| Web-splices in drums | 193 | |
| Web-splices in plate girders | 166 | |
| Web-stiffeners for plate girders | 168 | |
| Web-stiffening struts, sections of | 171 | |
| Weighing reactions for draw-spans | 122 | |
| Weight of Halsted Street Lift-Bridge | 109 | |
| Weight of masonry in anchor-piers of cantilever bridges | 67 | |
| Weight of metal in anchorages of cantilever bridges | 73 | |
| Weight of metal in anchor-spans of cantilever bridges | 73 | 74 |
| Weight of traveller, effect of, on erection stresses | 60 | |
| Weights of bridges let by lump sum and by pound price | 2 | |
| Weights of trestle-anchorages | 90 | |
| Weights per foot of lateral systems | 329 | |
| Weights per foot of trusses | 329 | |
| Wells in anchorages of cantilever bridges | 66 | |
| Wheel-guards for highway bridges | 215 | |
| Whipple truss, objections to | 19 | |
| Widening cantilever bridges over main piers | 62 | |
| Willow mattresses around piers | 314 | |
| Wind loads for draw-spans | 185 | |
| Wind loads for highway bridges | 224 | |
| Wind loads for highway viaducts | 224 | |
| Wind loads for railroad bridges | 153 | |
| Wind stresses, recording of | 334 | |
| Winner Bridge | 114 | |
| Wooden compression- members | 276 | |
| Wooden hand-rails for highway bridges | 215 | |
| Wooden stringers | 274 | |
| Wooden trestle-bracing | 276 | |
| Work designed by author's specifications | 4 | |
| Working-drawings | 243 | 337 |
| Working-pressure on screw-threads | 208 | |
| Working-stresses, intensities of | 155 | |
| Workmanship | 254 | |
| Workmen | 261 | |
| Wright's Designing of Draw-Spans | 122 | |
| Wrought iron, specifications for | 252 | |
| Z-bar columns | 90 | 95 |