Alaska Website Statistics

All Bridges

  • Total listed Alaska bridges: 77
  • Bridges with photos: 21 (27.3%)
  • Bridges with Street View: 38 (49.4%)
  • Bridges with GPS coordinates: 74 (96.1%)

  • Total photos: 71

Extant Bridges

  • Extant bridges: 72 (93.5% of all)
  • Bridges with photos: 19 (26.4% of extant)
  • Bridges with Street View: 35 (48.6% of extant)
  • Bridges with GPS coordinates: 69 (95.8% of extant)

Lost Bridges

  • Lost bridges: 5 (6.5% of all)
  • Bridges with photos: 1 (20.0% of lost)
  • Bridges with GPS coordinates: 5 (100.0% of lost)

Oldest Listed Bridges

  1. Million Dollar Bridge (Valdez-Cordova Census Area, built 1910, open to traffic)
  2. Kuskulana River Bridge (Valdez-Cordova Census Area, built 1910, open to traffic)
  3. Gilahina Trestle (Valdez-Cordova Census Area, built 1911, abandoned)
  4. Kuzitrin River Bridge (Nome Census Area, built 1917, open to traffic)
  5. Water Street No. 1 Trestle (Ketchikan Gateway Borough, built 1920, open to traffic)
  6. Mears Memorial Bridge (Yukon-Koyukuk Census Area, built 1923, open to traffic)
  7. Basin Road Trestle (Juneau Borough, built 1936, open to traffic)
  8. Ganes Creek Bridge (Yukon-Koyukuk Census Area, built 1937, open to traffic)
  9. Knudson Cove Road Bridge (Ketchikan Gateway Borough, built 1938, open to traffic)
  10. Peters Creek Bridge (Matanuska-Susitna Borough, built 1938, open to traffic)

By Design

  • Arch: 6 (7.8%)
    • Deck arch: 6 (7.8%)
      • Steel arch: 4 (5.2%)

  • Beam: 25 (32.5%)
    • Stringer: 25 (32.5%)
      • Timber stringer: 25 (32.5%)

  • Suspension: 2 (2.6%)
    • Cable-stayed: 2 (2.6%)

  • Truss: 40 (51.9%)
    • Deck truss: 4 (5.2%)
    • Pony truss: 14 (18.2%)
      • Bailey pony truss: 1 (1.3%)
      • Polygonal Warren pony truss: 3 (3.9%)
        • Polygonal Warren pony truss with alternating verticals: 1 (1.3%)
      • Pratt pony truss: 2 (2.6%)
      • Warren pony truss: 3 (3.9%)
    • Through truss: 22 (28.6%)
      • Camelback through truss: 1 (1.3%)
      • K-Parker through truss: 4 (5.2%)
      • Parker through truss: 1 (1.3%)
      • Pennsylvania through truss: 8 (10.4%)
      • Polygonal Warren through truss: 3 (3.9%)
        • Polygonal Warren through truss with all verticals: 2 (2.6%)
      • Warren through truss: 2 (2.6%)

  • Tunnel: 4 (5.2%)