| Road 99w over Stony Creek | Poor | 1187.0 ft | 4,157 | 1913 |
| State Route 162 over Sacramento River | Poor | 4389.1 ft | 2,400 | 1948 |
| State Route 162 over Sacramento River Ovfl | Poor | 420.9 ft | 1,500 | 1911 |
| Road #61 over Willow Creek | Poor | 140.1 ft | 928 | 1949 |
| Road #48 over Branch Walker Creek | Poor | 27.9 ft | 647 | 1940 |
| County Road Z over Angel Slough | Poor | 300.9 ft | 586 | 1925 |
| County RD 306 over Salt Creek | Poor | 102.0 ft | 300 | 1948 |
| IRR County RD 306 over Watson Creek | Poor | 32.2 ft | 268 | 1930 |
| County Road 306 over Branch Stony Creek | Poor | 22.0 ft | 235 | 1930 |
| Road Y over Mckee Overflow | Poor | 73.2 ft | 157 | 1935 |
| IRR Road 305 over Watson Creek | Poor | 81.0 ft | 120 | 1920 |
| Road 67 over Howard Slough | Poor | 222.1 ft | 93 | 1950 |
| County Road 200 over Branch Salt Creek | Poor | 62.0 ft | 91 | 1925 |
| County RD R over Glenn-colusa Canal | Poor | 104.0 ft | 85 | 1950 |
| Road 200a over Stony Creek | Poor | 500.0 ft | 63 | 1960 |
| County Road 303 over S Fk Willow Creek | Poor | 30.8 ft | 56 | 1920 |
| County Road 303 over Clarks Valley Creek | Poor | 29.9 ft | 27 | 1935 |
| Interstate 5 over South Fork Willow Creek | Fair | 210.0 ft | 12,750 | 1966 |
| Interstate 5 over South Fork Willow Creek | Fair | 210.0 ft | 12,750 | 1966 |
| Interstate 5 SB over Hambright Creek | Fair | 161.1 ft | 12,300 | 1966 |
| Interstate 5 NB over Hambright Creek | Fair | 161.1 ft | 12,300 | 1966 |
| Interstate 5 over Stony Creek | Fair | 934.4 ft | 12,300 | 1966 |
| Interstate 5 over Stony Creek | Fair | 934.4 ft | 12,300 | 1966 |
| State Route 32 over Glenn-colusa Canal | Fair | 176.5 ft | 8,700 | 1987 |
| State Route 162 over Central Irrigation Canal | Fair | 62.0 ft | 3,050 | 1925 |
| State Route 162 over Willow Creek | Fair | 256.9 ft | 3,050 | 1960 |
| Co RD #99 W over Willow Creek | Fair | 44.0 ft | 2,678 | 1915 |
| Co RD #99w over Willow Creek Overflow | Fair | 36.1 ft | 2,678 | 1915 |
| Co RD 99w over East Fork Wilson Creek | Fair | 66.9 ft | 2,678 | 1915 |
| State Route 162 over Princeton-codora Canal | Fair | 34.4 ft | 2,600 | 1963 |
| County Road 20 over Interstate 5 | Fair | 193.9 ft | 2,500 | 1966 |
| State Route 162 over Sacramento River Ovfl | Fair | 98.1 ft | 2,400 | 1968 |
| State Route 162 over Sacramento River Ovfl | Fair | 109.9 ft | 2,400 | 1940 |
| State Route 162 over Sacramento River Ovfl | Fair | 60.0 ft | 2,400 | 1919 |
| County Road 16 over Interstate 5 | Fair | 241.1 ft | 2,000 | 1966 |
| County RD 306 over Elk Creek | Fair | 76.1 ft | 2,000 | 1951 |
| Bayliss RD over Glenn-colusa Canal | Fair | 123.0 ft | 1,731 | 1948 |
| Road 9 over Central Irrigation Canal | Fair | 100.1 ft | 1,553 | 1941 |
| State Route 162 over Campbell Slough | Fair | 240.2 ft | 1,500 | 1916 |
| State Route 162 over Big Butte Creek | Fair | 166.0 ft | 1,500 | 1951 |
| State Route 162 over Big Butte Creek Overflow | Fair | 97.8 ft | 1,500 | 1937 |
| Old HWY 99w over Glenn-colusa Canal | Fair | 53.1 ft | 1,452 | 1925 |
| Baylis Blue Gum RD over Princeton-codora Canal | Fair | 22.0 ft | 1,243 | 1989 |
| Bayliss RD over Walker Creek | Fair | 228.0 ft | 1,167 | 1965 |
| Road #60 over Branch Logan Creek | Fair | 22.0 ft | 1,100 | 1930 |
| Bayliss Blue Gum R over Drain A | Fair | 40.0 ft | 1,100 | 1953 |
| County Road 39 over Interstate 5 | Fair | 239.5 ft | 1,000 | 1966 |
| County Road 48 over Interstate 5 | Fair | 194.6 ft | 1,000 | 1966 |
| County Road 33 over Interstate 5 | Fair | 239.5 ft | 1,000 | 1966 |
| County Road 27 over Interstate 5 | Fair | 193.9 ft | 1,000 | 1966 |
| County Road 28 over Interstate 5 | Fair | 193.9 ft | 1,000 | 1966 |
| County Road 57 over Interstate 5 | Fair | 221.5 ft | 1,000 | 1966 |
| County Road 60b over Interstate 5 | Fair | 171.9 ft | 1,000 | 1970 |
| County Road 68 over Interstate 5 | Fair | 175.2 ft | 1,000 | 1970 |
| Road 61 over Princeton Codora Canal | Fair | 21.0 ft | 967 | 1930 |
| Road 61 over Provident Canal | Fair | 62.0 ft | 928 | 1948 |
| State Route 162 over South Fork Willow Creek | Fair | 91.9 ft | 800 | 1981 |
| State Route 162 over Tehama-colusa Canal | Fair | 70.2 ft | 800 | 1973 |
| Co RD H \ Glenn Av over Hambright Creek | Fair | 73.2 ft | 650 | 1990 |
| Road 48 over Willow Creek | Fair | 48.9 ft | 647 | 1945 |
| County RD 24 over Central Irrigation Canal | Fair | 102.0 ft | 634 | 1948 |
| County RD 306 over Corbin Creek | Fair | 25.9 ft | 563 | 1940 |
| State Route 162 over Stony Creek | Fair | 366.1 ft | 530 | 1991 |
| State Route 162 over Nye Creek | Fair | 33.1 ft | 530 | 1953 |
| County Road 25 over Interstate 5 | Fair | 193.9 ft | 500 | 1966 |
| County Road 24 over Interstate 5 | Fair | 193.9 ft | 500 | 1966 |
| County Road 7 over Interstate 5 | Fair | 241.1 ft | 500 | 1966 |
| Road 45 over Glenn-colusa Canal | Fair | 123.0 ft | 497 | 1948 |
| County Road 39 over Sheep Corral Creek | Fair | 38.1 ft | 491 | 1970 |
| County RD 33 over Walker Creek | Fair | 144.4 ft | 489 | 2006 |
| Road 99 W over Logan Creek | Fair | 26.9 ft | 447 | 1914 |
| County RD 29 over Central Irrigation Canal | Fair | 102.0 ft | 427 | 1948 |
| County Road #200 over Branch Salt Creek | Fair | 178.5 ft | 400 | 1997 |
| Montgomery AVE over Central Irrigation Canal | Fair | 74.1 ft | 398 | 1930 |
| Co RD D over No Name Drain | Fair | 73.2 ft | 397 | 1925 |
| IRR County RD 306 over Grindstone Creek | Fair | 154.9 ft | 396 | 1950 |
| County RD P over Glenn-colusa Canal | Fair | 76.1 ft | 381 | 1940 |
| County Road #25 over Branch Walker Creek | Fair | 24.9 ft | 378 | 1970 |
| County Road D over White Cabin Creek | Fair | 44.0 ft | 351 | 1919 |
| Road 32 over Princeton-codora Canal | Fair | 30.8 ft | 316 | 1945 |
| Road #200 over Stony Creek Irrg Canal | Fair | 48.9 ft | 300 | 1950 |
| Road D over Shoat Draw | Fair | 38.1 ft | 280 | 1950 |
| Road D over Glenn-colusa Canal | Fair | 78.1 ft | 268 | 1962 |
| County RD P over Willow Creek | Fair | 81.0 ft | 249 | 1940 |
| Road 16 over Central Irrigation Canal | Fair | 96.1 ft | 249 | 1930 |
| County RD P over Willow Creek | Fair | 137.1 ft | 249 | 1970 |
| Road 57 over Glenn-colusa Canal | Fair | 65.9 ft | 236 | 1948 |
| Road 28 over Walker Creek | Fair | 169.0 ft | 235 | 1974 |
| Road 28 over Branch Walker Creek | Fair | 25.9 ft | 235 | 1984 |
| County RD 306 over Branch Stony Creek | Fair | 23.0 ft | 235 | 1930 |
| County RD 68 over N Fk Logan Creek | Fair | 63.0 ft | 225 | 1977 |
| County RD 306 over Salt Creek | Fair | 27.2 ft | 223 | 1930 |
| County RD No.6 over Tehama-colusa Canal | Fair | 87.9 ft | 213 | 1965 |
| Road V over C.i.c. Drain | Fair | 22.0 ft | 208 | 1940 |
| Road Y over Afton Drain | Fair | 44.0 ft | 207 | 1940 |
| Road 35 over White Cabin Creek | Fair | 28.9 ft | 185 | 1925 |
| Road #68 over Branch Hunter Creek | Fair | 38.1 ft | 180 | 1968 |
| County Road Z over Angel Slough | Fair | 70.9 ft | 176 | 1950 |
| Co RD #12 over Tehama-colusa Canal | Fair | 82.0 ft | 169 | 1975 |
| Road V over Provident Canal | Fair | 25.9 ft | 168 | 1949 |
| Road 65 over Shoat Draw | Fair | 39.4 ft | 168 | 1948 |
| Road 48 over Princeton-codora Canal | Fair | 23.0 ft | 166 | 1941 |
| County RD 33 over Tehama-colusa Canal | Fair | 69.9 ft | 156 | 1975 |
| County RD 306 over Dry Creek | Fair | 50.9 ft | 150 | 1951 |
| Road 48 over Glenn-colusa Canal | Fair | 152.9 ft | 150 | 1948 |
| Road 51 over Glenn-colusa Canal | Fair | 91.9 ft | 140 | 1948 |
| Road 69 over Drumheller Canal | Fair | 30.8 ft | 130 | 1940 |
| Road Bb over Willow Creek | Fair | 78.1 ft | 108 | 1965 |
| County RD 200 over Salt Creek | Fair | 57.1 ft | 100 | 1955 |
| Co Road 200a over Hambright Creek | Fair | 26.9 ft | 99 | 1975 |
| Road 34 over Princeton Codora Canal | Fair | 32.2 ft | 95 | 1935 |
| Road 67 over Branch Howard Slough | Fair | 501.0 ft | 93 | 1937 |
| Road 67 over Butte Creek | Fair | 179.1 ft | 93 | 1930 |
| Road 67 over Butte Creek | Fair | 51.8 ft | 93 | 1940 |
| Road 67 over Pancake Draw | Fair | 40.0 ft | 93 | 1930 |
| Road 67 over Packard Draw | Fair | 182.1 ft | 91 | 1930 |
| Road 67 over Angel Slough | Fair | 168.0 ft | 91 | 1972 |
| Road 48 over Willow Creek | Fair | 62.0 ft | 87 | 1935 |
| County RD 35 over Artois Drawlet | Fair | 22.0 ft | 85 | 1930 |
| Road D over Branch Walker Creek | Fair | 24.9 ft | 84 | 1973 |
| Road 42 over East Fork Wilson Creek | Fair | 26.9 ft | 79 | 1960 |
| Road 62 over Glenn-colusa Canal | Fair | 58.1 ft | 72 | 1946 |
| County RD 50 over Campbell Slough | Fair | 492.1 ft | 72 | 1930 |
| Road F over Branch Walker Creek | Fair | 26.9 ft | 65 | 1928 |
| Road 66b over Colusa Drain | Fair | 54.1 ft | 64 | 1940 |
| Road 22 over Central Irrigation Canal | Fair | 80.1 ft | 63 | 1936 |
| Road W over C.i.c. Drain | Fair | 23.0 ft | 57 | 1940 |
| County Road 303 over S Fk Willow Creek | Fair | 34.1 ft | 56 | 1929 |
| Co Road C over Hambright Creek | Fair | 41.0 ft | 51 | 1960 |
| Co RD 302 \ Clarks over S Fk Willow Creek | Fair | 62.0 ft | 46 | 1916 |
| Road 57 over Swallow Drain | Fair | 33.1 ft | 45 | 1945 |
| Road 64 over Colusa Drain | Fair | 42.0 ft | 44 | 1941 |
| Road 60 over North Fork Logan Creek | Fair | 49.9 ft | 40 | 1930 |
| Road F over Glenn-colusa Canal | Fair | 153.9 ft | 30 | 1948 |
| Co RD #45 over South Fork Willow Creek | Fair | 40.0 ft | 27 | 1965 |
| County Road 303 over Clarks Valley Creek | Fair | 32.2 ft | 27 | 1935 |
| Road Xx over Vansyckle Slough | Fair | 44.0 ft | 26 | 1930 |
| Co RD R over Quint Canal | Fair | 24.9 ft | 25 | 1965 |
| Road #313 over Watson Creek | Fair | 30.5 ft | 25 | 1960 |
| County RD No. 8 over Tehama-colusa Canal | Fair | 87.9 ft | 25 | 1965 |
| County Road 303 over Stony Creek | Fair | 231.3 ft | 25 | 1981 |
| Road Kk over Willow Creek | Fair | 30.8 ft | 21 | 1940 |
| Road 69 over Glenn-colusa Canal | Fair | 56.1 ft | 20 | 1964 |
| Road Ss over Ortiz Drain | Fair | 22.0 ft | 13 | 1950 |
| Soeth RD (rd 410) over Stony Creek | Fair | 185.0 ft | 11 | 1900 |
| Road Ww over Drain Ditch | Fair | 32.2 ft | 11 | 1947 |
| Road 53 over Colusa Drain | Fair | 45.9 ft | 8 | 1945 |
| Road 43 over Drain A | Fair | 29.9 ft | 6 | 1947 |
| IRR BIA RTE 226 over Stony River | Fair | 218.2 ft | 0 | 1977 |
| Interstate 5 over Glenn-colusa Drain Ditch | Good | 24.9 ft | 26,000 | 1966 |
| Interstate 5 over Logan Creek | Good | 28.9 ft | 25,500 | 1970 |
| Interstate 5 over North Fork Logan Creek | Good | 28.9 ft | 25,500 | 1970 |
| Interstate 5 SB over Central Irrigation Canal | Good | 200.1 ft | 13,000 | 1966 |
| Interstate 5 NB over Central Irrigation Canal | Good | 200.1 ft | 13,000 | 1966 |
| Interstate 5 SB over Cfnr Spur | Good | 104.0 ft | 13,000 | 1966 |
| Interstate 5 NB over Cfnr Spur | Good | 104.0 ft | 13,000 | 1966 |
| Interstate 5 over Wilson Creek | Good | 155.8 ft | 12,750 | 1966 |
| Interstate 5 over Wilson Creek | Good | 155.8 ft | 12,750 | 1966 |
| Interstate 5 over Boyd Overflow | Good | 94.2 ft | 12,750 | 1966 |
| Interstate 5 over Boyd Overflow | Good | 94.2 ft | 12,750 | 1966 |
| Interstate 5 over Walker Creek | Good | 226.4 ft | 12,750 | 1966 |
| Interstate 5 over Walker Creek | Good | 226.4 ft | 12,750 | 1966 |
| Interstate 5 SB over Tehama-colusa Canal | Good | 91.9 ft | 12,750 | 1966 |
| Interstate 5 NB over Tehama-colusa Canal | Good | 91.9 ft | 12,750 | 1966 |
| State Route 32 over Stony Creek | Good | 1522.3 ft | 8,650 | 2005 |
| State Route 32 over Tehama-colusa Canal | Good | 70.2 ft | 7,600 | 1973 |
| State Route 162 over Interstate 5 | Good | 213.3 ft | 5,650 | 1966 |
| State Route 32 over Interstate 5 | Good | 257.2 ft | 5,600 | 1966 |
| Road 99w over Hambright Creek | Good | 100.1 ft | 3,301 | 1936 |
| State Route 162 over Walker Creek | Good | 134.8 ft | 3,050 | 1942 |
| State Route 162 over Brush Canal | Good | 44.6 ft | 2,700 | 1963 |
| State Route 162 over Shepards Slough | Good | 44.9 ft | 2,700 | 1958 |
| County Road 99w over Willow Creek Overflow | Good | 27.9 ft | 2,678 | 1937 |
| Co RD #99w over Wilson Creek | Good | 59.1 ft | 2,678 | 1927 |
| Co RD #99w over Wilson Creek Overflow | Good | 88.9 ft | 2,678 | 1915 |
| State Route 162 over Quint Canal | Good | 84.6 ft | 2,600 | 1963 |
| State Route 162 over Colusa Drain | Good | 34.8 ft | 2,600 | 1963 |
| Co RD 99w over Tehama-colusa Canal | Good | 75.1 ft | 2,513 | 1975 |
| State Route 162 over Sacramento River Ovfl | Good | 77.1 ft | 2,400 | 1964 |
| State Route 162 over Angels Slough | Good | 146.0 ft | 2,400 | 1975 |
| State Route 45 over Stony Creek | Good | 620.1 ft | 2,300 | 1974 |
| State Route 45 over Pumphouse Intake | Good | 42.7 ft | 2,300 | 1980 |
| Co RD #99w over Walker Creek | Good | 101.0 ft | 2,051 | 1936 |
| State Route 162 over Big Butte Creek Ovrfl | Good | 183.1 ft | 1,500 | 1953 |
| State Route 162 over Sacramento River Ovfl | Good | 151.2 ft | 1,500 | 1937 |
| State Route 162 over Big Butte Creek Overflow | Good | 204.4 ft | 1,500 | 1937 |
| State Route 162 over Big Butte Creek Overflow | Good | 220.1 ft | 1,500 | 1937 |
| Co RD 200\newville over Stony Creek Irrg Canal | Good | 29.9 ft | 1,448 | 1940 |
| Bayliss Blue Gum R over Bayliss Slough | Good | 33.1 ft | 1,167 | 1958 |
| County RD #9 over Tehama-colusa Canal | Good | 28.2 ft | 1,066 | 1970 |
| County Road 35 over Interstate 5 | Good | 195.9 ft | 1,000 | 1966 |
| County RD 200 over Tehama-colusa Cn Reach 3 | Good | 82.0 ft | 899 | 1973 |
| Co RD M over Tehama-colusa Canal | Good | 75.1 ft | 883 | 1975 |
| Road #61 over Colusa Drain | Good | 59.1 ft | 859 | 1977 |
| Road #200 over Hambright Creek | Good | 82.0 ft | 791 | 1967 |
| Road 48 over Walker Creek | Good | 210.6 ft | 647 | 1974 |
| County Road P over Stony Creek | Good | 419.9 ft | 620 | 2003 |
| County Road Z over Campbell Slough | Good | 170.9 ft | 586 | 1930 |
| Road Z over Campbell Slough | Good | 149.9 ft | 586 | 2011 |
| County Road 3 over Interstate 5 | Good | 197.5 ft | 500 | 1966 |
| Co RD #24 over Tehama-colusa Canal | Good | 75.1 ft | 500 | 1975 |
| County Road D over S Fk Willow Creek | Good | 71.9 ft | 491 | 1967 |
| County RD D over N Fk Willow Creek | Good | 38.1 ft | 491 | 1966 |
| County Road 39 over Wilson Creek | Good | 58.1 ft | 491 | 1950 |
| Old HWY 99w over North Fork Logan Creek | Good | 24.0 ft | 460 | 1914 |
| Road D over N Fk Logan Creek Ovrflow | Good | 33.1 ft | 410 | 1981 |
| Road P over Drain A | Good | 25.9 ft | 395 | 1950 |
| Road E over Hambright Creek | Good | 60.0 ft | 373 | 1940 |
| State Route 162 over Salt Creek | Good | 64.0 ft | 370 | 1940 |
| Road Y over Sacramento Riv Overflow | Good | 44.0 ft | 319 | 1940 |
| County RD D over Wilson Creek | Good | 147.0 ft | 315 | 1982 |
| County RD 30 over Drain A | Good | 25.9 ft | 310 | 1950 |
| Road V over Central Irrigation Canal | Good | 123.0 ft | 303 | 1950 |
| Road #200 over Stony Creek Irrg Canal | Good | 48.9 ft | 300 | 1950 |
| Co RD #19 over Tehama-colusa Canal | Good | 82.0 ft | 274 | 1975 |
| County Road 306 over Briscoe Creek | Good | 134.8 ft | 251 | 1956 |
| Road Dd over Hambright Creek | Good | 61.0 ft | 226 | 1930 |
| Co RD #25 over Tehama-colusa Canal | Good | 75.1 ft | 223 | 1975 |
| Road 65 over Dead Dog Draw | Good | 38.1 ft | 165 | 1940 |
| County RD 33 over Wilson Creek | Good | 121.1 ft | 160 | 1970 |
| Road 28 over Branch Walker Creek | Good | 24.0 ft | 155 | 1925 |
| Co RD #28 over Tehama-colusa Canal | Good | 75.1 ft | 155 | 1975 |
| IRR County RD 306 over Dry Gulch | Good | 32.2 ft | 142 | 1930 |
| Co RD #21 over Tehama-colusa Canal | Good | 75.1 ft | 123 | 1975 |
| Road #200 over Salt Creek | Good | 212.6 ft | 120 | 1997 |
| Co RD D over Tehama-colusa Canal | Good | 75.1 ft | 114 | 1975 |
| Road 59 over Colusa Drain | Good | 61.0 ft | 113 | 1945 |
| Co RD #16 over Tehama-colusa Canal | Good | 82.0 ft | 87 | 1975 |
| Road F over Branch Hunter Creek | Good | 26.2 ft | 70 | 1999 |
| Road F over Branch Walker Creek | Good | 32.2 ft | 65 | 1975 |
| Road F over Tehama-colusa Canal | Good | 75.1 ft | 65 | 1970 |
| Road Tt over Drain A | Good | 24.9 ft | 62 | 1940 |
| County Road 303 over Clarks Valley Creek | Good | 91.9 ft | 55 | 1950 |
| Co RD 302 \ Clarks over Nye Creek | Good | 62.0 ft | 46 | 1981 |
| County RD 35 over Tehama-colusa Canal | Good | 70.9 ft | 38 | 1975 |
| Road 62 over Colusa Drain | Good | 39.0 ft | 31 | 1960 |
| County Road 303 over South Fork Willow Creek | Good | 49.9 ft | 27 | 2003 |
| County RD 69 over Tehama-colusa Canal | Good | 69.9 ft | 25 | 1975 |
| Road 62 over Shoat Draw | Good | 29.9 ft | 20 | 1940 |
| Road 46 over Walker Creek | Good | 42.7 ft | 5 | 1989 |