Utah Construction Co.

of Ogden, Utah
View Exhibit map

NWP - Cain Rock Bridge (Humboldt County, California)
1910 Contractor, 1910
Pratt and Warren through truss bridge over Eel River on Northwestern Pacific Railroad (NWP)
Closed to all traffic

NWP - Island Mountain Bridge (Old) (Trinity County, California)
Contractor, 1913
Lost Warren deck truss bridge over Eel River on Northwestern Pacific Railroad
Destroyed by flooding

NWP - Island Mountain Tunnel (Trinity County, California)
Tunnel on Northwestern Pacific Railroad
Closed

SD&A - Campo Creek Viaduct (San Diego County, California)
Built 1916
Deck plate girder bridge over Campo Creek on San Diego & Arizona Railway
Open to traffic

UP - Natron Cutoff Tunnel 22 (Lane County, Oregon)
Built 1910
Tunnel on Union Pacific Railroad
Open to traffic

UP - Natron Cutoff Tunnel 23 (Lane County, Oregon)
Built 1923
Abandoned tunnel
Derelict/abandoned

UP - Tunnel 23 (Placer County, California)
Built 1909
Tunnel on Union Pacific Railroad
Open to traffic

UP - Tunnel 26 (Placer County, California)
Built 1909
Tunnel under Under Railroad on Union Pacific Railroad
Open to traffic

UP - Tunnel 27 (Placer County, California)
Built 1910
Tunnel on Union Pacific Railraod
Open to traffic

UP - Tunnel 28 (Placer County, California)
Built 1908
Tunnel on Union Pacific Railroad
Open to traffic