| NAME | STAAT | ORT | TYP | Material | LAENGE | WEITE | HOEHE | BREITE | BAUZEIT | QUERUNG |
| Willemsbrug | Niederlande | Rotterdam | Schrägseilbrücke | Stahlbeton | 364 | 270 | 9 | 34,3 | 1981 | Nieuwe Maas |
| Willerzeller Viadukt | Schweiz | Willerzell | Balkenbrücke | | 1115 | | | | | Sihlsee |
| William B. Umstead Bridge | USA | Manteo - Manns Harbor, NC | Balkenbrücke | Stahl/Eisen | 4500 | | | | 1957 | Croatan Sound |
| William H. Harsha Bridge | USA | Maysville, KY - Aberdeen,OH | Schrägseilbrücke | | 738 | 320 | | 17 | 1998 | Ohio River |
| William Jolly Bridge | Australien | Brisbane | Bogenbrücke | Stahlbeton | 497 | | | | | Brisbane River |
| William Natcher Bridge | USA | Owensboro, KY - Rockport, IN | Schrägseilbrücke | Stahl/Eisen | 1374 | 365 | | | 2002 | Ohio River |
| William Preston Lane Memorial Bridge | USA | Annapolis, MD | Hängebrücke | Stahl/Eisen | 7315 | 488 | 56,9 | 8 | 1949-1952 | Chesapeake Bay |
| William S. Ritchie Bridge | USA | Ravenswood, WV | Balkenbrücke | Stahl/Eisen | | 274 | | | 1981 | Ohio River |
| Williams Bridge | USA | Williams, IN | Balkenbrücke | Holz | 115 | | | | 1884 | East Fork White River |
| Williams Lake Bridge | USA | Iowa | Bogenbrücke | Stahl/Eisen | | | | | | Mississippi |
| Williamsburg Bridge | USA | New York | Hängebrücke | Stahl/Eisen | 2227 | 487 | 41 | | 1896-1903 | East River |
| Willigisbrücke | Deutschland | Aschaffenburg | Balkenbrücke | Stahl/Eisen | | | | | 1965 | Main |
| Willinger Viadukt | Deutschland | Willingen | Bogenbrücke | Stein | 293 | 21,7 | 31 | 5,2 | 1914-1916 | |
| Willis Avenue Bridge | USA | New York | Balkenbrücke | Stahl/Eisen | 979 | 92,6 | 7,6 | 18,3 | 1901 | Harlem River |
| Willow Creek Bridge | USA | | Balkenbrücke | Stahl/Eisen | 320 | | 83,8 | | 1911 | Willow Creek |
| Willy-Brandt-Brücke | Deutschland | Düsseldorf | Balkenbrücke | Stahl/Eisen | 762 | 206 | 8 | 30,4 | 1950-1951 | Rhein |
| Wilmington Memorial Bridge | USA | Wilmington, NC | Balkenbrücke | Stahl/Eisen | 969 | 33 | | | 1969 | Cape Fear |
| Wilson Bridge | USA | Wilson, MD | Bogenbrücke | Stein | 64 | | | | 1819 | Conococheague Creek |
| Wilson River Bridge | USA | Tillamook, OR | Bogenbrücke | Stahlbeton | 55 | 36,6 | | | 1931 | Wilson River |
| Wilson, Pont de | Frankreich | Lyon | Bogenbrücke | Beton (allg.) | 230 | 49 | | 20 | 1912-1916 | Rhone |
| Windriver Canyon Bridge | USA | | Balkenbrücke | Stahl/Eisen | | | | | | Wind River |
| Windsor Bridge | Großbritannien | Windsor - Eton | Bogenbrücke | Stahl/Eisen | | | | | 1822-1825 | Themse |
| Windsor Railway Bridge | Großbritannien | Windsor | Bogenbrücke | Stahl/Eisen | | | | | 1849/1865 | Themse |
| Windward Viaduct | USA | Oahu, Hawaii. | Bogenbrücke | Beton (allg.) | 2012 | 91 | 48 | | | Hochstraße |
| Wingatui Viaduct | Neuseeland | | Balkenbrücke | Stahl/Eisen | | | | | | |
| Winona Highway Bridge | USA | Winona, MN | Auslegerbrücke | Stahl/Eisen | | 132,2 | 19,5 | | 1942 | Mississippi River |
| Winona Railroad Bridge | USA | Winona, MN | Balkenbrücke | Stahl/Eisen | 805 | 109,7 | 3,3 | | 1890-1891 | Mississippi River |
| Winterbourne Viaduct | Großbritannien | Winterbourne | Bogenbrücke | Stein | | | 31 | | 1902 | Froma |
| Winterbrookbridge | Großbritannien | Wallingford | Balkenbrücke | Stahl/Eisen | | | | | 1993 | Themse |