Wisconsin Website Statistics

All Bridges

  • Total listed Wisconsin bridges: 1,258
  • Bridges with photos: 936 (74.4%)
  • Bridges with Street View: 382 (30.4%)
  • Bridges with GPS coordinates: 1,243 (98.8%)

  • Total photos: 9,759

Extant Bridges

  • Extant bridges: 906 (72.0% of all)
  • Bridges with photos: 687 (75.8% of extant)
  • Bridges with Street View: 321 (35.4% of extant)
  • Bridges with GPS coordinates: 893 (98.6% of extant)

Lost Bridges

  • Lost bridges: 332 (26.4% of all)
  • Bridges with photos: 194 (58.4% of lost)
  • Bridges with GPS coordinates: 331 (99.7% of lost)

Oldest Listed Bridges

  1. TMER&L - Milwaukee River Bridge (Ozaukee County, built 1850, lost)
  2. Rochester Plank Road Bridge (Racine County, built 1851, destroyed by flood)
  3. Theresa Bridge (Older) (Dodge County, built 1851, replaced by new bridge)
  4. Kilbourne Bridge (Oldest) (Sauk County, built 1856, replaced by new bridge)
  5. UP - Tiffany Stone Arch Bridge (Rock County, built 1869, open to traffic)
  6. Fountain Island Bridge (Fond du Lac County, built 1870, open to pedestrians)
  7. WC - Wisconsin River Bridge (Portage County, built 1871, replaced by new bridge)
  8. WC - White River Bridge (Ashland County, built 1873, lost)
  9. CN - Hatfield Dam Bridge (Middle) (Jackson County, built 1873, replaced by new bridge)
  10. Theresa Bridge (Old) (Dodge County, built 1874, replaced by new bridge)

Oldest Listed Extant Bridges

  1. UP - Tiffany Stone Arch Bridge (Rock County, built 1869, open to traffic)
  2. Fountain Island Bridge (Fond du Lac County, built 1870, open to pedestrians)
  3. Elroy-Sparta Trail - Arch #4 (Monroe County, built 1874, open to pedestrians)
  4. Cedarburg Covered Bridge 49-46-01 (Ozaukee County, built 1876, open to pedestrians)
  5. Bieneman Bridge (Racine County, built 1877, open to authorized vehicles only)
  6. Tivoli Island Bridge (Jefferson County, built 1877, open to pedestrians)
  7. WSOR - Goette Road Overpass (Sauk County, built 1878, open to traffic)
  8. WSOR - Gallus Slough Stone Arch Bridge (Sauk County, built 1879, open to traffic)
  9. WSOR - Wingra Creek Stone Arch (Dane County, built 1880, open to traffic)
  10. Northwestern Railroad Bridge (Eau Claire County, built 1880, open to pedestrians)

By Design

  • Arch: 201 (16.0%)
    • Deck arch: 189 (15.0%)
      • Closed-spandrel arch: 72 (5.7%)
      • Corrugated multi-plate arch: 1 (0.08%)
      • Open-spandrel arch: 10 (0.8%)
      • Steel arch: 12 (1.0%)
      • Stone arch: 75 (6.0%)
    • Pony arch: 2 (0.2%)
      • Concrete pony arch: 2 (0.2%)
    • Through arch: 9 (0.7%)
      • Concrete through arch: 1 (0.08%)
      • Steel through arch: 7 (0.6%)
      • Timber through arch: 1 (0.08%)

  • Beam: 137 (10.9%)
    • Stringer: 133 (10.6%)
      • Concrete stringer: 11 (0.9%)
      • Steel stringer: 56 (4.5%)
      • Timber stringer: 26 (2.1%)
    • Concrete tee beam: 3 (0.2%)

  • Culvert: 4 (0.3%)
    • Concrete culvert: 3 (0.2%)

  • Ferry: 5 (0.4%)

  • Rigid frame: 4 (0.3%)
    • Concrete rigid frame: 2 (0.2%)
    • Steel rigid frame: 2 (0.2%)

  • Girder: 298 (23.7%)
    • Deck girder: 142 (11.3%)
      • Concrete deck girder: 11 (0.9%)
      • Deck plate girder: 126 (10.0%)
    • Pony/through girder: 135 (10.7%)
      • Concrete pony/through girder: 4 (0.3%)
      • Pony/through plate girder: 127 (10.1%)

  • Other: 69 (5.5%)

  • Slab: 23 (1.8%)

  • Suspension: 15 (1.2%)
    • Cable-stayed: 4 (0.3%)
    • Wire suspension: 11 (0.9%)

  • Truss: 449 (35.7%)
    • Bedstead pony truss: 3 (0.2%)
      • Bedstead Pratt pony truss: 3 (0.2%)
    • Deck truss: 54 (4.3%)
      • Double-intersection Warren deck truss: 11 (0.9%)
      • Howe deck truss: 2 (0.2%)
      • Lattice deck truss: 4 (0.3%)
      • Other deck truss: 1 (0.08%)
      • Pratt deck truss: 7 (0.6%)
      • Warren deck truss: 14 (1.1%)
        • Warren deck truss with all verticals: 1 (0.08%)
      • Whipple deck truss: 3 (0.2%)
    • Half-through truss: 1 (0.08%)
    • Modern truss: 1 (0.08%)
      • Modern through truss: 1 (0.08%)
        • Modern bowstring through truss: 1 (0.08%)
    • Pony truss: 140 (11.1%)
      • Bailey pony truss: 1 (0.08%)
      • Bowstring pony truss: 9 (0.7%)
      • Double-intersection Warren pony truss: 7 (0.6%)
      • Howe pony truss: 1 (0.08%)
      • Kingpost pony truss: 3 (0.2%)
      • Parker pony truss: 2 (0.2%)
      • Pratt pony truss: 23 (1.8%)
      • Half-hip Pratt pony truss: 5 (0.4%)
      • Queenpost pony truss: 1 (0.08%)
      • Warren pony truss: 50 (4.0%)
        • Warren pony truss with alternating verticals: 12 (1.0%)
        • Warren pony truss with all verticals: 8 (0.6%)
    • Through truss: 236 (18.8%)
      • Baltimore through truss: 2 (0.2%)
      • Bowstring through truss: 1 (0.08%)
      • Camelback through truss: 5 (0.4%)
      • Double-intersection Warren through truss: 1 (0.08%)
      • Howe through truss: 1 (0.08%)
      • Lattice through truss: 33 (2.6%)
        • Quadrangular lattice through truss: 24 (1.9%)
        • Town lattice truss: 8 (0.6%)
      • Multiple Kingpost through truss: 3 (0.2%)
      • Parker through truss: 21 (1.7%)
      • Pennsylvania through truss: 8 (0.6%)
      • Polygonal Warren through truss: 12 (1.0%)
        • Polygonal Warren through truss with all verticals: 5 (0.4%)
      • Pratt through truss: 84 (6.7%)
      • Warren through truss: 18 (1.4%)
        • Warren through truss with sub-panels: 2 (0.2%)
        • Warren through truss with all verticals: 2 (0.2%)
      • Whipple through truss: 6 (0.5%)

  • Tunnel: 11 (0.9%)

  • Unknown: 42 (3.3%)