North Dakota Website Statistics

All Bridges

  • Total listed North Dakota bridges: 512
  • Bridges with photos: 74 (14.5%)
  • Bridges with Street View: 59 (11.5%)
  • Bridges with GPS coordinates: 399 (77.9%)

  • Total photos: 573

Extant Bridges

  • Extant bridges: 465 (90.8% of all)
  • Bridges with photos: 46 (9.9% of extant)
  • Bridges with Street View: 53 (11.4% of extant)
  • Bridges with GPS coordinates: 353 (75.9% of extant)

Lost Bridges

  • Lost bridges: 45 (8.8% of all)
  • Bridges with photos: 15 (33.3% of lost)
  • Bridges with GPS coordinates: 44 (97.8% of lost)

Oldest Listed Bridges

  1. First Bismarck Railroad Bridge (Burleigh County, built 1882, unknown status)
  2. NP - Missouri River Bridge (Original) (Morton County, built 1882, replaced by new bridge)
  3. Viking Bridge (Traill County, built 1885, open to traffic)
  4. Calendonia Bridge (Traill County, built 1895, closed to all traffic)
  5. Fort Lincoln Trolley - Heart River Bridge (Morton County, built 1898, open to traffic)
  6. BNSF - Gassman Coulee Trestle (Ward County, built 1899, open to traffic)
  7. Tepee Creek Bridge (Hettinger County, built 1900, open to traffic)
  8. Blanchard Bridge (Traill County, built 1900, removed)
  9. Valley City Foot Bridge (Barnes County, built 1901, open to pedestrians)
  10. Westgaard Bridge (McHenry County, built 1902, open to traffic)

By Design

  • Arch: 7 (1.4%)
    • Deck arch: 3 (0.6%)
      • Stone arch: 1 (0.2%)
    • Pony arch: 2 (0.4%)
      • Concrete pony arch: 2 (0.4%)
    • Through arch: 2 (0.4%)

  • Beam: 208 (40.6%)
    • Stringer: 191 (37.3%)
      • Steel stringer: 21 (4.1%)
      • Timber stringer: 168 (32.8%)
    • Concrete tee beam: 6 (1.2%)

  • Girder: 12 (2.3%)
    • Deck girder: 7 (1.4%)
      • Concrete deck girder: 1 (0.2%)
      • Deck plate girder: 6 (1.2%)
    • Pony/through girder: 5 (1.0%)
      • Pony/through plate girder: 5 (1.0%)

  • Slab: 4 (0.8%)

  • Suspension: 4 (0.8%)
    • Wire suspension: 4 (0.8%)

  • Truss: 274 (53.5%)
    • Modern truss: 2 (0.4%)
      • Modern through truss: 2 (0.4%)
        • Modern Pratt pony truss: 1 (0.2%)
        • Modern Warren pony truss: 1 (0.2%)
    • Pony truss: 197 (38.5%)
      • Double-intersection Warren pony truss: 1 (0.2%)
      • Polygonal Warren pony truss: 1 (0.2%)
        • Polygonal Warren pony truss with all verticals: 1 (0.2%)
      • Pratt pony truss: 8 (1.6%)
      • Warren pony truss: 6 (1.2%)
        • Warren pony truss with alternating verticals: 2 (0.4%)
        • Warren pony truss with all verticals: 2 (0.4%)
    • Through truss: 71 (13.9%)
      • Parker through truss: 7 (1.4%)
      • Pennsylvania through truss: 1 (0.2%)
      • Polygonal Warren through truss: 1 (0.2%)
      • Pratt through truss: 17 (3.3%)
      • Warren through truss: 9 (1.8%)
        • Warren through truss with alternating verticals: 1 (0.2%)
      • Whipple through truss: 1 (0.2%)

  • Tunnel: 1 (0.2%)

  • Unknown: 2 (0.4%)