Bridges of the USA Search by Bridge Name or Type: Please note that this site is still being developed, so some of the links aren’t active yet. Covered Bridges (Coming Soon) Metal Arch Bridges Metal Truss Bridges Concrete and Masonry Arch Bridge Suspension Bridges Movable (Bascule, Lift, and Swing) Girder and Floorbeam System Bridges Box Beam Bridges Channel Beam and Tee Beam Bridges Frame Bridges Culverts Slab Bridge Metal Stringer/Multi-beam or Girder Bridge Concrete Stringer/Multi-beam or Girder Bridge Timber Stringer/Multi-beam or Girder Bridge Miscellaneous Bridges Tunnels