Crest Tunnel Tunnel on the Union Pacific Railroad (formerly Missouri Pacific) northwest of Omaha Open to railroad traffic Built 1903-05
Cricket Tunnel Tunnel on the Union Pacific Railroad (formerly Missouri Pacific) just south of Omaha Open to railroad traffic Built 1903-05
Haggard's Ford Swinging Bridge Swinging bridge over Bear Creek next to Cottonwood Road Open to pedestrians only Built 1939-41 by the Works Progress Administration; rehabilitated 1977
Hog Creek US 65 Bridge Lost closed-spandrel arch bridge over Hog Creek on US 65 near Valley Springs Replaced by a new bridge in 1966
Rolands Fork Bridge Concrete tee beam bridge over Rolands Fork on County Rd 607 Open to traffic Built 1928
WPA Road Bridge Low-water bridge over Long Creek on WPA Road (CR 4) in Alpena Open to traffic Built 1942 by the Works Progress Administration
Zinc Swinging Bridge Swinging footbridge over Sugar Orchard Creek in the town of Zinc Open to pedestrians only Built ca. 1927