Louisiana Website Statistics

All Bridges

  • Total listed Louisiana bridges: 494
  • Bridges with photos: 176 (35.6%)
  • Bridges with Street View: 324 (65.6%)
  • Bridges with GPS coordinates: 493 (99.8%)

  • Total photos: 963

Extant Bridges

  • Extant bridges: 397 (80.4% of all)
  • Bridges with photos: 153 (38.5% of extant)
  • Bridges with Street View: 303 (76.3% of extant)
  • Bridges with GPS coordinates: 396 (99.7% of extant)

Lost Bridges

  • Lost bridges: 95 (19.2% of all)
  • Bridges with photos: 19 (20.0% of lost)
  • Bridges with GPS coordinates: 95 (100.0% of lost)

Oldest Listed Bridges

  1. Cross Bayou Bridge (Caddo Parish, built 1890, abandoned)
  2. St. John Bridge (St. Martin Parish, built 1895, abandoned)
  3. Magnolia Bridge (Orleans Parish, built 1896, open to pedestrians)
  4. Caddo Lake Railroad Bridge (Caddo Parish, built 1898, replaced by new bridge)
  5. Murray St. Bridge (Rapides Parish, built 1902, removed)
  6. Sabine River Bridge (Beauregard Parish, built 1905, open to traffic)
  7. Ouachita River KCS Bridge (Ouachita Parish, built 1906, open to traffic)
  8. Charles Brown Rd. Bridge (Madison Parish, built 1908, open to traffic)
  9. Poydras Bayou Bridge (Iberville Parish, built 1908, abandoned)
  10. Lake Bigeaux Rail Trestle (St. Martin Parish, built 1908, removed)

By Design

  • Arch: 13 (2.6%)
    • Deck arch: 12 (2.4%)
    • Through arch: 1 (0.2%)
      • Steel through arch: 1 (0.2%)

  • Beam: 175 (35.4%)
    • Stringer: 103 (20.9%)
      • Concrete stringer: 4 (0.8%)
      • Steel stringer: 73 (14.8%)
      • Timber stringer: 20 (4.0%)
    • Concrete tee beam: 70 (14.2%)

  • Culvert: 1 (0.2%)

  • Ferry: 8 (1.6%)

  • Floating: 5 (1.0%)
    • Pontoon: 5 (1.0%)

  • Girder: 24 (4.9%)
    • Deck girder: 11 (2.2%)
      • Deck plate girder: 11 (2.2%)
    • Pony/through girder: 3 (0.6%)
      • Pony/through plate girder: 2 (0.4%)

  • Other: 130 (26.3%)

  • Slab: 15 (3.0%)

  • Suspension: 4 (0.8%)
    • Cable-stayed: 2 (0.4%)
    • Wire suspension: 2 (0.4%)

  • Truss: 107 (21.7%)
    • Deck truss: 2 (0.4%)
      • Warren deck truss: 2 (0.4%)
    • Pony truss: 28 (5.7%)
      • Polygonal Warren pony truss: 8 (1.6%)
      • Pratt pony truss: 3 (0.6%)
      • Queenpost pony truss: 1 (0.2%)
      • Warren pony truss: 2 (0.4%)
    • Through truss: 71 (14.4%)
      • Baltimore through truss: 1 (0.2%)
      • Double-intersection Warren through truss: 2 (0.4%)
      • K-Parker through truss: 4 (0.8%)
      • K-Truss through truss: 1 (0.2%)
      • Parker through truss: 8 (1.6%)
      • Pennsylvania through truss: 1 (0.2%)
      • Polygonal Warren through truss: 7 (1.4%)
        • Polygonal Warren through truss with all verticals: 3 (0.6%)
      • Pratt through truss: 5 (1.0%)
      • Waddell "A" through truss: 1 (0.2%)
      • Warren through truss: 14 (2.8%)
        • Warren through truss with all verticals: 2 (0.4%)

    • Tunnel: 2 (0.4%)

    • Unknown: 10 (2.0%)