| Tungsten RD over Pit Taylor Canal | Pershing | 1900 | 1952 | Wood or Timber | 50 | Fair |
| Lux LN over Walker Rvr | Lyon | 1900 | 1987 | Aluminum/Wrought Iron/Cast Iron | 61 | Fair |
| Painted Rock RD over Truckee Rvr | Washoe | 1902 | | Steel | 134 | Fair |
| Bridge Street over Humboldt River | Humboldt | 1910 | 2004 | Concrete Continuous | 600 | Fair |
| Sr430 S Virginia over Dry Creek | Washoe | 1920 | 1950 | Concrete | 19,600 | Fair |
| Arlington Av over Truckee Rvr | Washoe | 1921 | 1967 | Concrete | 13,000 | Fair |
| Sr430 N Virginia over Ditch | Washoe | 1922 | 1960 | Concrete | 19,200 | Fair |
| SR 230/starr Vly over Sprr And Dry Wash | Elko | 1924 | 1983 | Steel | 100 | Fair |
| IRR US 395 over Allerman Canal | Douglas | 1927 | 1970 | Concrete | 12,000 | Good |
| Bridge Street over Truckee River | Washoe | 1928 | 1987 | Steel | 1,815 | Fair |
| Brooklyn Bridge over I278 Fdr Drive Fdr Dri | | 1883 | 2016 | | 110,939 | Poor |
| Fr El23 over Slough | Elko | 1930 | 1944 | Concrete | 100 | Fair |
| Sr208 Topaz RD over East Walker Rvr | Lyon | 1930 | 1958 | Concrete Continuous | 390 | Fair |
| Goose Creek RD over Goose Crk | Elko | 1930 | 1989 | Wood or Timber | 12 | Fair |
| SR 208/topaz RD over West Walker River | Lyon | 1931 | 1988 | Concrete | 340 | Fair |
| SR 208/topaz RD over W. Walker River Overflow | Lyon | 1931 | | Concrete | 340 | Good |
| Sr582 Boulder HWY over Flamingo Wash | Clark | 1931 | 1973 | Prestressed Concrete | 17,500 | Good |
| Lake Shore Bl over Incline Creek | Washoe | 1931 | | Concrete | 3,000 | Fair |
| SR 170 Bunkervl RD over Dry Wash | Clark | 1932 | | Concrete | 240 | Fair |
| Mesquite BLVD over Mesquite Wash | Clark | 1932 | 1965 | Concrete | 10,400 | Good |
| US 93 over Meadow Valley Wash | Lincoln | 1932 | 1985 | Steel | 740 | Good |
| Adaven RD over Sidehill Gap | Nye | 1932 | 1990 | Wood or Timber | 24 | Good |
| US 93 over Salmon Falls Crk | Elko | 1933 | 1961 | Concrete | 3,200 | Fair |
| Fr El49 over Uprr | Elko | 1933 | 1978 | Steel | 12 | Poor |
| SR 208/topaz RD over West Walker River | Lyon | 1934 | 1989 | Concrete | 2,100 | Fair |
| US 93 over Meadow Valley Wash | Lincoln | 1934 | 1958 | Steel Continuous | 1,600 | Fair |
| US 95 over Quinn Rvr | Humboldt | 1934 | 1963 | Concrete | 2,400 | Fair |
| IRR Old SR 33 over Smoke Crk | Washoe | 1934 | 1956 | Steel | 40 | Fair |
| Fr Eu02 over Whitehouse Canal | Eureka | 1935 | 1987 | Concrete | 100 | Fair |
| Sr722 Carroll Summ over Eastgate Wash | Churchill | 1935 | | Concrete | 40 | Fair |
| Sr756 Centerville over Rocky Slough | Douglas | 1935 | 1951 | Concrete | 7,950 | Fair |
| Sr756 Centerville over Cottonwood Slough | Douglas | 1935 | 1951 | Concrete | 5,150 | Fair |
| North Downs Lane over S-canal | Churchill | 1935 | | Concrete | 500 | Good |
| Toler LN over Irrigation Ditch | Douglas | 1935 | 1984 | Steel | 2,400 | Good |
| Fr 402 over Uprr | Eureka | 1935 | 1947 | Steel | 100 | Fair |
| Sr230 Starr Vly RD over Uprr | Elko | 1935 | 1983 | Steel | 100 | Fair |
| BIA RTE 0007 over Weber Reservoir | Mineral | 1935 | 2010 | Concrete | 25 | Fair |
| US 6 over Sand Springs Wash | Nye | 1936 | 1960 | Concrete | 220 | Fair |
| US 6 over Willow Crk | Nye | 1936 | | Concrete | 450 | Fair |
| IRR Sr116 Stillwtr over S-canal | Churchill | 1936 | 1987 | Concrete | 1,450 | Fair |
| Sr401 Rye Patch D over Rye Patch Spillway | Pershing | 1936 | 1987 | Prestressed Concrete | 250 | Fair |
| IRR Dressler LN over W Fork Carson Rvr | Douglas | 1936 | | Steel | 650 | Fair |
| Centerville Lane over West Fork Carson River | Douglas | 1936 | | Concrete | 2,900 | Good |
| Sierra ST over Truckee Rvr | Washoe | 1937 | | Steel Continuous | 7,600 | Poor |
| Lake ST over Truckee Rvr | Washoe | 1937 | | Concrete Continuous | 6,900 | Fair |
| Las Vegas Blvd. over Dry Wash | Clark | 1937 | 1957 | Concrete | 17,000 | Fair |
| US 93 over John Henry Wash | White Pine | 1937 | | Concrete | 480 | Fair |
| I 80 over Highland Ditch (old) | Washoe | 1938 | 1964 | Concrete | 46,500 | Fair |
| Sr425 3rd ST over Truckee Rvr | Washoe | 1938 | 1990 | Concrete | 2,100 | Good |
| Arlington Av over Truckee Rvr | Washoe | 1938 | | Concrete | 10,000 | Poor |
| Sr425 3rd ST over Truckee Rvr | Washoe | 1939 | 1990 | Concrete | 1,850 | Good |
| IRR Sr225 Mtn City over Humboldt Rvr | Elko | 1939 | | Concrete | 400 | Good |
| Old US 40 over Sprr | Humboldt | 1939 | | Steel Continuous | 122 | Fair |
| Sr230 Starr Vly RD over Marys Rvr | Elko | 1940 | 1983 | Concrete | 100 | Fair |
| Sr230 Starr Vly RD over Humboldt Rvr | Elko | 1940 | 1983 | Concrete | 100 | Fair |
| Sr718 Lonetree RD over Drainage Canal | Churchill | 1941 | | Concrete | 570 | Fair |
| Eldorado Access Ro over Eldorado Canyon | Clark | 1941 | | Concrete Continuous | 103 | Fair |
| Sr361 Gabbs Vly over Letts Wash | Nye | 1942 | | Concrete | 370 | Fair |
| Sr169 Logandale RD over Muddy Rvr | Clark | 1944 | 1985 | Concrete Continuous | 5,300 | Fair |
| Sunset RD over Sr171 Airport Connect | Clark | 1944 | | Prestressed Concrete Continuous | 16,500 | Fair |
| I 15 over California Wash | Clark | 1945 | 1982 | Steel Continuous | 13,500 | Fair |
| I 15 over Dry Wash | Clark | 1945 | 1982 | Concrete Continuous | 13,500 | Fair |
| Shady Av over Gold Canyon Crk | Lyon | 1945 | 1986 | Wood or Timber | 128 | Poor |
| Sr829 Wellington over Saroni Canal | Lyon | 1946 | | Concrete | 510 | Fair |
| Sr338 Sweetwater over Saroni Canal | Lyon | 1946 | | Concrete | 480 | Good |
| Sr278 Eureka-carln over Garden Pass Crk | Eureka | 1946 | | Concrete | 770 | Fair |
| Sr227 Lamoille RD over Lamoille Crk | Elko | 1946 | | Concrete | 830 | Fair |
| Fr Eu02 over Humboldt Rvr Oflow | Eureka | 1946 | | Concrete | 100 | Fair |
| Sr757 Muller LN over Mid Chnl Carson Rvr | Douglas | 1947 | | Concrete Continuous | 1,750 | Good |
| Sr757 Muller LN over E Chnl Carson Rvr | Douglas | 1947 | | Concrete Continuous | 1,750 | Good |
| Sr757 Muller LN over Carson Rvr | Douglas | 1947 | | Concrete Continuous | 1,750 | Fair |
| SR 338/sweetwater over Dalzell Canyon | Lyon | 1947 | | Concrete | 400 | Fair |
| SR 338/sweetwater over Dalzell Canyon | Lyon | 1947 | | Concrete | 400 | Good |
| SR 338/sweetwater over Dalzell Canyon | Lyon | 1947 | | Concrete | 400 | Good |
| IRR US 395 over Carson River Overflow | Douglas | 1948 | 1987 | Concrete | 32,000 | Fair |
| Sr604/las Vegas Bl over Dry Wash | Clark | 1948 | | Concrete | 25,400 | Good |
| Sr604/las Vegas Bl over Dry Wash | Clark | 1948 | | Concrete | 25,400 | Good |
| Sr604/las Vegas Bl over Dry Wash | Clark | 1948 | | Concrete | 25,400 | Good |
| Las Vegas Blvd. over Flamingo Wash | Clark | 1948 | 1951 | Concrete | 60,000 | Fair |
| SR 319/panaca RD over Meadow Valley Wash | Lincoln | 1948 | | Concrete | 1,800 | Good |
| Sr722 Carroll Smt over Reese Rvr | Lander | 1948 | | Concrete | 60 | Good |
| Farm District Road over Truckee-carson Canal | Churchill | 1948 | | Steel | 11 | Fair |
| SR 425 Third ST over Power Canal | Washoe | 1949 | 1990 | Steel Continuous | 2,100 | Good |
| US 95 over L-line Canal | Churchill | 1949 | 1954 | Concrete | 5,150 | Good |
| IRR Sr140 over Quinn Rvr | Humboldt | 1949 | | Concrete | 310 | Good |
| IRR Sr225 Mnt City over E Fork Owyhee Rvr | Elko | 1949 | | Concrete Continuous | 400 | Fair |
| US 95 over Ramsey Wash | Esmeralda | 1950 | 1979 | Concrete | 2,900 | Fair |
| IRR Sr225 Mtn City over E Fork Owyhee Rvr | Elko | 1950 | | Concrete | 400 | Fair |
| Sr305 Battle Mtn R over Reese Rvr | Lander | 1950 | 1975 | Concrete | 430 | Fair |
| SR 726/old River R over Carson River | Churchill | 1951 | | Concrete | 360 | Good |
| IRR Sr228 Jiggs RD over Mccutcheon Crk | Elko | 1951 | | Concrete | 590 | Good |
| IRR Sr228 Jiggs RD over S Fork Humboldt Rvr | Elko | 1951 | | Concrete Continuous | 1,800 | Fair |
| SR 88 Woodfords RD over E Fork Carson Rvr | Douglas | 1951 | 1957 | Concrete Continuous | 12,800 | Fair |
| US 93 over Antelope Canyon Wash | Lincoln | 1952 | 1958 | Concrete | 1,600 | Fair |
| US 50 over Slough Crk | Eureka | 1952 | | Concrete | 1,100 | Fair |
| US 93 over Dry Wash | Clark | 1952 | 1967 | Concrete | 740 | Good |
| SR 88/woodford RD over Cottonwood Slough | Douglas | 1952 | 1957 | Concrete Continuous | 12,800 | Good |
| SR 88 Woodfords RD over Brockliss Slough | Douglas | 1952 | 1957 | Concrete Continuous | 4,500 | Good |
| I 80 over North Truckee Drain | Washoe | 1953 | 1989 | Concrete | 49,000 | Good |
| US 93 over Thousand Springs Creek | Elko | 1953 | | Concrete | 3,200 | Fair |