| I-90 over BNSF Railroad | 1968 | 10,667 | Poor |
| I-90 over BNSF Railroad | 1968 | 10,667 | Poor |
| I-90 over Hills North Rd | 1958 | 10,614 | Fair |
| I-90 over Hills North Rd | 1958 | 10,614 | Fair |
| I-90 over SR 261 | 1958 | 8,405 | Poor |
| I-90 over SR 261 | 1952 | 8,405 | Fair |
| SR 26 over Cmstpp RR | 1956 | 7,360 | Fair |
| SR 26 over Potholes East Canal | 1955 | 7,360 | Fair |
| SR 26 over SR 24 | 1956 | 7,360 | Fair |
| SR 17 over SR 26 | 2001 | 7,264 | Fair |
| I-90 over Paha Coulee | 1959 | 6,150 | Good |
| I-90 over Moody Rd | 1972 | 6,042 | Good |
| I-90 over Moody Rd | 1972 | 6,042 | Good |
| I-90 over Batum Rd | 1972 | 6,018 | Good |
| I-90 over Batum Rd | 1972 | 6,018 | Good |
| I-90 over Damon Rd | 1972 | 6,018 | Fair |
| I-90 over Damon Rd | 1972 | 6,018 | Poor |
| I-90 over Wahl Rd | 1972 | 6,000 | Good |
| I-90 over Wahl Rd | 1972 | 6,000 | Poor |
| I-90 over Deal Rd | 1972 | 5,952 | Good |
| I-90 over Deal Rd | 1972 | 5,952 | Fair |
| I-90 over Farrier Coulee | 1972 | 5,952 | Good |
| I-90 over Farrier Coulee | 1972 | 5,952 | Good |
| I-90 over N Paha Packard Rd | 1972 | 5,950 | Poor |
| I-90 over N Paha Packard Rd | 1972 | 5,950 | Fair |
| I-90 over SR 21 | 1972 | 5,897 | Poor |
| I-90 over SR 21 | 1972 | 5,897 | Poor |
| I-90 over US 395 SB | 1996 | 5,868 | Fair |
| I-90 over US 395 SB | 1995 | 5,868 | Fair |
| SR 24 over Potholes East Canal | 1976 | 5,698 | Poor |
| SR 24 over Sagehill Wasteway | 1965 | 4,970 | Poor |
| US 395 over Paha-packard Rd | 1995 | 4,804 | Good |
| US 395 over Paha-packard Rd | 1995 | 4,804 | Fair |
| US 395 (SB Only) over Lind Coulee | 1956 | 4,494 | Good |
| US 395 NB over N-n Ramp | 1996 | 4,176 | Good |
| US 395 SB over N-n Ramp | 1996 | 4,176 | Fair |
| SR 26 over Lower Crab Creek | 1955 | 3,754 | Fair |
| Cunningham Rd over Potholes East Canal | 1995 | 3,513 | Good |
| Bench Rd over Potholes East Canal | 1978 | 3,255 | Fair |
| SR 26 over US 395 | 1995 | 2,465 | Good |
| SR 26 over East Low Canal | 1959 | 2,260 | Poor |
| SR 26 over Np Ry | 1959 | 2,260 | Poor |
| SR 24 over Irrigation Canal | 1967 | 2,223 | Good |
| Lee Rd over Lateral EL68 328+26.61 | 1988 | 2,069 | Fair |
| SR 26 over Np Ry | 1959 | 1,997 | Fair |
| SR 26 over Providence Coulee | 1959 | 1,997 | Poor |
| Booker Rd over East Low Canal | 1971 | 1,682 | Fair |
| SR 26 over Abandoned RR | 1977 | 1,646 | Poor |
| SR 26 over Cow Creek | 1975 | 1,646 | Poor |
| SR 26 over Palouse River | 1971 | 1,646 | Fair |
| SR 26 over UP RR | 1975 | 1,646 | Poor |
| Booker Rd over Wasteway | 1985 | 1,481 | Good |
| US 395 Ramp over I-90 | 1958 | 1,360 | Poor |
| SR 26 over Nedwickes Arroyo | 1960 | 1,356 | Good |
| SR 26 over Dry Wash | 1960 | 1,293 | Poor |
| McManamon Rd. over Potholes East Canal | 2019 | 1,238 | Good |
| Mcmanamon Rd over Lower Crab Creek | 2001 | 1,024 | Good |
| SR 21 over Bnrr | 1995 | 1,021 | Good |
| N Bob Lee Rd over I-90 | 1968 | 920 | Good |
| Division Street over Paha Drainage Ditch | 1930 | 846 | Fair |
| Lee Rd over Wasteway EL68 Sta 264+67 | 1986 | 765 | Fair |
| SR 21 over Lind Coulee | 1986 | 736 | Good |
| SR 261 over Dry Run | 1947 | 488 | Good |
| Cunningham Rd over East Low Canal 4202+20 | 1971 | 478 | Fair |
| SR 261 over Dry Run | 1947 | 472 | Fair |
| SR 261 over Dry Run | 1947 | 472 | Good |
| SR 261 over Dry Run | 1947 | 456 | Good |
| E Danekas Rd over I-90 | 1958 | 422 | Fair |
| Rosenoff Rd over Intermittent Stream | 1920 | 407 | Fair |
| Van Marter St over Lind Coulee | 2007 | 392 | Good |
| Booth Ave. over Sand Ditch | 1910 | 355 | Fair |
| E-ns Ramp I-90 over Burlington-northern RR | 1985 | 333 | Good |
| SR 21 over US 395 | 1995 | 304 | Good |
| SR 21 over Bauer Coulee | 1946 | 301 | Poor |
| Cunningham Rd over Providence Coulee | 1920 | 279 | Fair |
| Herman Rd over East Low Canal | 1953 | 272 | Fair |
| Wellsandt Rd over I-90 | 1958 | 272 | Fair |
| Bench Rd over Wasteway EL68 Sta 430+75 | 1988 | 270 | Good |
| Athey Rd over Potholes East Canal | 1998 | 260 | Good |
| Rosenoff Rd over Bauer Coulee | 1995 | 243 | Good |
| Cemetery Rd over Usbr Latural EL68 | 2008 | 235 | Good |
| Lucy Rd over East Low Canal 4372+31.0 | 1953 | 223 | Fair |
| Foley Rd over Lateral EL68 328+26.61 | 1988 | 216 | Fair |
| Providence Rd over Ecbid Wasteway | 1995 | 213 | Good |
| Rosenoff Rd over Farrier Coulee | 1920 | 207 | Fair |
| Leisle Road over East Low Canal | 2015 | 206 | Good |
| Reynolds Rd over EL68 Wasteway Canal | 1952 | 200 | Fair |
| Billington Rd over EL81 Wasteway 67+12.23 | 1952 | 196 | Fair |
| Foley Rd over East Low Canal | 1953 | 195 | Fair |
| SR 21 over Dry Run | 1965 | 182 | Good |
| Schoessler Rd over I-90 | 1958 | 169 | Fair |
| Hatton Rd over EL68 Wasteway 608+83.97 | 1952 | 166 | Fair |
| SR 21 over Intermittent Stream | 1981 | 165 | Fair |
| Lind-hatton Rd over Intermittent Stream | 1957 | 164 | Fair |
| Lind-hatton Rd over Providence Coulee | 1939 | 156 | Fair |
| Schrag Rd over Dry Wash | 1938 | 143 | Fair |
| Herman Rd over Branch Canal EL68 | 1952 | 140 | Fair |
| Lemaster Rd over Wasteway EL81 128+36.98 | 1952 | 135 | Poor |
| Deal Rd over Farrier Coulee | 1989 | 133 | Good |
| Lind-warden Rd over Lind Coulee | 1954 | 130 | Fair |
| Hatton Rd over Wasteway Pe 16.4 Ww | 1952 | 127 | Fair |
| Lind-ralston Rd over Intermittent Stream | 1993 | 116 | Good |
| Lind-ralston Rd over Dry Relief | 1967 | 113 | Good |
| Moody Rd over Rocky Coulee | 1967 | 112 | Fair |
| Paha-packard Rd. over Dry Wash | 1915 | 112 | Fair |
| 3RD Street over Runoff Channel | 1980 | 111 | Good |
| Deal Rd over Weber Coulee | 1989 | 107 | Good |
| Steele Rd over Branch Canal EL68 134+51 | 1952 | 107 | Poor |
| Lind-ralston Rd over Lind Coulee | 1993 | 103 | Good |
| Hatton Rd over East Low Canal | 1953 | 100 | Fair |
| Neilson St over Lind Coulee | 2003 | 100 | Good |
| Hills Rd over Cow Creek | 2009 | 96 | Good |
| Hills Rd over Intermittent Stream | 2009 | 96 | Good |
| Old SR 26 Rd over Palouse River Overrun | 1944 | 96 | Good |
| Chelan Street over Paha Drainage Ditch | 1987 | 95 | Good |
| Wellsandt Rd. over dry releif | 2004 | 93 | Good |
| Batum Rd over York Coulee | 1979 | 91 | Good |
| Deal Rd over Dry Wash | 2004 | 81 | Good |
| Bauman Rd. over Intermittent Stream | 1900 | 80 | Fair |
| Cunningham Rd over Intermittent Stream | 1958 | 78 | Fair |
| Paha-packard Rd over Paha Coulee | 2000 | 72 | Good |
| Heineman Rd over Dry Wash | 1995 | 71 | Good |
| Sutton Road over Branch Canal EL68 275+19 | 1952 | 71 | Fair |
| Lind-ralston Rd over Intermittent Stream | 1993 | 64 | Fair |
| Ralston-benge Rd over Cow Creek | 1917 | 62 | Fair |
| Ralston-benge Rd over Dry Wash | 1900 | 62 | Fair |
| Ralston-benge Rd over Dry Wash | 1956 | 62 | Good |
| Benge-winona Rd over Columbia Plateau Trail | 2000 | 59 | Good |
| Schrag Rd over Farrier Coulee | 1938 | 57 | Fair |
| Urquhart Rd over Weber Coulee | 1917 | 57 | Fair |
| Lind-ralston Rd over Intermittent Stream | 1916 | 55 | Fair |
| Old SR 26 Rd over Palouse River | 1941 | 53 | Fair |
| Schrag Rd over Bauer Coulee | 1938 | 53 | Fair |
| Paha-packard Rd over Dry Wash | 1915 | 52 | Fair |
| Batum Rd over Rocky Coulee | 1914 | 50 | Fair |
| Benge-washtucna Rd over Cow Creek | 1914 | 50 | Fair |
| Benge-washtucna Rd over Dry Relief | 1914 | 50 | Fair |
| Damon Rd over Intermittent Stream | 1959 | 48 | Good |
| Cunningham Rd over Dry Wash | 1914 | 46 | Fair |
| Calloway Rd over East Low Canal | 2006 | 41 | Good |
| Schrag Road over Weber Coulee | 1938 | 41 | Fair |
| Lauer Rd over Dry Relief | 1933 | 38 | Fair |
| Wahl Rd over Bauer Coulee | 1940 | 37 | Fair |
| Gray Rd over Cow Creek | 1995 | 33 | Good |
| Schoonover Rd over Milwaukee Coulee | 1956 | 33 | Fair |
| Neilson Rd over Intermittent Stream | 1925 | 28 | Fair |
| Sackman Rd over Dry Wash | 1939 | 27 | Fair |
| Calloway Rd over Dry Wash | 1900 | 26 | Fair |
| Thiel Rd over Dry Wash | 1916 | 26 | Fair |
| Hatton Rd over Dry Relief | 1915 | 25 | Fair |
| Heinemann Rd over Farrier Coulee | 1900 | 25 | Good |
| Dewald Rd over Intermittent Stream | 1957 | 23 | Fair |
| Hatton Rd over Dry Relief | 1927 | 21 | Fair |
| Smart Rd over Lind Coulee | 1995 | 21 | Good |
| Farm Access over East Low 68 Mile Lateral | 1953 | 20 | Fair |
| Griffith Rd over Rocky Coulee | 1929 | 20 | Poor |
| Jantz Rd over Rocky Coulee | 1950 | 19 | Fair |
| Urquhart Rd over US 395 | 1995 | 18 | Good |
| Arlt Rd over Intermittent Stream | 1900 | 17 | Fair |
| Bauer Rd over Dry Wash | 2000 | 15 | Good |
| Schoessler Rd over Dry Wash | 1961 | 15 | Fair |
| Bauer Rd over Dry Wash | 1938 | 14 | Fair |
| Lauer Rd over Rocky Coulee | 1914 | 14 | Fair |
| Wellsandt Rd over I-90 | 1967 | 14 | Fair |
| Roloff Rd over Dry Wash | 1953 | 13 | Fair |
| Suko Rd over Dry Wash | 1949 | 12 | Fair |
| Calloway Rd over Dry Wash | 1962 | 10 | Fair |
| Gearhardt Rd over Lateral EL85 Sta 2+30.30 | 1952 | 10 | Fair |
| Providence Rd over Dry Relief | 1900 | 10 | Fair |
| Providence Rd over East Low Canal | 2004 | 10 | Good |
| Klein Rd over Dry Wash | 1900 | 9 | Fair |
| Yeisley Rd over Branch Canal - El 85 | 2005 | 9 | Good |
| Hampton Rd over Dry Relief | 1952 | 8 | Fair |
| Schoessler Rd over Dry Wash | 1900 | 8 | Fair |
| Dyck Rd over Rocky Coulee | 2002 | 7 | Good |
| Sackman Rd over East Low Canal | 1953 | 6 | Poor |
| Farm Access over East Low 68 Mile Lateral | 1953 | 5 | Fair |
| Jantz Rd over Intermittent Stream | 1953 | 4 | Fair |
| Koch Rd over Farrier Coulee | 1973 | 4 | Good |
| Benzel Rd over Dry Wash | 1952 | 3 | Fair |
| Hatton Rd over Hatton Coulee | 1915 | 3 | Fair |
| Maintenance Road over Scooteney Wasteway | 1953 | 2 | Good |
| Wahl Rd over Dry Relief | 1950 | 2 | Fair |
| Anderson Rd over Dry Wash | 1915 | 1 | Fair |
| Anderson Rd over Intermittent Stream | 1961 | 1 | Fair |
| Hampton Rd over Dry Relief | 1900 | 1 | Fair |
| Paxton Trail over Rock Creek | 1914 | – | Fair |