- (1)
- 10-panel truss (47)
- 11-panel truss (15)
- 12-panel truss (12)
- 14-panel truss (6)
- 16-panel truss (1)
- 18-panel truss (1)
- 2-panel truss (2)
- 3-panel truss (19)
- 4-panel truss (41)
- 5-panel truss (95)
- 6-panel truss (115)
- 7-panel truss (92)
- 8-panel truss (82)
- 9-panel truss (41)
- Arch (7,541)
- Bailey truss (1)
- Baltimore truss (39)
- Bascule (434)
- Beam (1,503)
- Bedstead truss (12)
- Bowstring truss (52)
- Brick arch (7)
- Burr arch-truss (119)
- Cable-stayed (21)
- Camelback truss (60)
- Cantilevered truss (109)
- Childs truss (8)
- Closed-spandrel arch (1,107)
- Concrete balustrade (77)
- Concrete girder (34)
- Concrete inset railing (32)
- Concrete pony arch (21)
- Concrete tee beam (87)
- Corrugated deck (522)
- Covered (500)
- Culvert (14)
- Curved (23)
- Deck arch (6,638)
- Deck girder (82)
- Deck truss (532)
- Double decker (10)
- Double-intersection Warren truss (13)
- Eyebar suspension (5)
- Ferry (16)
- Footbridge (10)
- Girder (156)
- HAER documented (282)
- Half-hip (19)
- Howe truss (85)
- I-270 (MO-IL) (2)
- Inclined upper chord (4)
- Inverted bowstring truss (3)
- Kingpost truss (19)
- Laced endposts (8)
- Lannon Stone (23)
- Lattice truss (53)
- Lenticular truss (22)
- Long truss (6)
- Ludington, Michigan (1)
- MKT Trail (2)
- MO 124 (1)
- MO 135 (1)
- MO 163 (4)
- MO 41 (1)
- MO 740 (3)
- MO 763 (4)
- MO 87 (13)
- Manitowoc
- Movable (859)
- Multiple Kingpost truss (38)
- Mystery (43)
- No guardrails (21)
- Open-spandrel arch (194)
- Over a mile long (94)
- Parker truss (404)
- Partride truss (4)
- Pegram truss (2)
- Pennsylvania truss (97)
- Pin-connected (413)
- Plate girder (108)
- Polygonal Warren truss (101)
- Pony truss (9,380)
- Post truss (2)
- Pratt truss (1,380)
- Queenpost truss (35)
- Rail-to-road (13)
- Rail-to-trail (33)
- Railroad overpass (39)
- Rails to Trails
- Rainbow arch (135)
- Relocated (121)
- Riveted (356)
- Riveted truss (2)
- Self-anchored (3)
- Smith truss (15)
- Span length 100-125 feet (2,246)
- Span length 125-175 feet (1,980)
- Span length 175-250 feet (978)
- Span length 25-50 feet (6,029)
- Span length 250-500 feet (564)
- Span length 50-75 feet (4,624)
- Span length 500-1000 feet (233)
- Span length 75-100 feet (3,238)
- Span length over 1000 feet (63)
- Span length under 25 feet (2,536)
- State line crossing (143)
- Stearns truss (2)
- Steel arch (261)
- Steel grate deck (355)
- Steel stringer (323)
- Steel through arch (127)
- Stone arch (1,348)
- Stone piers (3)
- Suspension (151)
- Swing (265)
- Thacher truss (2)
- Through girder (60)
- Through truss (5,175)
- Timber stringer (1,009)
- Total length 100-125 feet (2,412)
- Total length 1000-2500 feet (693)
- Total length 125-175 feet (2,613)
- Total length 175-250 feet (1,761)
- Total length 25-50 feet (5,247)
- Total length 250-500 feet (2,074)
- Total length 50-75 feet (4,927)
- Total length 500-1000 feet (987)
- Total length 75-100 feet (3,315)
- Total length over 2500 feet (334)
- Total length under 25 feet (958)
- Truss (15,704)
- Tubular piers (14)
- Tunnel (253)
- Uncovered wooden truss (3)
- Union Pacific (1)
- Vertical endposts (5)
- Vertical lift (169)
- Waddell "A" truss (3)
- Warren truss (689)
- Warren-Turner truss (1)
- Whipple truss (43)
- Wooden deck (5,164)
- Wooden railroad overpass (11)
- Wrought iron (8)