Caldwell, Idaho

BVT - Boise River Bridge (Canyon County, Idaho)
Built 1907; Removed ca. 1928
Lost Whipple through truss bridge over Boise River on Boise Valley Railroad
Removed

Idaho-Pacific Highway Caldwell Bridge (Canyon County, Idaho)
Built 1894; Replaced 1922
Lost Pennsylvania through truss bridge over Boise River on Road
Replaced by a new bridge

West Plymouth Street Bridge (Canyon County, Idaho)
Built 1922
Polygonal Warren through truss bridge over Boise River on STC 7787
Open to traffic