; rehabilitated 1964
Nyssa Bridge   [Map]
Lost Parker through truss bridge over Snake River on Old Oregon-Idaho Highway
Replaced by new bridge
Built Ca. 1900, Replaced 1957
Rose Garden Road Bridge   [Map]
Wooden bridge over Notus Canal on Rose Garden Road in Caldwell
Open to traffic
Built 1935
UP - Bridge Island Bridge No. 1   [Map]
Warren through truss bridge over Snake River on Union Pacific Railroad
Open to traffic
UP - Bridge Island Bridge No. 2   [Map]
Warren through truss bridge over Snake River Channel on Union Pacific Railroad
Open to traffic
Walter's Ferry Bridge   [Map · Street View]
Polygonal Warren through truss bridge over Snake River on Abandoned ID-45
Open to pedestrians
Built 1921, Bypassed 1972