| US 97 over SR 155 | Poor | 58.1 ft | 8,828 | 1964 |
| US 97 over Watson Draw | Poor | 100.1 ft | 5,644 | 1965 |
| SR 20 over Methow River | Poor | 335.3 ft | 4,683 | 1929 |
| SR 20 over Chewuch River | Poor | 125.0 ft | 3,696 | 1961 |
| SR 153 over Methow River | Poor | 476.0 ft | 1,847 | 1939 |
| SR 153 over Methow River | Poor | 415.0 ft | 1,847 | 1939 |
| SR 153 over Methow River | Poor | 350.1 ft | 1,847 | 1939 |
| SR 153 over Methow River | Poor | 301.8 ft | 1,847 | 1939 |
| SR 20 over Early Winters Creek | Poor | 97.1 ft | 1,280 | 1964 |
| Fas Route A240 over Twisp River | Poor | 107.9 ft | 770 | 1949 |
| Lost River RD over Lost River | Poor | 89.9 ft | 95 | 1950 |
| County Road 1600 over Beaver Creek | Poor | 24.0 ft | 43 | 1957 |
| US 97 over Okanogan River | Fair | 418.0 ft | 8,828 | 1964 |
| SR 155 Spur over Okanogan River | Fair | 410.1 ft | 5,987 | 1923 |
| US 97 over Methow River | Fair | 467.8 ft | 5,564 | 1966 |
| SR 215 over Salmon CR | Fair | 59.1 ft | 5,294 | 1950 |
| US 97 over Okanogan R & Rr | Fair | 659.1 ft | 4,734 | 1957 |
| US 97 over Okanogan River | Fair | 458.0 ft | 4,504 | 1950 |
| US 97 over Okanogan River | Fair | 381.9 ft | 3,349 | 1951 |
| Fas Route P240 over Okanogan River | Fair | 309.1 ft | 3,056 | 1999 |
| SR 20 over Okanogan River | Fair | 368.1 ft | 2,479 | 1959 |
| SR 20 over Railroad | Fair | 165.0 ft | 2,479 | 1959 |
| SR 155 over Omak CR | Fair | 95.1 ft | 2,399 | 1967 |
| SR 153 over Methow River | Fair | 292.0 ft | 1,847 | 1933 |
| SR 153 over Black Canyon Creek | Fair | 98.1 ft | 1,847 | 1949 |
| SR 153 over Methow River | Fair | 424.9 ft | 1,847 | 1950 |
| SR 20 over Bonaparte Creek | Fair | 118.1 ft | 1,755 | 1933 |
| SR 153 over Methow River | Fair | 438.0 ft | 1,578 | 1935 |
| SR 153 over Methow River | Fair | 301.8 ft | 1,578 | 1939 |
| SR 153 over Methow River | Fair | 454.1 ft | 1,578 | 1939 |
| Fas Route Z240 over Okanogan River | Fair | 180.1 ft | 1,527 | 1971 |
| SR 20 over Methow River | Fair | 409.1 ft | 1,478 | 1984 |
| County Road 9155 over Chiliwist Creek | Fair | 23.3 ft | 1,415 | 1944 |
| Lost River RD over Methow River | Fair | 214.2 ft | 1,057 | 1972 |
| Fas Route U243 over Similkameen River | Fair | 365.5 ft | 985 | 1950 |
| Fas Route T242 over Okanogan River | Fair | 338.9 ft | 894 | 1961 |
| Fas Route F241 over Salmon Creek | Fair | 60.0 ft | 867 | 1949 |
| Monse Bridge RD over Okanogan River | Fair | 560.0 ft | 781 | 1967 |
| SR 213 over Okanogan River | Fair | 317.9 ft | 773 | 1962 |
| Wolf Creek RD over Wolf Creek | Fair | 29.9 ft | 702 | 1963 |
| Tunk Valley RD over Okanogan River | Fair | 330.1 ft | 650 | 1969 |
| Mill Street over Salmon Creek | Fair | 49.9 ft | 450 | 2006 |
| County Road 9221 over Salmon Creek | Fair | 22.6 ft | 427 | 1949 |
| Lost River RD over Gate Creek | Fair | 32.2 ft | 395 | 1971 |
| Fas Route L242 over Goat Creek | Fair | 29.9 ft | 338 | 1971 |
| Lake Street over Salmon Creek | Fair | 24.0 ft | 260 | 1973 |
| First Avenue over Salmon Creek | Fair | 38.1 ft | 260 | 1970 |
| Fifth Avenue over Salmon Creek | Fair | 38.1 ft | 260 | 1970 |
| IRR BIA RTE 1167 over Nespelem River | Fair | 105.0 ft | 250 | 1957 |
| County Road 2361 over Salmon Creek | Fair | 38.1 ft | 199 | 1976 |
| Fas Route K241 over Chewuch River | Fair | 120.1 ft | 173 | 1953 |
| Salmon/boulder RD over North Fork Boulder Creek | Fair | 100.1 ft | 158 | 1949 |
| Harts Pass Road over Robinson Creek | Fair | 66.9 ft | 112 | 1955 |
| Bonaparte Ave. over Bonaparte Creek | Fair | 24.0 ft | 100 | 1972 |
| Fas Route V242 over Sinlahekin Creek | Fair | 61.4 ft | 93 | 1966 |
| Ocr 3683 over Mill Creek | Fair | 25.9 ft | 92 | 1958 |
| Salmon Meadows RD over N.fork Salmon Creek | Fair | 65.0 ft | 76 | 1949 |
| County Road 3797 over Tunk Creek | Fair | 32.2 ft | 76 | 1973 |
| IRR BIA RTE 64 over West Fork San Poil River | Fair | 51.8 ft | 75 | 1962 |
| County Road 2017 over W.fork Salmon Creek | Fair | 69.9 ft | 72 | 1949 |
| County Road 4015 over Sinlahekin Creek | Fair | 30.2 ft | 56 | 1973 |
| Cecil Creek RD over Sinlahekin Creek | Fair | 34.4 ft | 54 | 1975 |
| Fas Route 9221 over County Road 9221 | Fair | 22.0 ft | 53 | 1969 |
| County Road 1090 over Twisp River | Fair | 102.4 ft | 52 | 1959 |
| County Road 9455 over Lost Creek | Fair | 42.7 ft | 52 | 1958 |
| IRR BIA RTE 66 over Looney Creek | Fair | 50.2 ft | 50 | 2001 |
| IRR Route 116 over Stepstone Creek | Fair | 27.9 ft | 50 | 1998 |
| No Data Entered over North Fork Toats Coulee | Fair | 22.0 ft | 50 | 1973 |
| Black Canyon Road over Black Canyon Creek | Fair | 30.2 ft | 50 | 1965 |
| No Data Entered over Andrews Creek | Fair | 165.0 ft | 50 | 2006 |
| Broadway Street over North Fork Salmon Creek | Fair | 25.9 ft | 50 | 1982 |
| Ocr 3683 over Smith Creek | Fair | 25.9 ft | 39 | 1958 |
| Foggy Dew RD over North Fk Gold Creek | Fair | 89.9 ft | 37 | 1949 |
| Mid Salmon/boulder over N. Fk Boulder CR | Fair | 41.0 ft | 35 | 1960 |
| County Road 4723 over Nine Mile Creek | Fair | 24.0 ft | 34 | 1980 |
| IRR BIA RTE 56 over North Star Creek | Fair | 27.2 ft | 25 | 1962 |
| IRR BIA RTE 6 over Gold Creek | Fair | 27.2 ft | 25 | 1962 |
| IRR BIA RTE 62 over Gold Creek | Fair | 27.2 ft | 25 | 1962 |
| Dugout Mtn RD over Lost Creek | Fair | 35.4 ft | 25 | 1981 |
| Chewack RD over Lake Creek | Fair | 49.5 ft | 24 | 1956 |
| IRR BIA RTE 74 over Little Nespelem River | Fair | 26.9 ft | 20 | 1994 |
| County Road 9221 over Salmon Creek | Fair | 25.9 ft | 20 | 1969 |
| Salmon CR RD over Salmon Creek | Fair | 24.0 ft | 20 | 1969 |
| County Road 4087 over Palmer Creek | Fair | 78.7 ft | 19 | 1980 |
| Buttermilk Butte over East Fork Buttermilk CR | Fair | 42.0 ft | 15 | 1992 |
| IRR BIA RTE 74 over Little Nespelem River | Fair | 27.9 ft | 10 | 1994 |
| US 97 over Gn Rr-county Road | Good | 275.9 ft | 7,453 | 1964 |
| US 97 over Bonaparte CR | Good | 80.1 ft | 5,771 | 1957 |
| SR 20 over H W Channel Methow R | Good | 59.1 ft | 4,775 | 1945 |
| SR 20 over H W Channel Methow R | Good | 59.1 ft | 4,775 | 1946 |
| SR 20 over Methow River | Good | 360.9 ft | 4,549 | 2002 |
| SR 20 over Twisp R | Good | 198.2 ft | 4,361 | 2000 |
| US 97 over Siwash Creek | Good | 51.8 ft | 4,282 | 1948 |
| Oak Street over Okanogan River | Good | 339.9 ft | 4,100 | 2003 |
| US 97 over Dan Creek | Good | 22.0 ft | 3,479 | 1900 |
| SR 153 over Beaver Creek | Good | 36.1 ft | 2,313 | 2001 |
| SR 20 over Bonaparte CR | Good | 66.9 ft | 1,755 | 2000 |
| SR 20 over Beaver Creek | Good | 28.5 ft | 1,388 | 2006 |
| SR 20 over Bonaparte Creek | Good | 55.8 ft | 1,358 | 2001 |
| Ocr 3735 over Omak Creek | Good | 49.9 ft | 1,339 | 1968 |
| SR 20 over Early Winters Creek | Good | 65.9 ft | 1,280 | 1968 |
| SR 20 over Early Winters Creek | Good | 220.1 ft | 1,280 | 1968 |
| SR 20 over Little Boulder Creek | Good | 28.9 ft | 1,280 | 2005 |
| SR 20 over Cutthroat Creek | Good | 65.0 ft | 1,081 | 1968 |
| Columbia River RD over Omak Creek | Good | 48.9 ft | 553 | 2006 |
| Kendell Street over Johnson Creek | Good | 25.9 ft | 521 | 1976 |
| Ocr 3358 over Omak Creek | Good | 49.9 ft | 463 | 1973 |
| Salmon Creek RD over Salmon Creek | Good | 35.4 ft | 427 | 2022 |
| County Road 4719 over Nine Mile Creek | Good | 27.9 ft | 352 | 1980 |
| Twisp River Road over Little Bridge Creek | Good | 40.4 ft | 321 | 2008 |
| Salmon Creek RD over Salmon Creek | Good | 67.9 ft | 274 | 2020 |
| Greenacres RD over Johnson Creek | Good | 20.7 ft | 265 | 2023 |
| Buffalo Lake RD over Little Nespelem River | Good | 63.0 ft | 244 | 2014 |
| Chewuck Road over Falls Creek | Good | 55.1 ft | 196 | 1949 |
| Chewuck Road over Eightmile Creek | Good | 80.1 ft | 196 | 1949 |
| Meadows/toats RD over Toats Coulee Creek | Good | 80.1 ft | 153 | 1949 |
| Meadows/toats RD over Toats Coulee Creek | Good | 64.0 ft | 153 | 1949 |
| Fas Route W240 over Similkameen River | Good | 306.1 ft | 122 | 1973 |
| Eightmile Road over Eightmile Creek | Good | 122.0 ft | 97 | 1949 |
| County Road 1029 over Gold Creek | Good | 29.9 ft | 90 | 1972 |
| Salmon Meadows RD over N. Fk Salmon Creek | Good | 80.1 ft | 76 | 1949 |
| No Data Entered over Middle Fork Toats Coulee | Good | 29.5 ft | 75 | 2011 |
| County Road 1090 over Butter Milk Creek | Good | 65.9 ft | 70 | 1960 |
| County Road 1089 over Twisp River | Good | 120.1 ft | 65 | 1960 |
| Cub/goat CR RD over Goat Creek | Good | 90.6 ft | 63 | 1957 |
| Hatchery Entrance over Foghorn Irrigation Canal | Good | 28.9 ft | 60 | 2012 |
| S. Fk. Gold CR over Gold Creek | Good | 115.2 ft | 60 | 1949 |
| Ray Road over N. Fk Salmon CR | Good | 80.1 ft | 53 | 1965 |
| Ocr 3683 over Nespelem River | Good | 70.9 ft | 51 | 2022 |
| No Data Entered over Lower Libby Creek | Good | 34.4 ft | 50 | 2004 |
| No Data Entered over War Creek | Good | 71.9 ft | 50 | 2005 |
| No Data Entered over Cub Creek | Good | 26.9 ft | 50 | 2009 |
| Silver ST over North Fork Salmon CR | Good | 28.5 ft | 50 | 1997 |
| Ocr 3683 over Nespelem River | Good | 69.9 ft | 44 | 2017 |
| Ocr 3586 over Little Nespelem River | Good | 67.9 ft | 42 | 2017 |
| Eightmile Road over Eightmile Creek | Good | 39.4 ft | 40 | 1955 |
| Sinlahekin RD over Blue Lake Outlet | Good | 20.7 ft | 36 | 2018 |
| No Data Entered over Reynolds Creek | Good | 31.2 ft | 35 | 2008 |
| County Road 1637 over Beaver Creek | Good | 71.9 ft | 35 | 1962 |
| Conconogan Road over West Fork Salmon Creek | Good | 56.1 ft | 30 | 2018 |
| W. Twisp River RD over Twisp River | Good | 120.1 ft | 30 | 1958 |
| Bumblebee RD over Gold Creek | Good | 89.9 ft | 30 | 1967 |
| No Data Entered over S. Fork Gold Creek | Good | 25.6 ft | 30 | 2006 |
| No Data Entered over Rainy Creek | Good | 28.2 ft | 30 | 2006 |
| Burma RD over Methow River | Good | 211.9 ft | 27 | 1990 |
| Ortell Road over Eightmile Creek | Good | 57.1 ft | 25 | 1955 |
| Falls Creek Road over Falls Creek | Good | 43.6 ft | 25 | 1950 |
| E. Side Chewuch over Chewuch River | Good | 137.1 ft | 24 | 1950 |
| Knox Road 3817 over Tunk Creek | Good | 29.9 ft | 22 | 1976 |
| Reynolds RD over Twisp River | Good | 100.1 ft | 21 | 1961 |
| County Road 1075 over Twisp River | Good | 78.1 ft | 21 | 1974 |
| Klipchuck Road over Early Winter Creek | Good | 100.1 ft | 15 | 1972 |
| No Data Entered over Upper S Fk Gold Creek | Good | 25.6 ft | 10 | 2009 |
| No Data Entered over Little Bridge Creek | Good | 28.2 ft | 10 | 2001 |
| 4415030 over Little Bridge Creek | Good | 40.4 ft | 10 | 2001 |
| No Data Entered over East Fork Buttermilk | Good | 24.0 ft | 10 | 2001 |
| No Data Entered over Ben Creek Over Libby Cre | Good | 40.0 ft | 5 | 2004 |
| Fsr 5400700 over Slate Creek | Good | 40.0 ft | 5 | 2009 |
| Ed Figlinski RD over Tunk Creek | Good | 24.9 ft | 5 | 1976 |
| Pelican Creek RD over North Fork Salmon CR | Good | 60.0 ft | 2 | 1964 |
| Loup Loup Canyon R over Loup Loup Creek | Good | 51.8 ft | 1 | 2014 |