South Dakota Website Statistics

All Bridges

  • Total listed South Dakota bridges: 412
  • Bridges with photos: 93 (22.6%)
  • Bridges with Street View: 40 (9.7%)
  • Bridges with GPS coordinates: 409 (99.3%)

  • Total photos: 468

Extant Bridges

  • Extant bridges: 310 (75.2% of all)
  • Bridges with photos: 87 (28.1% of extant)
  • Bridges with Street View: 38 (12.3% of extant)
  • Bridges with GPS coordinates: 308 (99.4% of extant)

Lost Bridges

  • Lost bridges: 73 (17.7% of all)
  • Bridges with photos: 5 (6.8% of lost)
  • Bridges with GPS coordinates: 72 (98.6% of lost)

Oldest Listed Bridges

  1. Palisades Bridge (Minnehaha County, built 1881, open to traffic)
  2. Banning Mill and Crossing (Minnehaha County, built 1884, collapsed)
  3. Riverdale Park Pedestrian Bridge (Minnehaha County, built 1888, open to pedestrians)
  4. Ellis & Eastern Brandon Crossing Bridge (Minnehaha County, built 1889, open to traffic)
  5. Ellis & Eastern Big Sioux River Bridge (Minnehaha County, built 1893, open to traffic)
  6. Yankton Trail Bridge (Minnehaha County, built 1895, open to pedestrians)
  7. James River Bridge (Sanborn County, built 1897, lost)
  8. Iverson Crossing (Minnehaha County, built 1897, closed to all traffic)
  9. Willow Creek Bridge (Brown County, built 1900, open to traffic)
  10. Hidewood Creek Bridge (Hamlin County, built 1900, open to traffic)

By Design

  • Arch: 31 (7.5%)
    • Deck arch: 28 (6.8%)
      • Closed-spandrel arch: 7 (1.7%)
      • Open-spandrel arch: 1 (0.2%)
      • Steel arch: 2 (0.5%)
      • Stone arch: 15 (3.6%)
      • Timber arch: 2 (0.5%)
    • Through arch: 2 (0.5%)
      • Concrete through arch: 1 (0.2%)
      • Steel through arch: 1 (0.2%)

  • Beam: 33 (8.0%)
    • Stringer: 33 (8.0%)
      • Concrete stringer: 2 (0.5%)
      • Steel stringer: 23 (5.6%)
      • Timber stringer: 3 (0.7%)

  • Culvert: 2 (0.5%)
    • Concrete culvert: 1 (0.2%)

  • Girder: 8 (1.9%)
    • Deck girder: 6 (1.5%)
      • Concrete deck girder: 1 (0.2%)
      • Deck plate girder: 5 (1.2%)
    • Pony/through girder: 1 (0.2%)
      • Pony/through plate girder: 1 (0.2%)

  • Other: 4 (1.0%)

  • Slab: 3 (0.7%)

  • Truss: 323 (78.4%)
    • Bedstead pony truss: 4 (1.0%)
      • Bedstead Pratt pony truss: 1 (0.2%)
    • Deck truss: 7 (1.7%)
      • Pratt deck truss: 1 (0.2%)
      • Warren deck truss: 1 (0.2%)
    • Pony truss: 237 (57.5%)
      • Howe pony truss: 1 (0.2%)
      • Polygonal Warren pony truss: 5 (1.2%)
        • Polygonal Warren pony truss with alternating verticals: 2 (0.5%)
      • Pratt pony truss: 11 (2.7%)
      • Half-hip Pratt pony truss: 3 (0.7%)
      • Queenpost pony truss: 4 (1.0%)
      • Warren pony truss: 14 (3.4%)
        • Warren pony truss with alternating verticals: 2 (0.5%)
        • Warren pony truss with all verticals: 2 (0.5%)
    • Through truss: 73 (17.7%)
      • Lattice through truss: 8 (1.9%)
        • Quadrangular lattice through truss: 8 (1.9%)
      • Parker through truss: 8 (1.9%)
      • Pennsylvania through truss: 3 (0.7%)
      • Polygonal Warren through truss: 1 (0.2%)
      • Pratt through truss: 24 (5.8%)
      • Warren through truss: 12 (2.9%)
        • Warren through truss with all verticals: 3 (0.7%)

    • Tunnel: 4 (1.0%)

    • Unknown: 4 (1.0%)