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Mercer County

North Dakota
Creek Bridge   [Map]
Wooden bridge over an unnamed creek on a county highway, 8 mi. north and 6 mi. west of Golden Valley
Open to traffic
Built 1919; rehabilitated 1972
Four Bears Bridge (Original)   [Map]
Lost Through truss bridge over Missouri River on ND 8
No longer exists
Built 1934; Garrison Dam built 1943 and flooded Fort Berthold Indian Reservation to create Lake Sakakawea; Main span moved and installed on the new Four Bear Bridge location 1955
Knife River Bridge   [Map]
Through truss bridge over Knife River on a county highway, 4 mi. west and 1 mi. north of Stanton
Open to traffic
Built 1917; rehabilitated 1998