| N State ST over York Creek | Poor | 92.5 ft | 7,012 | 1980 |
| U.s. Highway 101 over Long Valley Creek | Poor | 99.1 ft | 6,750 | 1960 |
| U.s. Highway 101 over Long Valley Creek | Poor | 293.0 ft | 6,700 | 1957 |
| North Bush Street over Orrs Creek | Poor | 62.0 ft | 4,692 | 1972 |
| State Route 1 over Salmon Creek | Poor | 685.0 ft | 3,100 | 1950 |
| Moore AVE over West Branch Russian Riv | Poor | 367.1 ft | 2,776 | 1958 |
| E Side Potter Vly over East Fork Russian River | Poor | 184.1 ft | 2,352 | 1973 |
| State Route 1 over Albion River | Poor | 969.2 ft | 2,100 | 1944 |
| State Route 162 over Outlet Creek | Poor | 293.3 ft | 860 | 1958 |
| Gibson Lane over East Fork Russian River | Poor | 109.9 ft | 561 | 1955 |
| Philo Greenwood RD over Navarro River | Poor | 352.0 ft | 418 | 1949 |
| Lambert Lane over Robinson Creek | Poor | 28.9 ft | 379 | 1954 |
| Mountain View RD over Rancheria Creek | Poor | 128.9 ft | 195 | 1935 |
| State Park Road over Little River | Poor | 38.1 ft | 150 | 1951 |
| Sherwood RD over Sherwood Creek | Poor | 58.1 ft | 137 | 1979 |
| Orr Springs RD over South Fork Big River | Poor | 83.0 ft | 134 | 1955 |
| Reeves Canyon Road over Mill Creek | Poor | 51.8 ft | 105 | 1981 |
| Gualala Road over North Fork Gualala River | Poor | 187.0 ft | 97 | 1940 |
| Hill Road over Mill Creek | Poor | 123.0 ft | 78 | 1925 |
| Road M1 over Black Butte River | Poor | 310.0 ft | 50 | 1986 |
| Low Gap Road over Masonite Industrial Road | Poor | 100.1 ft | 25 | 1960 |
| Forest Road 330 over Parlin Creek | Poor | 49.2 ft | 25 | 2005 |
| Reynolds Highway over Outlet Creek | Poor | 194.2 ft | 19 | 1955 |
| Forest Road 400 over Bunker Gulch | Poor | 32.2 ft | 10 | 1992 |
| Forest Road 452 over Hare Creek | Poor | 52.8 ft | 10 | 1997 |
| Camp 1 Ten Mile RD over South Fork Tenmile River | Poor | 54.1 ft | 2 | 1965 |
| Forest Road 610 over South Fork Caspar Creek | Poor | 42.3 ft | 2 | 1965 |
| North State ST over Forsythe Creek | Fair | 265.1 ft | 20,200 | 1949 |
| U.s. Highway 101 over Ncrra/nwp Rr | Fair | 158.1 ft | 19,000 | 1957 |
| U.s. Highway 101 over Forsythe Creek | Fair | 237.9 ft | 19,000 | 1990 |
| N State ST over Orrs Creek | Fair | 44.0 ft | 18,278 | 1926 |
| East Perkins ST over U.s. Highway 101 | Fair | 232.9 ft | 17,350 | 1964 |
| US Highway 101 over East Hill Road | Fair | 150.9 ft | 16,000 | 2016 |
| N State ST over Ackerman Creek | Fair | 147.6 ft | 15,534 | 1965 |
| N State ST over Hensley Creek | Fair | 89.9 ft | 15,190 | 1973 |
| Rg State Park Road over Russian Gulch | Fair | 31.2 ft | 15,000 | 1953 |
| U.s. Highway 101 over Feliz Creek | Fair | 343.8 ft | 13,800 | 1934 |
| U.s. Highway 101 over Mcnab Creek | Fair | 87.9 ft | 13,800 | 1942 |
| U.s. Highway 101 over Ncrra/nwp Rr | Fair | 311.0 ft | 13,800 | 1966 |
| U.s. Highway 101 over Russian River | Fair | 1137.1 ft | 13,800 | 1934 |
| State Route 101 over Ncrra/nwp Rr | Fair | 105.0 ft | 13,500 | 1969 |
| U.s. Highway 101 over Pieta Creek | Fair | 127.0 ft | 13,300 | 2003 |
| U.s. Highway 101 over Russian Ncra/nwp Geysers | Fair | 703.1 ft | 13,300 | 1989 |
| US Highway 101 SB over Pomo Lane | Fair | 107.9 ft | 12,300 | 1962 |
| US Highway 101 NB over Pomo Lane | Fair | 107.9 ft | 12,300 | 1962 |
| US Highway 101 SB over Lake Mendocino DR | Fair | 103.0 ft | 12,300 | 1962 |
| US Highway 101 NB over Lake Mendocino DR | Fair | 103.0 ft | 12,300 | 1962 |
| US Highway 101 SB over York Creek | Fair | 129.9 ft | 12,300 | 1962 |
| US Highway 101 NB over York Creek | Fair | 129.9 ft | 12,300 | 1962 |
| US Highway 101 SB over Moore Street | Fair | 107.9 ft | 12,300 | 1962 |
| US Highway 101 NB over Moore Street | Fair | 107.9 ft | 12,300 | 1962 |
| US Highway 101 SB over ST RTE 20 (@ Pm 33.22) | Fair | 171.9 ft | 12,300 | 1962 |
| US Highway 101 NB over ST RTE 20 (@ Pm 33.22) | Fair | 171.9 ft | 12,300 | 1962 |
| State Route 20 over East Fork Russian River | Fair | 609.9 ft | 11,350 | 1958 |
| US Highway 101 SB over Ncra/nwp Rr & Norgard LN | Fair | 324.1 ft | 10,450 | 1964 |
| US Highway 101 NB over Ncra/nwp Rr & Norgard LN | Fair | 324.1 ft | 10,450 | 1964 |
| US Highway 101 NB over Gibson Creek | Fair | 28.2 ft | 10,450 | 1964 |
| US Highway 101 SB over Orrs Creek | Fair | 70.9 ft | 10,450 | 1964 |
| US Highway 101 NB over Orrs Creek | Fair | 70.9 ft | 10,450 | 1964 |
| State Route 20 over Cold Creek | Fair | 152.9 ft | 10,400 | 1967 |
| State Route 20 over Cold Creek | Fair | 37.4 ft | 10,400 | 1965 |
| State Route 1 over Jug Handle Creek | Fair | 388.1 ft | 10,350 | 1938 |
| State Route 1 over Jack Peters Creek | Fair | 223.1 ft | 9,900 | 1939 |
| State Route 1 over Russian Gulch | Fair | 526.9 ft | 9,900 | 1939 |
| SR 222 (talmadge) over U.s. 101 (@ Pm R23.45) | Fair | 232.0 ft | 8,000 | 1964 |
| U.s. Highway 101 over Robinson Creek | Fair | 175.9 ft | 7,350 | 1940 |
| US Highway 101 NB over Robinson Creek | Fair | 146.0 ft | 7,350 | 1963 |
| U.s. Highway 101 over Outlet Creek | Fair | 366.1 ft | 6,950 | 1979 |
| U.s. Highway 101 over Ten Mile Creek | Fair | 23.0 ft | 6,750 | 1953 |
| U.s. Highway 101 over Long Valley Creek | Fair | 175.9 ft | 6,700 | 1959 |
| U.s. Highway 101 over Outlet Crk & Ncra/nwp Rr | Fair | 543.0 ft | 6,700 | 1957 |
| State Route 1 over Big River | Fair | 508.9 ft | 6,300 | 1961 |
| U.s. Highway 101 over Rattlesnake Creek | Fair | 24.0 ft | 6,200 | 1931 |
| U.s. Highway 101 over Rattlesnake Creek | Fair | 44.0 ft | 6,200 | 1952 |
| U.s. Highway 101 over SR 271 (@ Pm 3.38) | Fair | 53.1 ft | 6,150 | 1967 |
| U.s. Highway 101 over SR 271 (@ Pm 0.02) | Fair | 96.1 ft | 6,150 | 1967 |
| U.s. Highway 101 over Bridges Creek | Fair | 145.0 ft | 6,100 | 1980 |
| U.s. Highway 101 over Red Mountain Creek | Fair | 26.9 ft | 6,100 | 1955 |
| U.s. Highway 101 over Jitney Gulch | Fair | 245.1 ft | 6,100 | 1965 |
| U.s. Highway 101 over ST RTE 271 (@ Pm 19.46) | Fair | 110.9 ft | 6,100 | 1970 |
| U.s. Highway 101 over South Fork Eel River | Fair | 1576.1 ft | 6,100 | 1974 |
| U.s. Highway 101 over Rock Creek | Fair | 294.0 ft | 6,100 | 2000 |
| U.s. Highway 101 over Cedar Creek | Fair | 35.1 ft | 6,100 | 1969 |
| U.s. Highway 101 over Marion Lane | Fair | 87.9 ft | 6,100 | 1970 |
| U.s. Highway 101 over Standley CR RD (private) | Fair | 106.0 ft | 6,100 | 1974 |
| U.s. Highway 101 over Bear Pen RD (private) | Fair | 99.7 ft | 6,100 | 1976 |
| U.s. Highway 101 over Dora Creek | Fair | 61.0 ft | 6,100 | 1985 |
| U.s. Highway 101 over South Fork Eel River | Fair | 1355.0 ft | 6,100 | 2009 |
| Vichy Springs RD over Russian River | Fair | 326.1 ft | 5,718 | 1986 |
| State Route 20 over Broaddus Creek | Fair | 128.9 ft | 5,450 | 1966 |
| State Route 128 over Anderson Creek | Fair | 134.5 ft | 5,200 | 2005 |
| State Route 175 over Dooley Creek | Fair | 111.9 ft | 4,800 | 1946 |
| West Road over U.s. Highway 101 | Fair | 167.0 ft | 4,725 | 1990 |
| State Route 1 over Little River | Fair | 68.9 ft | 4,550 | 1955 |
| East Road over Salt Hollow Creek | Fair | 27.2 ft | 4,439 | 1940 |
| State Route 128 over Indian Creek | Fair | 208.0 ft | 4,150 | 1953 |
| E Side Potter Vly over East Fork Russian River | Fair | 464.6 ft | 3,699 | 1999 |
| State Route 128 over North Fork Navarro River | Fair | 228.0 ft | 3,300 | 1953 |
| Orr Springs RD over Ackerman Creek | Fair | 82.3 ft | 3,101 | 1956 |
| IRR BIA RTE 167 over Cahto Creek | Fair | 83.0 ft | 3,000 | 1978 |
| State Route 253 over U.s. 101 (@ Pm R21.59) | Fair | 225.1 ft | 2,700 | 1964 |
| State Route 20 over Chamberlain Creek | Fair | 82.0 ft | 2,600 | 1948 |
| Lake Mendocino DR over Russian River | Fair | 259.8 ft | 2,514 | 1987 |
| State Route 128 over Dry Creek | Fair | 120.4 ft | 2,300 | 2005 |
| State Route 253 over Anderson Creek | Fair | 127.0 ft | 2,300 | 1965 |
| State Route 253 over Soda Creek | Fair | 21.7 ft | 2,300 | 1925 |
| State Route 253 over Robinson Creek | Fair | 134.8 ft | 2,300 | 1962 |
| IRR Branscomb RD over Tenmile Creek | Fair | 115.2 ft | 2,216 | 1952 |
| State Route 162 over Short Creek | Fair | 101.0 ft | 2,200 | 1962 |
| State Route 128 over Beebe Creek | Fair | 49.9 ft | 2,050 | 1931 |
| State Route 128 over Maple Creek | Fair | 61.4 ft | 2,050 | 1939 |
| State Route 128 over Ornbaun Creek | Fair | 83.0 ft | 2,050 | 1939 |
| North State ST over State Route 20 | Fair | 158.1 ft | 1,943 | 1962 |
| North State ST over W20-n101 Connector Ramp | Fair | 175.9 ft | 1,943 | 1962 |
| E Side Potter Vly over Burright Creek | Fair | 66.9 ft | 1,821 | 1935 |
| Ford ST over Orrs Creek | Fair | 44.9 ft | 1,751 | 1977 |
| Hearst-willits RD over Davis Creek | Fair | 45.9 ft | 1,648 | 1950 |
| Oak ST over Orrs Creek | Fair | 50.5 ft | 1,599 | 1955 |
| East Hill RD over Haehl Creek | Fair | 83.0 ft | 1,438 | 1980 |
| Hearst-willits RD over Haehl Creek | Fair | 46.9 ft | 1,375 | 1952 |
| Comptche-ukiah RD over North Fork Albion River | Fair | 122.0 ft | 1,316 | 1965 |
| Mountain House RD over Feliz Creek | Fair | 279.9 ft | 1,272 | 1991 |
| Mountain House RD over Cummiskey Creek | Fair | 64.3 ft | 1,252 | 1913 |
| State Route 1 over Hillside | Fair | 178.1 ft | 1,185 | 1985 |
| Center Valley RD over Haehl Creek | Fair | 37.1 ft | 1,166 | 1953 |
| State Route 1 over Elk Creek | Fair | 122.0 ft | 1,100 | 1938 |
| Orr Springs RD over South Fork Big River | Fair | 54.8 ft | 1,002 | 1959 |
| Treatment Plant RD over U.s. Highway 101 | Fair | 155.8 ft | 1,000 | 1964 |
| E Commercial ST over Broaddus Creek | Fair | 78.1 ft | 1,000 | 1966 |
| E Valley ST over Broaddus Creek | Fair | 75.1 ft | 1,000 | 1993 |
| Mill Creek DR over Mill Creek | Fair | 37.1 ft | 1,000 | 1980 |
| IRR East Lane over Mill Creek | Fair | 183.1 ft | 889 | 1989 |
| State Route 162 over Corral Creek | Fair | 20.0 ft | 860 | 1959 |
| State Route 162 over Bloody Run Creek | Fair | 193.6 ft | 860 | 1959 |
| State Route 162 over Rodeo Creek | Fair | 41.0 ft | 860 | 1940 |
| State Route 162 over Long Valley Creek | Fair | 210.0 ft | 860 | 1995 |
| Clover RD over Willits Creek | Fair | 50.5 ft | 850 | 1967 |
| East RD over West Branch Russian Riv | Fair | 124.0 ft | 846 | 1990 |
| State Route 1 over Blue Slide Gulch | Fair | 143.0 ft | 830 | 1946 |
| State Route 271 over U.s. 101 (@ Pm R101.90) | Fair | 154.9 ft | 810 | 1976 |
| State Route 1 over Dunn Creek | Fair | 135.5 ft | 810 | 2014 |
| Mendocino Pass RD over Middle Fork Eel River | Fair | 415.0 ft | 779 | 1983 |
| Old River Road over Crawford Creek | Fair | 27.2 ft | 777 | 1948 |
| Sanford Ranch Road over Mc Clure Creek | Fair | 30.5 ft | 777 | 1955 |
| State Route 271 over U.s. 101 (@ Pm R89.56) | Fair | 166.0 ft | 750 | 1970 |
| State Route 1 over South Fork Eel River | Fair | 357.9 ft | 700 | 1944 |
| Geysers Rd/cr 101a over Ash Creek | Fair | 177.8 ft | 650 | 1932 |
| Sherwood Road over Dutch Henry Creek | Fair | 102.0 ft | 648 | 1985 |
| Ruddck-cunninhm RD over Hildreth Creek | Fair | 23.0 ft | 619 | 1955 |
| Parducci Road over U.s. Highway 101 | Fair | 204.7 ft | 610 | 1962 |
| Primrose DR over Willits Creek | Fair | 50.9 ft | 545 | 1967 |
| Poppy DR over Willits Creek | Fair | 25.9 ft | 545 | 1977 |
| Old River Road over Parsons Creek | Fair | 40.0 ft | 515 | 1948 |
| Tomki RD over Rocky Creek | Fair | 29.9 ft | 512 | 1933 |
| Canyon RD over Berry Creek | Fair | 43.0 ft | 501 | 1966 |
| Branscomb RD over Cahto Creek | Fair | 29.9 ft | 478 | 1991 |
| Power House RD over Busch Creek | Fair | 63.0 ft | 440 | 1948 |
| Fish Rock RD over Rancheria Creek | Fair | 162.7 ft | 429 | 1978 |
| Navarro Ridge Road over Hay Creek | Fair | 43.0 ft | 417 | 1980 |
| Canyon RD over Berry Creek | Fair | 38.1 ft | 408 | 1960 |
| Branscomb RD over Windem Creek | Fair | 22.0 ft | 406 | 1950 |
| Road B over Salt Hollow Creek | Fair | 50.5 ft | 399 | 1967 |
| Tomki RD over Mossy Canyon Creek | Fair | 23.0 ft | 393 | 1960 |
| Hearst-willits RD over Haily Creek | Fair | 32.2 ft | 387 | 1980 |
| IRR Sherwood RD over Curley Cow Creek | Fair | 35.1 ft | 377 | 1988 |
| Steele RD over Tenmile Creek | Fair | 87.9 ft | 347 | 1980 |
| Eureka Hill Road over Garcia River | Fair | 323.8 ft | 330 | 1969 |
| El Roble Oc over U.s. Highway 101 | Fair | 170.9 ft | 325 | 1963 |
| Railroad Avenue over Baechtel Creek | Fair | 62.0 ft | 300 | 2011 |
| Eel River RD over Eel River | Fair | 569.9 ft | 279 | 1989 |
| Mendocino Pass RD over Williams Creek | Fair | 214.9 ft | 226 | 1983 |
| Dobie RD over Turner Creek | Fair | 28.2 ft | 210 | 1979 |
| Dobie RD over Turner Creek | Fair | 82.3 ft | 210 | 1979 |
| IRR East Lane over Short Creek | Fair | 128.9 ft | 210 | 1973 |
| Hearst-willits RD over String Creek | Fair | 44.0 ft | 208 | 1956 |
| Robinson Creek RD over Robinson Creek | Fair | 43.3 ft | 168 | 1956 |
| Robinson Creek RD over Robinson Creek | Fair | 41.7 ft | 168 | 1975 |
| IRR Frtbrg-srwd RD over Reservation Creek | Fair | 24.0 ft | 167 | 1985 |
| Fish Rock RD over Pardaloe Creek | Fair | 85.0 ft | 165 | 1960 |
| Elkhorn Road over Rancheria Creek | Fair | 65.0 ft | 165 | 1985 |
| Pine Avenue over Burright Creek | Fair | 54.8 ft | 165 | 1999 |
| State Route 271 over Big Dann Creek | Fair | 585.0 ft | 150 | 1933 |
| Dos Rios RD over Eel River & Ncrra (nwp) | Fair | 624.0 ft | 143 | 1966 |
| IRR Mina RD over North Fork Eel River | Fair | 339.9 ft | 143 | 1967 |
| Airport RD over Town Creek | Fair | 154.9 ft | 142 | 1994 |
| IRR Sherwood Road over Sherwood Creek | Fair | 47.9 ft | 139 | 1947 |
| Hutsell RD (cr123) over Robinson Creek | Fair | 50.5 ft | 139 | 1960 |
| Laytnvlle-dos Rios over Burger Creek | Fair | 230.6 ft | 137 | 1888 |
| Orr Springs RD over South Fork Big River | Fair | 63.3 ft | 134 | 1971 |
| Orr Springs RD over South Fork Big River | Fair | 41.7 ft | 134 | 1973 |
| Tomki RD over Tomki Creek | Fair | 173.9 ft | 130 | 1988 |
| Hibbard Road over Rancheria Creek | Fair | 90.6 ft | 126 | 1987 |
| Ft Brag-shrwd RD over Sherwood Creek | Fair | 50.9 ft | 126 | 1987 |
| Forest Road 320 over South Fork Noyo River | Fair | 64.0 ft | 125 | 1948 |
| Wilderness Ldge RD over South Fork Eel River | Fair | 178.1 ft | 114 | 1992 |
| Reeves Canyon Road over Mill Creek | Fair | 47.9 ft | 105 | 1980 |
| Reeves Canyon Road over Mill Creek | Fair | 62.0 ft | 105 | 1980 |
| Reeves Canyon Road over Mill Creek | Fair | 34.1 ft | 105 | 1980 |
| Wilderness Ldge RD over Dutch Charlie Creek | Fair | 41.0 ft | 104 | 1969 |
| Branscomb Road over Redwood Creek | Fair | 83.0 ft | 104 | 1981 |
| Sherwood RD over Sam Watt Creek | Fair | 44.3 ft | 103 | 1960 |
| Reeves Canyon Road over Mill Creek | Fair | 242.8 ft | 100 | 2012 |
| State Park Road over Little River | Fair | 65.3 ft | 100 | 1995 |
| State Route 271 over South Fork Eel River | Fair | 373.0 ft | 95 | 1917 |
| State Route 271 over Hillside Above River | Fair | 90.9 ft | 95 | 1947 |
| Old Sherwood RD over Long Valley Creek | Fair | 30.8 ft | 81 | 1989 |
| Forest Road 200 over West Chamberlain Creek | Fair | 26.9 ft | 75 | 1957 |
| Old Toll Rd/cr 108 over Coleman Creek | Fair | 36.4 ft | 72 | 1940 |
| Cemetery Lane over Grist Creek | Fair | 49.9 ft | 72 | 1960 |
| Ridgeway HWY Cr249 over Whitney Creek | Fair | 49.9 ft | 68 | 1960 |
| Hearst-willits RD over Eel River | Fair | 340.9 ft | 66 | 1957 |
| Hollands Lane over Branch Of Haehl Creek | Fair | 38.1 ft | 62 | 1925 |
| Old Toll Rd/cr 108 over Mc Dowell Creek | Fair | 50.2 ft | 60 | 1969 |
| Reeves Canyon Road over Mill Creek | Fair | 62.7 ft | 51 | 1999 |
| Forest Road 800 over North Fork Big River | Fair | 37.7 ft | 50 | 1958 |
| Forest Road 360 over South Fork Noyo River | Fair | 25.9 ft | 50 | 1987 |
| Forest Road 300 over Parlin Creek | Fair | 53.1 ft | 50 | 1958 |
| Forest Road 640 over North Fork Caspar Creek | Fair | 22.0 ft | 50 | 1994 |
| Jack Of Hearts Roa over Jack Of Hearts Creek | Fair | 56.1 ft | 50 | 1998 |
| Jack Of Hearts Roa over Dark Canyon Crk | Fair | 50.9 ft | 50 | 1985 |
| Rg State Park Road over Russian Gulch | Fair | 25.9 ft | 45 | 1960 |
| Robinson Creek RD over Robinson Creek | Fair | 164.0 ft | 40 | 2004 |
| Guntly RD (cr 260) over Cold Creek | Fair | 60.0 ft | 27 | 1922 |
| Briceland RD Cr435 over Mattole River | Fair | 50.9 ft | 26 | 1967 |
| Forest Road 100 over James Creek | Fair | 26.9 ft | 25 | 1980 |
| Forest Road 900 over James Creek | Fair | 20.7 ft | 25 | 1981 |
| Forest Road 900 over North Fork Big River | Fair | 28.9 ft | 25 | 1982 |
| State Park Road over Little River | Fair | 38.1 ft | 25 | 1951 |
| Usal Road over Usal Creek | Fair | 203.1 ft | 24 | 1955 |
| Hull Valley RD over Hulls Creek | Fair | 82.0 ft | 11 | 1994 |
| Forest Road 600 over Caspar Creek | Fair | 32.2 ft | 10 | 1972 |
| Road 20n05 over Eel River | Fair | 80.1 ft | 5 | 1981 |
| State Route 1 over Pudding Creek | Good | 321.2 ft | 23,950 | 1959 |
| State Route 001 over Noyo River & Harbor DR | Good | 875.0 ft | 23,950 | 2005 |
| U.s. Highway 101 over Austin Creek | Good | 26.9 ft | 20,900 | 1964 |
| U.s. Highway 101 over Baker Creek | Good | 25.3 ft | 19,000 | 1971 |
| State Route 20 over Baechtel Creek | Good | 71.2 ft | 18,350 | 1937 |
| E Gobbi ST over U.s. Highway 101 | Good | 233.9 ft | 18,100 | 1964 |
| US Highway 101 over Haehl Creek | Good | 160.8 ft | 18,000 | 2016 |
| US Highway 101 over Haehl Baechtl Cv RD C ST | Good | 6001.0 ft | 18,000 | 2016 |
| US Highway 101 over Railroad Tracks | Good | 124.7 ft | 18,000 | 2016 |
| US Highway 101 over Quail Meadows Road | Good | 121.4 ft | 18,000 | 2016 |
| US Highway 101 over Upp Creek | Good | 102.0 ft | 16,000 | 2016 |
| State Route 1 over Hare Creek | Good | 383.9 ft | 14,500 | 1947 |
| State Route 20 over Russian River Rr Calpell | Good | 861.9 ft | 14,400 | 2024 |
| U.s. Highway 101 over Rosetti Creek | Good | 34.1 ft | 13,800 | 1942 |
| U.s. Highway 101 over Crawford Creek | Good | 22.0 ft | 13,800 | 1942 |
| US Highway 101 SB over Ackerman Creek | Good | 182.1 ft | 13,750 | 1962 |
| US Highway 101 NB over Ackerman Creek | Good | 182.1 ft | 13,750 | 1962 |
| US Highway 101 SB over Hensley CR Hensley CR RD | Good | 204.1 ft | 13,750 | 1962 |
| US Highway 101 NB over Hensley CR Hensley CR RD | Good | 204.1 ft | 13,750 | 1962 |
| U.s. Highway 101 over Hillside Above River | Good | 352.4 ft | 13,300 | 1989 |
| US Highway 101 over Frog Woman Slide | Good | 520.0 ft | 13,300 | 1998 |
| US Highway 101 SB over Doolin Creek | Good | 26.6 ft | 10,450 | 1964 |
| US Highway 101 NB over Doolin Creek | Good | 26.6 ft | 10,450 | 1964 |
| US Highway 101 SB over Gibson Creek | Good | 28.2 ft | 10,450 | 1964 |
| US Highway 101 SB over Ncra/nwp Ford Masonite | Good | 429.8 ft | 10,450 | 1964 |
| US Highway 101 NB over Ncra/nwp Ford Masonite | Good | 430.1 ft | 10,450 | 1964 |
| US Highway 101 SB over North State Street | Good | 247.0 ft | 10,450 | 1964 |
| US 101 NB over North State Street | Good | 247.0 ft | 10,450 | 1964 |
| State Route 20 over Cold Creek | Good | 171.9 ft | 10,400 | 1967 |
| State Route 20 over Cold Creek | Good | 106.0 ft | 10,400 | 1967 |
| State Route 20 over Cold Creek | Good | 99.1 ft | 10,400 | 1967 |
| State Route 1 over Caspar Creek | Good | 861.9 ft | 9,900 | 1966 |
| North State ST over Masonite Haul Road | Good | 109.9 ft | 8,701 | 1949 |
| US Highway 101 S over Route 20 | Good | 154.2 ft | 8,000 | 2016 |
| US Highway 101 N over Route 20 | Good | 154.2 ft | 8,000 | 2016 |
| RTE 101s - RTE 20w over Haehl Creek | Good | 137.8 ft | 8,000 | 2016 |
| RTE 20e - RTE 101n over Haehl Creek | Good | 65.6 ft | 8,000 | 2016 |
| US Highway 101 over Haehl Creek | Good | 128.0 ft | 8,000 | 2016 |
| US Highway 101 over Haehl Creek | Good | 160.8 ft | 8,000 | 2016 |
| Route 101s Offramp over Upp Creek | Good | 78.7 ft | 8,000 | 2016 |
| Route 101n Onramp over Upp Creek | Good | 114.8 ft | 8,000 | 2016 |
| State Route 222 over Russian River | Good | 531.5 ft | 8,000 | 2011 |
| US Highway 101 over Upp Creek | Good | 75.5 ft | 8,000 | 2017 |
| South Main Street over Broaddus Creek | Good | 84.6 ft | 7,200 | 1926 |
| North Main Street over Willits Creek (mill Crk) | Good | 27.2 ft | 7,200 | 1923 |
| U.s. Highway 101 over Long Valley Creek | Good | 187.0 ft | 6,700 | 1960 |
| U.s. Highway 101 over Co RD South Fork Eel Riv | Good | 505.2 ft | 6,100 | 1970 |
| U.s. Highway 101 over South Fork Eel River | Good | 581.0 ft | 6,100 | 2009 |
| State Route 1 over Mill Creek | Good | 21.0 ft | 5,600 | 1993 |
| State Route 175 over Russian River | Good | 600.1 ft | 4,800 | 1940 |
| SR 175 WB over Hillside | Good | 189.0 ft | 4,800 | 1986 |
| State Route 1 SB over Oceanside Bluff | Good | 100.1 ft | 4,200 | 2003 |
| State Route 1 over Gualala River | Good | 584.0 ft | 4,200 | 1958 |
| S101-talmage RD over Doolin Creek | Good | 26.6 ft | 4,000 | 1964 |
| School Way over West Branch Russian Riv | Good | 230.0 ft | 3,521 | 2016 |
| State Route 128 over Mill Creek | Good | 150.9 ft | 3,300 | 1931 |
| State Route 128 over Flynn Creek | Good | 50.9 ft | 3,300 | 1955 |
| State Route 1 over Moat Creek | Good | 32.2 ft | 2,900 | 1939 |
| State Route 1 over Schooner Gulch | Good | 361.9 ft | 2,900 | 1941 |
| State Route 20 over Broaddus Creek | Good | 82.7 ft | 2,700 | 1991 |
| State Route 20 over Broaddus Creek | Good | 101.4 ft | 2,700 | 1991 |
| State Route 20 over James Creek | Good | 240.2 ft | 2,600 | 1962 |
| Orr Springs Road over U.s. Highway 101 | Good | 224.1 ft | 2,588 | 1962 |
| State Route 128 over Robinson Creek | Good | 35.1 ft | 2,300 | 1939 |
| State Route 162 over Town Creek | Good | 103.3 ft | 2,200 | 1983 |
| State Route 162 over Mill Creek | Good | 168.0 ft | 2,200 | 1958 |
| State Route 162 over Little Slough | Good | 50.2 ft | 2,200 | 1958 |
| State Route 162 over Grist Creek | Good | 75.1 ft | 2,200 | 1983 |
| State Route 1 over Garcia River | Good | 319.9 ft | 2,100 | 1938 |
| State Route 1 over Hathaway Creek | Good | 40.0 ft | 2,100 | 1995 |
| State Route 128 over Shearing Creek | Good | 54.1 ft | 2,050 | 1939 |
| East Hill Road over Davis Creek | Good | 184.4 ft | 2,000 | 2019 |
| Uva Drive over Forsythe Creek | Good | 214.9 ft | 1,830 | 1990 |
| State Route 1 over Brush Creek | Good | 134.8 ft | 1,800 | 1956 |
| State Route 1 over Alder Creek | Good | 124.0 ft | 1,800 | 1947 |
| State Route 1 over Ten Mile River | Good | 1479.7 ft | 1,500 | 2009 |
| Hawn Creek RD over Williams Creek | Good | 24.0 ft | 1,375 | 1930 |
| Main ST over East Fork Russian River | Good | 127.0 ft | 1,203 | 1928 |
| State Route 1 over Howard Creek | Good | 466.9 ft | 1,185 | 1972 |
| State Route 1 over Juan Creek | Good | 253.0 ft | 1,185 | 1961 |
| State Route 1 over Hardy Creek | Good | 51.8 ft | 1,185 | 1959 |
| State Route 1 over South Fork Cottoneva Crk | Good | 86.0 ft | 1,185 | 1958 |
| State Route 1 over Oceanside Bluff | Good | 196.9 ft | 1,185 | 1999 |
| Center Valley RD over Baechtel Creek | Good | 37.1 ft | 1,166 | 1953 |
| Old River Road over Morrison Creek | Good | 74.1 ft | 1,115 | 1996 |
| State Route 1 over Navarro River | Good | 478.0 ft | 1,100 | 1949 |
| State Route 1 over Greenwood Creek | Good | 512.1 ft | 1,100 | 2014 |
| State Route 162 over Eel River | Good | 319.9 ft | 860 | 1938 |
| State Route 162 over Middle Fork Eel River | Good | 490.5 ft | 860 | 1985 |
| State Route 1 over Wages Creek | Good | 89.9 ft | 830 | 1977 |
| State Route 1 over De Haven Creek | Good | 149.9 ft | 830 | 1964 |
| SR 001 over Westport North Sidehill | Good | 62.0 ft | 830 | 2018 |
| State Route 1 over Cottoneva Creek | Good | 86.9 ft | 810 | 1958 |
| Blosser Lane over Broaddus Creek | Good | 79.1 ft | 750 | 1989 |
| Sherwood RD Cr311 over Rowes Creek | Good | 100.1 ft | 721 | 2020 |
| Flynn Creek RD 135 over Marsh Creek | Good | 23.6 ft | 670 | 2007 |
| Flynn Creek RD 135 over Albion River | Good | 23.0 ft | 670 | 2008 |
| Ruddck-cunninhm RD over Howell Creek | Good | 52.8 ft | 619 | 1958 |
| Mountain View RD over Robinson Creek | Good | 89.9 ft | 575 | 1968 |
| Mountain House RD over Wilson Creek | Good | 26.6 ft | 572 | 1912 |
| Robinson Oc over U.s. Highway 101 | Good | 170.9 ft | 500 | 1963 |
| Muir Mill RD 301c over Baechtel Creek | Good | 69.9 ft | 311 | 2016 |
| Central AVE over U.s. Highway 101 | Good | 195.5 ft | 224 | 1962 |
| Frontage Road over Long Valley Creek | Good | 95.1 ft | 200 | 1960 |
| East Side Road over Berry Creek | Good | 82.3 ft | 182 | 1981 |
| State Route 271 over Cedar Creek | Good | 608.9 ft | 150 | 1933 |
| Route 271 over Mc Coy Creek | Good | 231.0 ft | 150 | 2019 |
| Ryan Creek Road over Ryan Creek | Good | 20.0 ft | 150 | 2011 |
| Orr Springs RD over South Fork Big River | Good | 106.3 ft | 134 | 1976 |
| Powerhouse RD 248a over Williams Creek | Good | 49.9 ft | 134 | 2020 |
| Reeves Canyon Road over Forsythe Creek | Good | 153.9 ft | 130 | 2018 |
| CR 110 over Feliz Creek | Good | 97.4 ft | 117 | 2013 |
| County RD 110 over Johnson Creek | Good | 83.0 ft | 114 | 1993 |
| Hearst-willits RD over Salt Creek | Good | 26.9 ft | 108 | 1970 |
| Rg State Park Road over Russian Gulch | Good | 26.2 ft | 105 | 1960 |
| Branscomb RD over South Fork Eel River | Good | 142.1 ft | 104 | 1961 |
| Branscomb RD over Redwood Creek | Good | 62.0 ft | 104 | 1967 |
| Branscomb Road over Kenny Creek | Good | 42.0 ft | 104 | 1957 |
| Forest Road 200 over Chamberlain Creek | Good | 31.5 ft | 75 | 1958 |
| Forest Road 200 over Park Gulch | Good | 34.1 ft | 75 | 1958 |
| Anderson Valley Hw over Con Creek | Good | 82.0 ft | 72 | 1938 |
| Forest Road 300 over North Fk Of Sout Fk Noyo | Good | 35.4 ft | 50 | 1958 |
| Forest Road 360 over North Fk Of S Fk Noyo | Good | 40.0 ft | 30 | 1958 |
| Masonite Road over U.s. Highway 101 | Good | 213.9 ft | 5 | 1962 |