| Lone Star Road over Cortina Creek | Poor | 66.6 ft | 2,077 | 1968 |
| Old 99w over Stone Corral Creek | Poor | 61.0 ft | 1,976 | 1927 |
| Husted Road over Interstate Route 5 | Poor | 318.9 ft | 900 | 1971 |
| Hahn Road over Interstate 5 | Poor | 222.1 ft | 500 | 1967 |
| College City RD over Clarks Ditch | Poor | 63.0 ft | 402 | 1976 |
| County Line RD over Colusa Drain | Poor | 211.0 ft | 170 | 1970 |
| County Line RD over RD 108 10p Canal | Poor | 74.5 ft | 170 | 1978 |
| Hankins Road over Spring Creek | Poor | 42.7 ft | 118 | 1960 |
| Sycamore Slough RD over Sycamore Slough | Poor | 42.0 ft | 70 | 1915 |
| Sycamore Slough RD over Sycamore Slough | Poor | 22.0 ft | 60 | 1915 |
| Leesville-lodga RD over Little Indian Creek | Poor | 32.2 ft | 37 | 1915 |
| Dennis DR over Salt Creek | Poor | 37.7 ft | 23 | 1935 |
| Interstate 5 over Farm Land Drain | Fair | 25.9 ft | 30,000 | 1968 |
| Interstate 5 over Petroleum Creek | Fair | 66.9 ft | 18,000 | 1967 |
| Interstate 5 NB over Stone Corral Creek | Fair | 71.9 ft | 17,000 | 1971 |
| Interstate 5 SB over Salt Creek | Fair | 80.1 ft | 15,000 | 1967 |
| Interstate 5 NB over Salt Creek | Fair | 80.1 ft | 15,000 | 1952 |
| Interstate 5 over Cortina Creek | Fair | 130.2 ft | 15,000 | 1967 |
| Interstate 5 SB over Salt Creek DR | Fair | 89.9 ft | 15,000 | 1967 |
| Interstate 5 NB over Salt Creek DR | Fair | 89.9 ft | 15,000 | 1967 |
| Interstate 5 over Petroleum Creek | Fair | 66.9 ft | 15,000 | 1967 |
| Interstate 5 over Freshwater Creek | Fair | 69.9 ft | 15,000 | 1971 |
| Interstate 5 over Freshwater Creek | Fair | 69.9 ft | 15,000 | 1971 |
| Interstate 5 SB over Cnfr & Old HWY 99w | Fair | 409.8 ft | 14,000 | 1971 |
| Interstate 5 NB over Cnfr & Old HWY 99w | Fair | 410.4 ft | 14,000 | 1971 |
| Fifth ST (old 99w) over Rosina Draw | Fair | 59.4 ft | 6,687 | 1951 |
| State Route 20 over Colusa Trough | Fair | 799.9 ft | 6,400 | 1962 |
| State Route 20 over Interstate 5 | Fair | 284.1 ft | 5,800 | 1971 |
| State Route 20 over Bear Creek | Fair | 246.1 ft | 5,400 | 2009 |
| Gail AVE (old 99w) over Salt Creek | Fair | 82.0 ft | 5,151 | 1967 |
| State Route 20 over Salt Creek | Fair | 22.0 ft | 4,950 | 1940 |
| Fifth ST (old 99w) over Cortina Creek | Fair | 113.8 ft | 3,832 | 1967 |
| Maxwell Road over Stone Corral Creek | Fair | 146.7 ft | 2,306 | 1971 |
| Old 99w over South Branch Brush Creek | Fair | 43.0 ft | 2,018 | 1920 |
| Bridge ST over Sacramento River | Fair | 651.9 ft | 2,006 | 1980 |
| Maxwell-colusa RD over Interstate Route 5 | Fair | 183.7 ft | 2,000 | 1971 |
| Old 99w over Stone Corral Creek Ovfl | Fair | 24.9 ft | 1,976 | 1915 |
| Old 99w over North Branch Brush Creek | Fair | 21.0 ft | 1,958 | 1925 |
| Old 99w over Petroleum Creek | Fair | 38.4 ft | 1,616 | 1936 |
| Hahn RD over South Branch Sand Creek | Fair | 39.0 ft | 1,541 | 1969 |
| River Road over Colusa Weir | Fair | 1736.9 ft | 1,224 | 1933 |
| State Route 45 over High Ditch | Fair | 68.9 ft | 1,000 | 1980 |
| State Route 45 over Wilkins Slough | Fair | 63.0 ft | 1,000 | 1992 |
| Freshwater Road over Salt Creek | Fair | 82.3 ft | 829 | 1968 |
| Meyers Road over Interstate Route 5 | Fair | 222.1 ft | 800 | 1967 |
| Old 99w over Hunters Creek | Fair | 64.0 ft | 669 | 1934 |
| Walnut Drive over Glenn-colusa Canal | Fair | 23.0 ft | 650 | 1940 |
| Old 99w over Funks Creek Overflow | Fair | 21.0 ft | 642 | 1915 |
| State Route 16 over Bear Creek | Fair | 299.9 ft | 630 | 1964 |
| State Route 16 over Bear Creek | Fair | 160.8 ft | 630 | 1964 |
| Maxwell-sites RD over Glenn-colusa Canal | Fair | 65.9 ft | 613 | 1968 |
| Gridley Road over Angel Slough | Fair | 124.0 ft | 541 | 1973 |
| Tule Road over Colusa Drain | Fair | 258.5 ft | 524 | 1958 |
| Hillgate Road over Whiskey Creek | Fair | 24.0 ft | 484 | 1930 |
| Maxwell-sites RD over Stone Corral Creek | Fair | 57.1 ft | 462 | 1957 |
| Maxwell-sites RD over Stone Corral Creek | Fair | 77.1 ft | 459 | 1929 |
| Putnum Way over Salt Creek | Fair | 82.0 ft | 421 | 1967 |
| College City RD over South Fork Brush Creek | Fair | 29.2 ft | 402 | 1972 |
| College City Road over North Fork Brush Creek | Fair | 29.2 ft | 402 | 1972 |
| Wagner AVE over Salt Creek | Fair | 41.0 ft | 399 | 1960 |
| E Camp Road over Salt Creek | Fair | 42.7 ft | 398 | 1971 |
| Lodoga-sites RD over Stone Corral Creek | Fair | 98.1 ft | 342 | 1991 |
| Lodoga-stonyfrd RD over Little Stony Creek | Fair | 61.4 ft | 324 | 1956 |
| Mcdermott Rd. over Teresa Creek | Fair | 29.9 ft | 318 | 2010 |
| Sites-lodoga Road over Howard Creek | Fair | 20.3 ft | 303 | 1995 |
| Sites-lodoga RD over Grapevine Creek | Fair | 27.9 ft | 285 | 1971 |
| Sites-lodoga RD over Squaw Creek | Fair | 33.1 ft | 283 | 1973 |
| Sites-lodoga Road over Squaw Creek | Fair | 32.5 ft | 283 | 1998 |
| Norman Road over Willow Creek | Fair | 107.6 ft | 282 | 1973 |
| Mcdermott Road over Funks Creek | Fair | 60.0 ft | 271 | 2006 |
| Freshwater Road over Freshwater Creek | Fair | 45.9 ft | 252 | 1968 |
| Eddy Road over Clarks Ditch | Fair | 35.4 ft | 244 | 1976 |
| Delevan Road over Interstate 5 | Fair | 171.9 ft | 200 | 1970 |
| Harrington Road over Interstate 5 | Fair | 222.1 ft | 200 | 1967 |
| Greenbay Road over Interstate 5 | Fair | 222.1 ft | 200 | 1967 |
| Fouts Springs Road over Mill Creek | Fair | 24.9 ft | 190 | 1997 |
| Danley Road over Glenn-colusa Canal | Fair | 32.2 ft | 161 | 1924 |
| King Road over Freshwater Creek | Fair | 73.2 ft | 127 | 1981 |
| Dirks Road over Dirks Creek | Fair | 32.8 ft | 114 | 1960 |
| Lurline AVE over Lurline Creek | Fair | 54.5 ft | 108 | 1981 |
| Ohm RD over Salt Creek | Fair | 92.5 ft | 105 | 2006 |
| Lurline AVE over Interstate Route 5 | Fair | 184.1 ft | 100 | 1971 |
| Fairview Road over Interstate Route 5 | Fair | 184.1 ft | 100 | 1971 |
| Abel Road over Colusa Trough | Fair | 145.0 ft | 83 | 1966 |
| 18n03 over Middle Fork Stony Creek | Fair | 51.8 ft | 80 | 1966 |
| Two Mile Road over Stone Corral Creek | Fair | 92.5 ft | 76 | 1983 |
| Two Mile Road over Pamela Creek | Fair | 21.3 ft | 76 | 1935 |
| San Jose Road over Freshwater Creek | Fair | 65.3 ft | 71 | 1960 |
| Sutton Road over Funks Creek | Fair | 78.1 ft | 65 | 1964 |
| White Road over RD 108 10p Canal | Fair | 62.7 ft | 59 | 1970 |
| White Road over Petroleum Creek | Fair | 23.3 ft | 56 | 1970 |
| San Jose Road over Lurline Creek | Fair | 50.5 ft | 46 | 1972 |
| La Grande RD over Glenn-colusa Canal | Fair | 23.0 ft | 42 | 1940 |
| Gibson Road over Freshwater Creek | Fair | 54.5 ft | 41 | 2001 |
| Lenahan Road over Funks Creek | Fair | 40.0 ft | 40 | 1971 |
| Goat Mountain Road over Little Stony Creek | Fair | 32.2 ft | 40 | 1935 |
| Bear Valley Road over Bear Creek | Fair | 70.9 ft | 33 | 1960 |
| Gibson Road over Lurline Creek | Fair | 58.4 ft | 33 | 2001 |
| Four Mile Road over Stone Corral Creek | Fair | 75.1 ft | 32 | 1988 |
| Four Mile RD over Logan Creek | Fair | 40.0 ft | 31 | 1965 |
| Mcdermott Road over Dirks Creek | Fair | 40.4 ft | 31 | 1960 |
| Auto Tour Route over Main Drain | Fair | 143.0 ft | 25 | 1976 |
| Leesville Road over N Br Freshwater Creek | Fair | 46.6 ft | 23 | 2010 |
| Delphos Road over Lurline Creek | Fair | 71.9 ft | 22 | 1971 |
| Leesville Road over Freshwater Creek | Fair | 61.7 ft | 20 | 2000 |
| Wilbur Springs RD over Sulphur Creek | Fair | 27.9 ft | 20 | 2001 |
| Four Mile RD over Hunters Creek | Fair | 41.0 ft | 18 | 1950 |
| Goat Mountain Road over Sullivan Creek | Fair | 70.9 ft | 16 | 1970 |
| Clark Avenue over Colusa Drain | Fair | 66.9 ft | 15 | 1982 |
| Brim Road over Bear Creek | Fair | 22.0 ft | 15 | 1920 |
| Brim Road over Mill Creek | Fair | 96.1 ft | 11 | 1986 |
| Finks Road over Glenn-colusa Canal | Fair | 53.1 ft | 10 | 1930 |
| Interstate 5 over Hillgate Road | Good | 59.4 ft | 35,000 | 1957 |
| Interstate 5 over Brush Creek | Good | 25.9 ft | 35,000 | 1967 |
| Interstate 5 over Cortina Creek Overflow | Good | 43.0 ft | 33,000 | 1946 |
| Interstate 5 over South Branch Sand Creek | Good | 23.3 ft | 29,500 | 1967 |
| Interstate 5 over North Branch Sand Creek | Good | 65.0 ft | 15,000 | 1967 |
| Interstate 5 over North Branch Sand Creek | Good | 65.0 ft | 15,000 | 1967 |
| Interstate 5 over Cortina Creek | Good | 114.2 ft | 15,000 | 1967 |
| Interstate 5 NB over Cnfr & Old HWY 99w | Good | 429.1 ft | 15,000 | 1971 |
| Interstate 5 over Salt Creek | Good | 99.7 ft | 15,000 | 1971 |
| Interstate 5 over Salt Creek | Good | 99.7 ft | 15,000 | 1971 |
| Interstate 5 SB over Funks Creek | Good | 79.7 ft | 13,000 | 1970 |
| Interstate 5 over Funks Creek | Good | 79.7 ft | 13,000 | 1970 |
| Interstate 5 over Hunters Creek | Good | 91.9 ft | 12,500 | 1970 |
| Interstate 5 over Hunters Creek | Good | 91.9 ft | 12,500 | 1970 |
| Interstate 5 SB over Cnfr & Old HWY 99w | Good | 429.1 ft | 12,500 | 1971 |
| Interstate 5 SB over Stone Corral Creek | Good | 71.9 ft | 12,500 | 1971 |
| Interstate 5 over Lurline Creek | Good | 71.9 ft | 12,500 | 1971 |
| Interstate 5 over Lurline Creek | Good | 71.9 ft | 12,500 | 1971 |
| Interstate 5 over Funk Slough Overflow | Good | 125.0 ft | 12,500 | 1971 |
| Interstate 5 over Funk Slough Overflow | Good | 125.0 ft | 12,500 | 1971 |
| State Route 20 over Steer Ditch | Good | 43.0 ft | 9,800 | 1923 |
| State Route 20 over Refuge Drain | Good | 44.9 ft | 7,750 | 1983 |
| Fifth ST (old 99w) over North Branch Sand Creek | Good | 60.0 ft | 6,687 | 1951 |
| SR 20 over Powell Slough | Good | 59.1 ft | 6,400 | 1915 |
| State Route 20 over Salt Creek | Good | 103.0 ft | 5,800 | 1959 |
| State Route 20 over 7th ST Cnfr E Side Cnl | Good | 342.8 ft | 5,800 | 1971 |
| State Route 20 over Tehama-colusa Canal | Good | 70.9 ft | 5,800 | 1977 |
| Old 99w over Nobo Draw | Good | 25.6 ft | 5,274 | 1946 |
| State Route 20 over Bear Creek Tributary | Good | 28.9 ft | 4,950 | 2009 |
| E ST over Interstate Route 5 | Good | 210.0 ft | 3,700 | 1971 |
| Fifth ST (old 99w) over Salt Creek | Good | 53.1 ft | 3,219 | 1930 |
| Lone Star Road over Glenn-colusa Canal | Good | 38.1 ft | 2,417 | 1968 |
| Maxwell Road over Colusa Trough | Good | 594.8 ft | 2,282 | 1972 |
| Hahn Road over Salt Creek | Good | 62.7 ft | 2,071 | 1968 |
| Old 99w over Freshwater Creek | Good | 76.1 ft | 1,797 | 1930 |
| Grimes-arbuckle RD over Colusa Trough | Good | 401.9 ft | 1,673 | 1971 |
| Hahn Road over North Branch Sand Creek | Good | 63.0 ft | 1,651 | 1968 |
| Old 99w over Glenn Valley Slough Oflo | Good | 24.9 ft | 1,298 | 1914 |
| Old 99w over Lurline Creek | Good | 44.0 ft | 1,298 | 1930 |
| Sycamore Cutoff over Irrigation Ditch | Good | 22.0 ft | 1,085 | 1930 |
| Wildwood RD over Tehama-colusa Canal | Good | 74.1 ft | 1,018 | 1976 |
| Hall ST over Interstate Route 5 | Good | 95.1 ft | 1,000 | 1957 |
| Hillgate Road over Salt Creek | Good | 49.9 ft | 952 | 1965 |
| Hillgate Road over Elk Creek | Good | 60.4 ft | 739 | 1972 |
| Hillgate Road over Tehama-colusa Canal | Good | 78.1 ft | 645 | 1976 |
| Old 99w over Funks Creek | Good | 54.5 ft | 642 | 1927 |
| Wildwood Road over Petroleum Creek | Good | 33.5 ft | 539 | 1980 |
| Cortina School RD over Cortina Creek | Good | 108.9 ft | 473 | 1970 |
| Almond AVE over Tehama-colusa Canal | Good | 74.1 ft | 450 | 1976 |
| Walnut Drive over Spring Creek | Good | 44.9 ft | 410 | 2010 |
| Wagner AVE over Tehama-colusa Canal | Good | 74.1 ft | 399 | 1976 |
| Lodoga-stonyfrd RD over Stony Creek | Good | 356.0 ft | 342 | 1958 |
| Fairview Road over Glenn-colusa Canal | Good | 72.5 ft | 324 | 2004 |
| E Camp Road over Spring Creek | Good | 50.2 ft | 307 | 2012 |
| Lodoga-stonyfrd RD over Indian Creek | Good | 65.0 ft | 296 | 1976 |
| Norman Road over Colusa Drain | Good | 73.5 ft | 289 | 2009 |
| Sites-lodoga Road over Squaw Creek | Good | 23.0 ft | 283 | 1998 |
| Greenbay Road over Tehama-colusa Canal | Good | 73.2 ft | 271 | 1976 |
| Mcdermott RD over Stone Corral Creek | Good | 48.9 ft | 268 | 1947 |
| Evans Road over Cortina Creek | Good | 122.4 ft | 250 | 2012 |
| Harrington AVE over Tehama-colusa Canal | Good | 73.2 ft | 243 | 1976 |
| Fouts Springs RD over Salt Creek | Good | 32.2 ft | 237 | 1970 |
| Freshwater Road over Interstate 5 | Good | 240.2 ft | 235 | 1971 |
| Sutton Road over Stone Corral Creek | Good | 55.1 ft | 210 | 1975 |
| Lenahan Road over Interstate 5 | Good | 172.2 ft | 200 | 1970 |
| County Line Road over 108 Main Drain (sycamor) | Good | 80.1 ft | 200 | 2017 |
| Danley Road over Glenn Valley Slough | Good | 42.7 ft | 189 | 2007 |
| Cortina School RD over Tehama-colusa Canal | Good | 78.1 ft | 185 | 1976 |
| Walnut DR over Salt Creek | Good | 60.0 ft | 181 | 1970 |
| Hankins Road over Glenn-colusa Canal | Good | 24.0 ft | 180 | 1930 |
| Walnut DR over Tehama-colusa Canal | Good | 78.1 ft | 178 | 1978 |
| Danley Road over Lurline Creek | Good | 32.8 ft | 152 | 1974 |
| 18n03 over South Fork Stony Creek | Good | 57.4 ft | 150 | 1975 |
| Reddington AVE over Tehama-colusa Canal | Good | 74.1 ft | 135 | 1976 |
| Evans RD over Tehama-colusa Canal | Good | 78.1 ft | 134 | 1976 |
| Lurline AVE over Colusa Trough | Good | 126.6 ft | 126 | 1986 |
| Jensen AVE over Tehama-colusa Canal | Good | 74.1 ft | 124 | 1976 |
| Hahn Road over Tehama-colusa Canal | Good | 78.1 ft | 122 | 1976 |
| Freshwater Lateral over Salt Creek | Good | 49.5 ft | 85 | 2004 |
| Danley Lateral RD over Glenn-colusa Canal | Good | 66.6 ft | 77 | 2000 |
| Leesville-lodoga R over Indian Creek | Good | 78.1 ft | 69 | 1975 |
| Leesville-lodga RD over Indian Creek | Good | 43.0 ft | 69 | 1930 |
| Wilbur Springs RD over Bear Creek | Good | 104.0 ft | 63 | 2007 |
| Poundstone Road over RD 108 Main Canal | Good | 49.9 ft | 62 | 1930 |
| Cortina Vineyard R over Tehama-colusa Canal | Good | 78.1 ft | 62 | 1976 |
| Nonpareil AVE over Tehama-colusa Canal | Good | 73.2 ft | 60 | 1976 |
| White Road over RD 108 10q Canal | Good | 23.0 ft | 59 | 1926 |
| Miller Road over Salt Creek | Good | 67.6 ft | 59 | 2003 |
| King RD over Tehama-colusa Canal | Good | 77.1 ft | 56 | 1978 |
| White Road over Colusa Drain | Good | 220.1 ft | 56 | 2002 |
| Bagley Road over Glenn-colusa Canal | Good | 74.5 ft | 55 | 2003 |
| Lenahan Road over Funks Creek | Good | 89.2 ft | 48 | 2015 |
| Bear Valley Road over Bear Creek | Good | 112.9 ft | 41 | 1998 |
| La Grande RD over Glenn Valley Slough | Good | 29.5 ft | 35 | 1971 |
| Delphos RD over Freshwater Creek | Good | 71.9 ft | 29 | 1971 |
| Auto Tour Route over Powell Slough | Good | 65.0 ft | 25 | 1991 |
| Lurline RD over Lurline Creek | Good | 28.2 ft | 23 | 1930 |
| Ohm Road over Glenn-colusa Canal | Good | 62.7 ft | 18 | 2004 |
| Freshwater RD over Tehama-colusa Canal | Good | 95.1 ft | 17 | 1978 |
| Standard RD over Tehama-colusa Canal | Good | 86.0 ft | 10 | 1978 |
| Bagley RD over Tehama-colusa Canal | Good | 77.1 ft | 10 | 1978 |