Massachusetts Website Statistics

All Bridges

  • Total listed Massachusetts bridges: 923
  • Bridges with photos: 513 (55.6%)
  • Bridges with Street View: 506 (54.8%)
  • Bridges with GPS coordinates: 918 (99.5%)

  • Total photos: 2,202

Extant Bridges

  • Extant bridges: 747 (80.9% of all)
  • Bridges with photos: 360 (48.2% of extant)
  • Bridges with Street View: 472 (63.2% of extant)
  • Bridges with GPS coordinates: 743 (99.5% of extant)

Lost Bridges

  • Lost bridges: 150 (16.3% of all)
  • Bridges with photos: 104 (69.3% of lost)
  • Bridges with GPS coordinates: 149 (99.3% of lost)

Oldest Listed Bridges

  1. Cook's Bridge (Middlesex County, built 1714, open to traffic)
  2. Choate Bridge (Essex County, built 1764, open to traffic)
  3. Adams Street Bridge (Suffolk County, built 1765, open to traffic)
  4. Uncle Tim's Bridge (Barnstable County, built 1783, open to pedestrians)
  5. Cambridge Street Bridge (Old) (Middlesex County, built 1810, replaced by new bridge)
  6. Connecticut River Covered Bridge (Hampden County, built 1816, replaced by new bridge)
  7. Assonet River Bridge (Bristol County, built 1822, open to traffic)
  8. Paskamansett River Bridge (Bristol County, built 1826, open to traffic)
  9. Quinsigamond River Bridge (Worcester County, built 1831, abandoned)
  10. MBTA - Concord River Bridge (Middlesex County, built 1832, open to traffic)

By Design

  • Arch: 340 (36.8%)
    • Deck arch: 327 (35.4%)
      • Brick arch: 3 (0.3%)
      • Closed-spandrel arch: 47 (5.1%)
      • Open-spandrel arch: 3 (0.3%)
      • Ribbed closed-spandrel arch: 1 (0.1%)
      • Steel arch: 9 (1.0%)
      • Stone arch: 191 (20.7%)
    • Through arch: 12 (1.3%)
      • Concrete through arch: 2 (0.2%)
      • Iron through arch: 1 (0.1%)
      • Steel through arch: 9 (1.0%)

  • Beam: 90 (9.8%)
    • Stringer: 85 (9.2%)
      • Concrete stringer: 3 (0.3%)
      • Steel stringer: 16 (1.7%)
      • Timber stringer: 64 (6.9%)
    • Concrete tee beam: 4 (0.4%)

  • Culvert: 1 (0.1%)
    • Stone culvert: 1 (0.1%)

  • Rigid frame: 20 (2.2%)
    • Concrete rigid frame: 17 (1.8%)
    • Steel rigid frame: 3 (0.3%)

  • Girder: 141 (15.3%)
    • Deck girder: 67 (7.3%)
      • Deck plate girder: 63 (6.8%)
    • Pony/through girder: 73 (7.9%)
      • Concrete pony/through girder: 1 (0.1%)
      • Pony/through plate girder: 70 (7.6%)

  • Other: 15 (1.6%)

  • Slab: 6 (0.7%)

  • Suspension: 6 (0.7%)
    • Eyebar suspension: 1 (0.1%)
    • Cable-stayed: 1 (0.1%)
    • Wire suspension: 4 (0.4%)

  • Truss: 291 (31.5%)
    • Deck truss: 47 (5.1%)
      • Baltimore deck truss: 1 (0.1%)
      • Double-intersection Warren deck truss: 6 (0.7%)
      • Lattice deck truss: 2 (0.2%)
      • Other deck truss: 1 (0.1%)
      • Pratt deck truss: 10 (1.1%)
      • Warren deck truss: 21 (2.3%)
        • Warren deck truss with alternating verticals: 6 (0.7%)
        • Warren deck truss with all verticals: 4 (0.4%)
    • Modern truss: 3 (0.3%)
      • Modern through truss: 2 (0.2%)
      • Modern through truss: 1 (0.1%)
        • Modern Warren through truss: 1 (0.1%)
    • Pony truss: 110 (11.9%)
      • Bailey pony truss: 4 (0.4%)
      • Bowstring pony truss: 1 (0.1%)
      • Double-intersection Warren pony truss: 12 (1.3%)
      • Howe pony truss: 1 (0.1%)
      • Kingpost pony truss: 2 (0.2%)
      • Lenticular pony truss: 8 (0.9%)
      • Parker pony truss: 4 (0.4%)
      • Polygonal Warren pony truss: 7 (0.8%)
        • Polygonal Warren pony truss with alternating verticals: 2 (0.2%)
        • Polygonal Warren pony truss with all verticals: 3 (0.3%)
      • Post pony truss: 1 (0.1%)
      • Pratt pony truss: 15 (1.6%)
      • Queenpost pony truss: 2 (0.2%)
      • Warren pony truss: 36 (3.9%)
        • Warren pony truss with alternating verticals: 16 (1.7%)
        • Warren pony truss with no verticals: 3 (0.3%)
        • Warren pony truss with all verticals: 6 (0.7%)
    • Through truss: 128 (13.9%)
      • Baltimore through truss: 11 (1.2%)
      • Burr arch-truss: 2 (0.2%)
      • Double-intersection Warren through truss: 15 (1.6%)
      • Howe through truss: 5 (0.5%)
      • Lattice through truss: 15 (1.6%)
        • Quadrangular lattice through truss: 6 (0.7%)
        • Town lattice truss: 5 (0.5%)
        • Triple-intersection lattice through truss: 1 (0.1%)
      • Lenticular through truss: 3 (0.3%)
      • Long through truss: 1 (0.1%)
      • Parker through truss: 2 (0.2%)
      • Pennsylvania through truss: 6 (0.7%)
      • Polygonal Warren through truss: 4 (0.4%)
        • Polygonal Warren through truss with all verticals: 2 (0.2%)
      • Post through truss: 1 (0.1%)
      • Pratt through truss: 22 (2.4%)
      • Queenpost through truss: 1 (0.1%)
      • Warren through truss: 22 (2.4%)
        • Warren through truss with alternating verticals: 1 (0.1%)
        • Warren through truss with sub-panels: 3 (0.3%)
        • Warren through truss with all verticals: 10 (1.1%)
      • Whipple through truss: 4 (0.4%)

  • Tunnel: 6 (0.7%)

  • Unknown: 7 (0.8%)