| Nice-lucerne Cutof over Rodman Narrows(clear Lak | Poor | 313.0 ft | 5,315 | 1958 |
| Elk Mtn RD over West Fork Middle Creek | Poor | 122.0 ft | 1,000 | 1966 |
| Road M1 over Eel River | Poor | 302.8 ft | 350 | 1971 |
| Big Canyon Road over Big Canyon Creek | Poor | 24.0 ft | 308 | 1930 |
| Big Canyon Road over Big Canyon Creek | Poor | 24.6 ft | 304 | 1930 |
| Big Canyon RD over Big Canyon Creek | Poor | 24.0 ft | 208 | 1956 |
| Elk Mountain RD over Soda Creek | Poor | 50.9 ft | 169 | 1979 |
| Bartlett Sprngs RD over Bartlett Creek | Poor | 64.0 ft | 108 | 1950 |
| Road over Stream | Poor | 25.9 ft | 50 | 1962 |
| Wolf Creek Road over Wolf Creek | Poor | 84.0 ft | 26 | 1967 |
| S Cow Mtn -8 Mile over Panther Creek | Poor | 44.6 ft | 25 | 2000 |
| Chalk Mtn RD over North Fork Cache Creek | Poor | 209.0 ft | 15 | 1967 |
| State Route 53 over Seigler Creek | Fair | 35.4 ft | 16,500 | 1952 |
| State Route 29 over Lupiyoma Creek | Fair | 25.9 ft | 10,900 | 1955 |
| State Route 29 over Seigler Creek | Fair | 73.2 ft | 10,600 | 1991 |
| State Route 29 over Cole Creek | Fair | 26.2 ft | 10,350 | 1959 |
| State Route 29 over Coyote Creek | Fair | 33.5 ft | 9,000 | 1948 |
| State Route 20 over Morrison Creek | Fair | 62.0 ft | 8,900 | 1933 |
| SR 53 over Cache Creek | Fair | 203.4 ft | 8,500 | 1997 |
| SR 53 over Cache Creek | Fair | 215.6 ft | 8,250 | 1997 |
| State Route 20 over Middle Creek | Fair | 219.2 ft | 8,000 | 1959 |
| State Route 20 over Polk Jones Cattlepass | Fair | 23.6 ft | 8,000 | 1955 |
| State Route 29 over 11th Street | Fair | 111.9 ft | 6,725 | 1972 |
| State Route 29 over Martin Street | Fair | 131.9 ft | 6,725 | 1972 |
| State Route 29 over Martin Street | Fair | 131.9 ft | 6,725 | 1972 |
| State Route 20 over Phipps Creek | Fair | 23.0 ft | 6,300 | 1993 |
| State Route 29 over Robinson Creek | Fair | 96.1 ft | 5,700 | 1947 |
| State Route 29 over Scotts Creek | Fair | 336.9 ft | 5,700 | 1989 |
| Main Street over Kelsey Creek | Fair | 372.0 ft | 3,502 | 1946 |
| State Route 175 over Dry Creek | Fair | 110.9 ft | 3,150 | 1952 |
| State Route 175 over Putah Creek | Fair | 49.9 ft | 3,150 | 1994 |
| Big Valley RD over Mcgough Slough | Fair | 37.7 ft | 3,116 | 1963 |
| Big Valley RD over Adobe Creek | Fair | 132.9 ft | 2,962 | 1963 |
| State Route 29 over Lucerne Cut-off | Fair | 109.3 ft | 2,850 | 1972 |
| Scotts Valley Road over Scotts Creek | Fair | 164.4 ft | 2,140 | 1960 |
| Soda Bay RD over Kelsey Creek | Fair | 173.6 ft | 2,108 | 1961 |
| Soda Bay RD over Adobe Creek | Fair | 51.8 ft | 2,060 | 1957 |
| Butts Cyn RD over Bucksnort Creek | Fair | 61.0 ft | 1,900 | 1969 |
| Merritt Road over Kelsey Creek | Fair | 290.0 ft | 1,870 | 2008 |
| Morgan Valley RD over Copsey Creek | Fair | 55.1 ft | 1,800 | 1965 |
| Lake ST over Cache Creek | Fair | 134.8 ft | 1,700 | 1987 |
| Park Way over State Route 29 | Fair | 175.9 ft | 1,615 | 1972 |
| Soda Bay RD over Manning Creek | Fair | 66.3 ft | 1,545 | 1956 |
| Lakeport BLVD over State Route 29 | Fair | 190.0 ft | 1,300 | 1972 |
| Bottle Rock Road over Cole Creek | Fair | 21.0 ft | 1,205 | 1971 |
| Burns Valley RD over Burns Valley Creek | Fair | 32.8 ft | 1,200 | 1990 |
| Konocti RD over Cole Creek | Fair | 23.0 ft | 1,155 | 1987 |
| Lakeshore BLVD over Lyons Creek | Fair | 27.9 ft | 1,066 | 1931 |
| Elk Mtn RD over Overflow Channel | Fair | 223.4 ft | 1,061 | 1958 |
| Martin ST over Forbes Creek | Fair | 27.2 ft | 1,046 | 1970 |
| Big Valley RD over Hill Creek | Fair | 26.9 ft | 1,038 | 1963 |
| Big Canyon RD over Putah Creek | Fair | 264.8 ft | 820 | 1961 |
| E Hghlnd Spring RD over Highland Creek | Fair | 25.9 ft | 618 | 1960 |
| Scotts Valley Road over Hendricks Creek | Fair | 35.8 ft | 594 | 1925 |
| Socrates Mine RD over Gunning Creek | Fair | 59.4 ft | 546 | 1981 |
| Spruce Grove Road over Copsey Creek | Fair | 102.0 ft | 512 | 1995 |
| Hill Road East over State Route 29 | Fair | 316.9 ft | 485 | 1972 |
| New Long Valley RD over Long Valley Creek | Fair | 93.2 ft | 346 | 1984 |
| Konocti over Schindler Creek | Fair | 68.9 ft | 320 | 1965 |
| Rancheria Road over Middle Creek | Fair | 163.1 ft | 315 | 1958 |
| Finley East Road over Adobe Creek | Fair | 86.0 ft | 309 | 1970 |
| Jessie ST over Seigler Canyon Creek | Fair | 42.7 ft | 300 | 1987 |
| Road M1 over Benmore Creek | Fair | 113.8 ft | 300 | 1970 |
| Sylar Lane over Cole Creek | Fair | 27.6 ft | 250 | 1965 |
| Wolf Creek Road over Wolf Creek | Fair | 165.7 ft | 220 | 1967 |
| Witter Springs RD over Cooper Creek | Fair | 38.1 ft | 212 | 1935 |
| Big Canyon RD over Big Canyon Creek | Fair | 41.3 ft | 208 | 1930 |
| Argonaut Road over Adobe Creek | Fair | 98.1 ft | 206 | 1966 |
| Bell Park AVE over Seigler Creek | Fair | 76.8 ft | 200 | 1966 |
| Copsey Creek Way over Copsey Creek | Fair | 79.1 ft | 200 | 1965 |
| Elk Mountain Road over Middle Creek | Fair | 179.5 ft | 175 | 1959 |
| Anderson Springs R over Anderson Creek | Fair | 23.0 ft | 154 | 1940 |
| Konocti View over Clear Lake Oaks Channel | Fair | 68.9 ft | 150 | 1965 |
| Blue Heron Court over Clear Lake Oaks Channel | Fair | 68.9 ft | 150 | 1965 |
| Witter Springs RD over Cooper Creek | Fair | 21.0 ft | 123 | 1935 |
| Wardlaw ST over Saint Helena Creek | Fair | 139.1 ft | 114 | 1908 |
| Clark Drive over Cole Creek | Fair | 26.2 ft | 114 | 1940 |
| Bartlett Sprgs RD over Cache Creek | Fair | 182.1 ft | 108 | 1982 |
| Bartlett Sprgs RD over Stanton Creek | Fair | 42.0 ft | 108 | 1960 |
| Rose Anderson RD over Anderson Creek | Fair | 31.2 ft | 104 | 1945 |
| Boat Launch Rmp RD over Cole Creek | Fair | 50.5 ft | 104 | 1970 |
| Bartlett Sprngs RD over Complexion Creek | Fair | 40.4 ft | 103 | 1960 |
| Bartlett Sprgs RD over Kilpepper Creek | Fair | 27.6 ft | 103 | 1960 |
| Bartlett Spring RD over Bartlett Creek | Fair | 53.1 ft | 80 | 1960 |
| Bridge Arbor RD over Robinson Creek | Fair | 22.0 ft | 65 | 1925 |
| Blue Heron Court over Clear Lake Oaks Channel | Fair | 68.9 ft | 60 | 1965 |
| Eickhoff RD over Scotts Creek | Fair | 91.9 ft | 56 | 1984 |
| Quail Trail over Wolf Creek | Fair | 124.0 ft | 36 | 1967 |
| 34013: Hunting Cre over Hunting Creek | Fair | 32.2 ft | 25 | 2003 |
| Peterson Lane over Adobe Creek | Fair | 49.9 ft | 23 | 1950 |
| Road M01 over Rattlesnake Creek | Fair | 228.3 ft | 20 | 1966 |
| State Route 29 over Kelsey Creek | Good | 210.0 ft | 12,100 | 1966 |
| State Route 29 over Adobe Creek | Good | 98.1 ft | 12,100 | 1966 |
| State Route 29 over Hill Creek | Good | 28.9 ft | 12,100 | 1966 |
| State Route 29 over Manning Creek | Good | 25.9 ft | 12,100 | 1966 |
| State Route 29 over Putah Creek | Good | 383.9 ft | 10,900 | 2003 |
| State Route 29 over Saint Helena Creek | Good | 187.0 ft | 10,900 | 1934 |
| State Route 20 over Bachelor Creek | Good | 28.2 ft | 10,600 | 2022 |
| State Route 29 over Saint Helena Creek | Good | 111.9 ft | 8,300 | 1947 |
| State Route 20 over Clover Creek | Good | 60.0 ft | 8,000 | 1975 |
| State Route 29 over Saint Helena Creek | Good | 172.9 ft | 7,000 | 1947 |
| State Route 29 over 11th Street | Good | 111.9 ft | 6,725 | 1972 |
| State Route 29 over Hill Road | Good | 98.1 ft | 6,725 | 1972 |
| State Route 29 over Hill Road | Good | 102.0 ft | 6,725 | 1972 |
| State Route 20 over North Fork Cache Creek | Good | 591.5 ft | 6,300 | 1989 |
| State Route 175 over Putah Creek | Good | 128.9 ft | 3,150 | 1964 |
| State Route 175 over Kelsey Creek | Good | 29.9 ft | 2,900 | 2023 |
| State Route 29 over Lucerne Cut-off | Good | 102.7 ft | 2,850 | 1972 |
| Soda Bay RD over Cole Creek | Good | 49.9 ft | 2,060 | 2015 |
| Harbin Springs RD over Harbin Creek | Good | 45.6 ft | 690 | 2018 |
| Old State Highway over Burns Valley Creek | Good | 21.7 ft | 640 | 1999 |
| First Street over Clover Creek | Good | 39.0 ft | 400 | 1930 |
| Island DR over Clearlake Oaks Channel | Good | 25.9 ft | 390 | 1985 |
| Pitney LN over Alley Creek | Good | 67.6 ft | 321 | 1958 |
| Road M1 over Salmon Creek | Good | 106.6 ft | 318 | 1976 |
| Road M01 over Smokehouse Crk | Good | 106.6 ft | 313 | 1976 |
| Mathews Road over Manning Creek | Good | 73.5 ft | 310 | 2017 |
| Ackley RD over Manning Creek | Good | 41.0 ft | 250 | 2015 |
| Harbin Springs RD over Harbin Creek | Good | 22.3 ft | 152 | 1930 |
| Clayton Creek RD over Clayton Creek | Good | 47.6 ft | 130 | 2021 |
| Bridge Arbor N RD over Clover Creek | Good | 44.9 ft | 80 | 1931 |
| Perini Road over Seigler Canyon Creek | Good | 30.8 ft | 75 | 2007 |
| Highland Spring RD over Highland Creek | Good | 45.6 ft | 52 | 2015 |
| Hilderbrand DR over Saint Helena Creek | Good | 100.1 ft | 50 | 2014 |
| Road over Trout Creek | Good | 24.0 ft | 50 | 2016 |
| Mockingbird Lane over Robinson Creek | Good | 45.3 ft | 46 | 2018 |
| Foard RD over Anderson Creek | Good | 45.6 ft | 30 | 2017 |
| Road 16n30 over Alley Creek | Good | 42.7 ft | 25 | 1972 |
| Dry Creek RD over Dry Creek | Good | 65.9 ft | 20 | 2017 |
| Road M10 over Bear Creek | Good | 53.5 ft | 20 | 1973 |
| Parnum Road (us20 over North Fork Cache Creek | Good | 103.7 ft | 1 | 2021 |