Displaying results 201 of 220 - 256
Date Sort descending | Image | Innovation | City | State | Country |
---|---|---|---|---|---|
1928 | Moffat Tunnel | Nederland | CO | USA | |
1929 | Goodyear Airdock | Akron | OH | USA | |
1929 | Navajo Bridge | Page | AZ | USA | |
1929 | Texas Commerce Bank Building | Houston | TX | USA | |
1929-1941 | San Antonio River Walk & Flood Control System | San Antonio | TX | USA | |
1930 | Detroit-Windsor Tunnel | Detroit | MI | USA | |
1930 | Zion Mt. Carmel Tunnel and Highway | Hurricane | UT | USA | |
1930 | Salginatobel Bridge | Schiers | Graubünden | Switzerland | |
1930 | White River Concrete Arch Bridge | Cotter | AR | USA | |
1930 | Columbia-Wrightsville Bridge | West Hempfield | PA | USA | |
1931 | Bayonne Bridge | Staten Island | NY | USA | |
1931 | Rogue River Bridge | Gold Beach | OR | USA | |
1931 | George Washington Bridge | Fort Lee | NJ | USA | |
1931 | Waldo-Hancock Suspension Bridge | Stockton Springs | ME | USA | |
1932 | Sydney Harbour Bridge | Milsons Point | NSW | Australia | |
1932 | Going-to-the-Sun Road | West Glacier | MT | USA | |
1933-1941 | Colorado River Aqueduct | CA | USA | ||
1935 | Hoover Dam | Boulder City | AZ | USA | |
1935 | Huey P. Long Bridge | Bridge City, LA 70094 | LA | USA | |
1935-1937 | Blue Ridge Parkway | Blue Ridge Mountains | VA | USA |