Delaware Website Statistics

All Bridges

  • Total listed Delaware bridges: 163
  • Bridges with photos: 121 (74.2%)
  • Bridges with Street View: 91 (55.8%)
  • Bridges with GPS coordinates: 163 (100.0%)

  • Total photos: 714

Extant Bridges

  • Extant bridges: 116 (71.2% of all)
  • Bridges with photos: 79 (68.1% of extant)
  • Bridges with Street View: 86 (74.1% of extant)
  • Bridges with GPS coordinates: 116 (100.0% of extant)

Lost Bridges

  • Lost bridges: 42 (25.8% of all)
  • Bridges with photos: 38 (90.5% of lost)
  • Bridges with GPS coordinates: 42 (100.0% of lost)

Oldest Listed Bridges

  1. New Castle and Frenchtown Railroad Stone Bridge (New Castle County, built 1831, open to traffic)
  2. Smith's Bridge 08-02-01 #2 (New Castle County, built 1839, open to traffic)
  3. Wooddale Covered Bridge (c.1850) 08-02-04x (New Castle County, built 1850 (ca.), destroyed by flood)
  4. Papermill Covered Bridge (New Castle County, built 1861, replaced by new bridge)
  5. Greenbank Mill Bridge (New) (New Castle County, built 1882, open to pedestrians)
  6. South Market Street Swing Bridge (1883) (New Castle County, built 1883, replaced by new bridge)
  7. Paper Mill Bridge (New Castle County, built 1883, open to pedestrians)
  8. Wiggins Mill Pond Bridge (New Castle County, built 1884, replaced by new bridge)
  9. Division Street Bridge (Kent County, built 1885, open to traffic)
  10. Augustine Cutoff Bridge (1885) (New Castle County, built 1885, replaced by new bridge)

By Design

  • Arch: 38 (23.3%)
    • Deck arch: 36 (22.1%)
      • Brick arch: 2 (1.2%)
      • Closed-spandrel arch: 3 (1.8%)
      • Open-spandrel arch: 2 (1.2%)
      • Ribbed closed-spandrel arch: 1 (0.6%)
      • Stone arch: 9 (5.5%)
      • Timber arch: 1 (0.6%)
    • Through arch: 2 (1.2%)
      • Concrete through arch: 1 (0.6%)
      • Steel through arch: 1 (0.6%)

  • Beam: 25 (15.3%)
    • Stringer: 21 (12.9%)
      • Concrete stringer: 3 (1.8%)
      • Steel stringer: 12 (7.4%)
      • Timber stringer: 4 (2.5%)
    • Concrete tee beam: 3 (1.8%)

  • Culvert: 3 (1.8%)
    • Concrete culvert: 1 (0.6%)

  • Ferry: 4 (2.5%)

  • Rigid frame: 1 (0.6%)
    • Concrete rigid frame: 1 (0.6%)

  • Girder: 23 (14.1%)
    • Deck girder: 14 (8.6%)
      • Deck plate girder: 12 (7.4%)
    • Pony/through girder: 6 (3.7%)
      • Pony/through plate girder: 5 (3.1%)

  • Other: 10 (6.1%)

  • Slab: 7 (4.3%)

  • Suspension: 6 (3.7%)
    • Cable-stayed: 3 (1.8%)
    • Wire suspension: 2 (1.2%)

  • Truss: 43 (26.4%)
    • Deck truss: 5 (3.1%)
      • Baltimore deck truss: 1 (0.6%)
      • Fink deck truss: 1 (0.6%)
      • Pratt deck truss: 1 (0.6%)
      • Warren deck truss: 1 (0.6%)
    • Modern truss: 1 (0.6%)
      • Modern through truss: 1 (0.6%)
        • Modern Warren through truss: 1 (0.6%)
    • Pony truss: 13 (8.0%)
      • Bowstring pony truss: 1 (0.6%)
      • Pratt pony truss: 4 (2.5%)
      • Warren pony truss: 5 (3.1%)
        • Warren pony truss with alternating verticals: 1 (0.6%)
    • Through truss: 24 (14.7%)
      • Bowstring through truss: 1 (0.6%)
      • Burr arch-truss: 1 (0.6%)
      • Lattice through truss: 5 (3.1%)
        • Town lattice truss: 4 (2.5%)
      • Parker through truss: 1 (0.6%)
      • Polygonal Warren through truss: 1 (0.6%)
      • Pratt through truss: 7 (4.3%)
      • Warren through truss: 2 (1.2%)
        • Warren through truss with no verticals: 1 (0.6%)

    • Unknown: 3 (1.8%)