Louisiana Website Statistics

All Bridges

  • Total listed Louisiana bridges: 624
  • Bridges with photos: 364 (58.3%)
  • Bridges with Street View: 430 (68.9%)
  • Bridges with GPS coordinates: 624 (100.0%)

  • Total photos: 2,150

Extant Bridges

  • Extant bridges: 465 (74.5% of all)
  • Bridges with photos: 281 (60.4% of extant)
  • Bridges with Street View: 403 (86.7% of extant)
  • Bridges with GPS coordinates: 465 (100.0% of extant)

Lost Bridges

  • Lost bridges: 156 (25.0% of all)
  • Bridges with photos: 71 (45.5% of lost)
  • Bridges with GPS coordinates: 156 (100.0% of lost)

Oldest Listed Bridges

  1. Joor Bridge (East Baton Rouge Parish, built 1880, replaced by new bridge)
  2. KCS - Ouachita River Bridge (Ouachita Parish, built 1882, open to traffic)
  3. IC - Macon Bayou Bridge (Richland Parish, built 1883, open to traffic)
  4. KCS - Dorcheat Bayou Bridge (Webster Parish, built 1884, open to traffic)
  5. NS - Lake Pontchartrain Trestle (St. Tammany Parish, built 1884, open to traffic)
  6. KCS - Cross Bayou "A" Bridge (Caddo Parish, built 1890, abandoned)
  7. St. John Bridge (St. Martin Parish, built 1895, abandoned)
  8. Magnolia Bridge (Orleans Parish, built 1896, open to pedestrians)
  9. KCS - Calcasieu River RR Bridge (Calcasieu Parish, built 1897, lost)
  10. KCS - Caddo Lake Bridge (Caddo Parish, built 1898, replaced by new bridge)

By Design

  • Arch: 15 (2.4%)
    • Deck arch: 12 (1.9%)
      • Closed-spandrel arch: 2 (0.3%)
    • Through arch: 3 (0.5%)
      • Steel through arch: 3 (0.5%)

  • Beam: 205 (32.9%)
    • Stringer: 129 (20.7%)
      • Concrete stringer: 9 (1.4%)
      • Steel stringer: 82 (13.1%)
      • Timber stringer: 28 (4.5%)
    • Concrete tee beam: 72 (11.5%)

  • Culvert: 5 (0.8%)
    • Concrete culvert: 3 (0.5%)
    • Stone culvert: 1 (0.2%)

  • Ferry: 11 (1.8%)

  • Floating: 7 (1.1%)
    • Pontoon: 7 (1.1%)

  • Rigid frame: 4 (0.6%)
    • Concrete rigid frame: 4 (0.6%)

  • Girder: 69 (11.1%)
    • Deck girder: 40 (6.4%)
      • Concrete deck girder: 3 (0.5%)
      • Deck plate girder: 28 (4.5%)
    • Pony/through girder: 12 (1.9%)
      • Concrete pony/through girder: 1 (0.2%)
      • Pony/through plate girder: 9 (1.4%)

  • Other: 118 (18.9%)

  • Slab: 21 (3.4%)

  • Suspension: 6 (1.0%)
    • Cable-stayed: 4 (0.6%)
    • Wire suspension: 2 (0.3%)

  • Truss: 138 (22.1%)
    • Deck truss: 3 (0.5%)
      • Warren deck truss: 2 (0.3%)
    • Pony truss: 30 (4.8%)
      • Polygonal Warren pony truss: 8 (1.3%)
        • Polygonal Warren pony truss with alternating verticals: 1 (0.2%)
      • Pratt pony truss: 4 (0.6%)
      • Queenpost pony truss: 2 (0.3%)
      • Warren pony truss: 4 (0.6%)
        • Warren pony truss with all verticals: 1 (0.2%)
    • Through truss: 99 (15.9%)
      • Baltimore through truss: 2 (0.3%)
      • Camelback through truss: 1 (0.2%)
      • Double-intersection Warren through truss: 2 (0.3%)
      • Howe through truss: 1 (0.2%)
      • K-Parker through truss: 4 (0.6%)
      • K-Truss through truss: 1 (0.2%)
      • Parker through truss: 9 (1.4%)
      • Pennsylvania through truss: 1 (0.2%)
      • Polygonal Warren through truss: 10 (1.6%)
        • Polygonal Warren through truss with all verticals: 4 (0.6%)
      • Pratt through truss: 9 (1.4%)
      • Waddell "A" through truss: 1 (0.2%)
      • Warren through truss: 24 (3.8%)
        • Warren through truss with all verticals: 6 (1.0%)

    • Tunnel: 3 (0.5%)

    • Unknown: 22 (3.5%)