Massachusetts Website Statistics

All Bridges

  • Total listed Massachusetts bridges: 423
  • Bridges with photos: 99 (23.4%)
  • Bridges with Street View: 98 (23.2%)
  • Bridges with GPS coordinates: 414 (97.9%)

  • Total photos: 704

Extant Bridges

  • Extant bridges: 397 (93.9% of all)
  • Bridges with photos: 84 (21.2% of extant)
  • Bridges with Street View: 92 (23.2% of extant)
  • Bridges with GPS coordinates: 388 (97.7% of extant)

Lost Bridges

  • Lost bridges: 18 (4.3% of all)
  • Bridges with photos: 10 (55.6% of lost)
  • Bridges with GPS coordinates: 18 (100.0% of lost)

Oldest Listed Bridges

  1. Choate Bridge (Essex County, built 1764, open to traffic)
  2. Adams Street Bridge (Suffolk County, built 1765, open to traffic)
  3. Assonet River Bridge (Bristol County, built 1822, open to traffic)
  4. Water Paskamansett River Bridge (Bristol County, built 1826, open to traffic)
  5. Water Ipswich River Bridge (Essex County, built 1833, closed to all traffic)
  6. Western Canal Bridge (Middlesex County, built 1833, open to traffic)
  7. Canton Viaduct (Norfolk County, built 1835, open to traffic)
  8. CSX Middlefield River Bridge (Hampden County, built 1840, open to traffic)
  9. Keystone Bridge C (Hampshire County, built 1840, abandoned)
  10. Keystone Bridge A (Berkshire County, built 1840, open to pedestrians)

By Design

  • Arch: 181 (42.8%)
    • Deck arch: 171 (40.4%)
      • Closed-spandrel arch: 7 (1.7%)
      • Steel arch: 8 (1.9%)
      • Stone arch: 86 (20.3%)
      • Timber arch: 1 (0.2%)
    • Through arch: 10 (2.4%)
      • Iron through arch: 1 (0.2%)
      • Steel through arch: 9 (2.1%)

  • Beam: 52 (12.3%)
    • Stringer: 52 (12.3%)
      • Steel stringer: 2 (0.5%)
      • Timber stringer: 50 (11.8%)

  • Rigid frame: 10 (2.4%)
    • Concrete rigid frame: 6 (1.4%)
    • Steel rigid frame: 4 (0.9%)

  • Girder: 12 (2.8%)
    • Deck girder: 7 (1.7%)
      • Deck plate girder: 6 (1.4%)
    • Pony/through girder: 5 (1.2%)
      • Pony/through plate girder: 5 (1.2%)

  • Other: 20 (4.7%)

  • Suspension: 4 (0.9%)
    • Eyebar suspension: 1 (0.2%)
    • Cable-stayed: 1 (0.2%)
    • Wire suspension: 2 (0.5%)

  • Truss: 141 (33.3%)
    • Deck truss: 19 (4.5%)
      • Pratt deck truss: 3 (0.7%)
      • Warren deck truss: 4 (0.9%)
    • Pony truss: 64 (15.1%)
      • Bailey pony truss: 1 (0.2%)
      • Double-intersection Warren pony truss: 3 (0.7%)
      • Lenticular pony truss: 3 (0.7%)
      • Parker pony truss: 4 (0.9%)
      • Polygonal Warren pony truss: 2 (0.5%)
      • Post pony truss: 1 (0.2%)
      • Pratt pony truss: 4 (0.9%)
      • Queenpost pony truss: 2 (0.5%)
      • Warren pony truss: 11 (2.6%)
        • Warren pony truss with alternating verticals: 2 (0.5%)
    • Through truss: 54 (12.8%)
      • Baltimore through truss: 2 (0.5%)
      • Double-intersection Warren through truss: 6 (1.4%)
      • Lattice through truss: 3 (0.7%)
        • Quadrangular lattice through truss: 3 (0.7%)
      • Lenticular through truss: 3 (0.7%)
      • Parker through truss: 1 (0.2%)
      • Pennsylvania through truss: 4 (0.9%)
      • Polygonal Warren through truss: 3 (0.7%)
        • Polygonal Warren through truss with all verticals: 1 (0.2%)
      • Post through truss: 1 (0.2%)
      • Pratt through truss: 6 (1.4%)
      • Warren through truss: 7 (1.7%)
        • Warren through truss with sub-panels: 1 (0.2%)
      • Whipple through truss: 1 (0.2%)

  • Tunnel: 3 (0.7%)