| Best method of letting bridges | 3 | |
| Best sections for columns | 90 | |
| Best span-lengths for bridges | 329 | |
| Best span-lengths for trestles | 86 | 180 |
| Bevel gears | 204 | |
| Binding calculations | 345 | |
| Binding drawings | 344 | |
| Blunders in shopwork | 282 | |
| Bolt-holes in timber trestles | 279 | |
| Bolts in timber trestles | 271 | |
| Bottom-chord packing | 176 | |
| Bottom chords for truss draw-spans | 191 | |
| Bottom chords, reversion of stresses in | 32 | |
| Boxes for shafting | 206 | |
| Braced steel piers | 313 | |
| Braced towers for elevated railroads | 93 | |
| Bracing between cylinders | 313 | |
| Bracing for draw-spans | 191 | |
| Bracing for trestle-towers | 89 | 179 |
| Bracing-frames for deck-spans | 167 | |
| Bracing-frames in multiple-track structures | 25 | 26 |
| Brackets for pinions | 193 | |
| Brackets in elevated railroads | 180 | |
| Brick piers | 309 | |
| Bridge approaches, ornamentation of | 53 | |
| Bridge-designing still in process of development | 43 | 44 |
| Bridge disasters | 131 | |
| Bridges designed by manufacturers | 3 | |
| Brown paper for drawings | 346 | |
| Buckle-plate floors | 143 | |
| Built members, workmanship on | 256 | |
| Built stringers for highway bridges | 230 | |
| Burnt rivets | 289 | |
| Cables for Halsted Street Lift-Bridge | 111 | |
| Caissons | 292 | |
| Caissons of steel and concrete | 309 | |
| Caissons of timber and concrete | 308 | |
| Calculations | 332 | |
| Calculations, binding of | 345 | |
| Calculations, filing of | 344 | 345 |
| Calculations, graphical | 334 | |
| Camber for draw-spans | 212 | |
| Camber for highway bridges | 220 | |
| Camber for railroad bridges | 149 | |
| Canal Street Folding-Bridge, Chicago | 107 | |
| Cantilever-arms, stresses in | 58 | |