| Or 22 (HWY30AZ) E over Hwy 150 Conn. & Park Rd | 1953 | 45,083 | Fair |
| Or 22 (hwy 30) over Boat Moorage Access | 1963 | 44,753 | Fair |
| Or 22 (hwy 30) over OR 221 (HWY 150) Conn | 1963 | 29,957 | Fair |
| OR 22 (Hwy 30) over Mud Slough | 1973 | 28,015 | Good |
| Or 22 (hwy 30) Con over Wallace Marine Park | 1953 | 22,964 | Fair |
| OR 22 (Hwy 30) over W&p RR | 1973 | 22,774 | Good |
| Or 22 (hwy 30) over Or 221 (hwy 150) Conn | 1963 | 22,376 | Fair |
| Or 22 (hwy 30) WB over OR 221 (HWY 150) Conn | 1952 | 22,196 | Fair |
| OR 18 (Hwy 39) over Casino Entrance Road | 1996 | 17,452 | Good |
| OR 18 (Hwy 39) over South Yamhill River | 1992 | 17,452 | Good |
| Or 221 (hwy 150) over Gibson Creek | 2000 | 17,007 | Fair |
| Fort Hill Road over OR 18 (Hwy 39) | 2009 | 16,490 | Fair |
| OR 18 (Hwy 39) over South Yamhill River | 1946 | 16,482 | Fair |
| OR 18 (Hwy 39) over South Yamhill River | 1931 | 14,550 | Fair |
| Or 99W (hwy 91) over Middle Creek Ash Creek | 1954 | 14,546 | Fair |
| OR 99W (Hwy 91) over North Fork Ash Creek | 1954 | 14,149 | Poor |
| Or 99W (hwy 91) over Rickreall Creek | 1960 | 13,088 | Fair |
| OR 99W (Hwy 91) over Hwy 30 | 2006 | 12,985 | Good |
| Or 99W (hwy 91) over Baskett Slough | 1923 | 12,985 | Fair |
| OR 22 (Hwy 30) over Salt Creek | 1934 | 11,961 | Fair |
| Hwy 30 over Hwy 189 | 2006 | 11,387 | Fair |
| OR 22 (Hwy 030) over Mill Creek | 1946 | 11,358 | Fair |
| OR 22 (Hwy 30) over Gooseneck Creek | 1934 | 11,358 | Fair |
| Or 99W (hwy 91) over South Fork Ash Creek | 1957 | 9,987 | Fair |
| OR 51 (Hwy 43) over South Fork Ash Creek | 1950 | 9,615 | Fair |
| OR 99W (Hwy 91) over Luckiamute River Oflow | 1958 | 9,582 | Fair |
| Or 99W (hwy 91) over Luckiamute River | 1954 | 9,582 | Fair |
| OR 18 (Hwy 39) over Jackass Creek | 2005 | 8,996 | Good |
| OR 18 (Hwy 39) over Creek | 1957 | 8,278 | Fair |
| OR 99W (Hwy 91) over Berry Creek | 1923 | 8,275 | Fair |
| OR 99W (Hwy 91) over Soap Creek | 1923 | 8,275 | Fair |
| OR 18 (Hwy 39) over Hwy 30 | 1958 | 8,172 | Fair |
| OR 18 (Hwy 39) over S. Yamhill R. & Hwy 157 | 1958 | 8,172 | Fair |
| OR 51 (Hwy 193) over Ash Creek | 1981 | 7,883 | Fair |
| OR 51 (Hwy 193) over Rickreall Creek | 1995 | 7,799 | Good |
| OR 18 (Hwy 39) over Rogue River | 1942 | 7,259 | Fair |
| OR 223 (Hwy 191)NB over Rickreall Creek | 1969 | 7,225 | Fair |
| OR 223 (Hwy 191)SB over Rickreall Creek | 1918 | 7,225 | Fair |
| Or 221 (hwy 150) over Spring Valley Creek | 1989 | 6,653 | Fair |
| Clow Corner Road over N Fork Ash Creek | 1957 | 6,536 | Fair |
| Levens Street over Rickreall Creek | 2007 | 6,464 | Fair |
| Or 99W (hwy 091) over Crowley Creek | 2017 | 5,774 | Good |
| OR 99W (Hwy 091) over Ash Swale | 2019 | 5,468 | Good |
| OR 99W (Hwy 91) over Plum Creek (Ash Swale) | 2019 | 5,468 | Good |
| OR 22 (Hwy 30) over S Yamhill River | 1935 | 5,448 | Fair |
| NW Orchard Heights over Glenn Creek | 1993 | 5,400 | Fair |
| Monmouth Cut Off over N Fk Ash Creek | 1979 | 4,473 | Poor |
| Hoffman Road over N Fork Ash Creek | 1982 | 3,643 | Good |
| OR 223 (Hwy 191) over Fern Creek | 1953 | 3,545 | Poor |
| Riddell Road over North Fork Ash Creek | 1922 | 3,329 | Fair |
| Fir Villa Road over Rickreall Creek | 1965 | 3,001 | Good |
| Falls City Road over Fern Creek | 1964 | 2,893 | Fair |
| Grand Ronde Road over South Yamhill River | 1970 | 2,809 | Fair |
| Gun Club Road over North Fork Ash Creek | 1983 | 2,247 | Fair |
| La Creole Drive over Rickreall Creek | 1997 | 2,119 | Fair |
| OR 223 (Hwy 191) over Fern Creek | 1953 | 1,633 | Good |
| OR 223 (Hwy 191) over Little Luckiamute River | 1953 | 1,633 | Fair |
| Hwy 194 over South Fork Ash Creek | 1966 | 1,624 | Fair |
| Corvallis Road over Soap Creek | 1981 | 1,500 | Good |
| Buena Vista Rd over Small Creek | 1971 | 1,404 | Fair |
| Bethel Road over Plum Creek | 1985 | 1,202 | Good |
| Bethel Road over W Branch Ash Swale | 1983 | 1,202 | Fair |
| Perrydale Road over E Fork Salt Creek | 1965 | 1,125 | Fair |
| Godsey Road over N Fk Ash Creek | 1960 | 1,112 | Poor |
| Airlie Road over Peterson Creek | 1986 | 1,072 | Good |
| Hwy 194 over Fern Creek | 1966 | 1,044 | Fair |
| Buena Vista Rd over Luckiamute River | 2005 | 965 | Fair |
| Broadmead Road over Salt Creek | 1979 | 885 | Fair |
| Elkins Road over Little Luckiamute O/flow | 1975 | 885 | Fair |
| Elkins Road over Little Luckiamute River | 1975 | 885 | Good |
| Ellendale Road over Rickreall Creek | 1965 | 885 | Good |
| OR 223 (Hwy 191) over McTimmonds Creek | 1967 | 879 | Poor |
| OR 223 (Hwy 191) over McTimmonds Creek | 1956 | 879 | Fair |
| Winslow Way NW over Salemtowne Golf Cart Pat | 1967 | 857 | Poor |
| Corvallis Road over Luckiamute River | 2006 | 832 | Fair |
| Airlie Road over Luckiamute River | 2006 | 803 | Fair |
| Harmony Road over Goose Creek | 1964 | 748 | Fair |
| OR 223 (Hwy 191) over Little Luckiamute Oflow | 1953 | 740 | Fair |
| OR 223 (Hwy 191) over Pedee Creek | 1960 | 725 | Fair |
| Ash St over North Fork Ash Creek | 1998 | 663 | Good |
| Riverbend Road over Glenn Creek | 2009 | 649 | Good |
| Greenwood Road over Rickreall Creek | 2005 | 645 | Fair |
| Balston Road over Trib of S Yamhill River | 1965 | 624 | Fair |
| Harmony Road over Mill Creek | 1966 | 624 | Fair |
| Mistletoe Road over Trib of N Fork Ash Creek | 1978 | 579 | Fair |
| Ballston Rd over Trib of S Yamhill River | 1964 | 574 | Fair |
| F Street over South Fork Ash Creek | 2022 | 572 | Good |
| OR 223 (Hwy 191) over Ritner Creek | 1976 | 570 | Good |
| Helmick Road over Luckiamute River Overflo | 1974 | 550 | Fair |
| 16TH St over Ash Creek | 2002 | 520 | Good |
| 16TH St over Creek | 2002 | 520 | Fair |
| Bridge Street over Little Luckiamute River | 2006 | 499 | Good |
| Helmick Road over South Fork Ash Creek | 1955 | 489 | Fair |
| De Jong Road over Trib of S Yamhill River | 1964 | 469 | Poor |
| Greenwood Road over Oak Point Creek | 1966 | 428 | Fair |
| Morrow Road over Rickreall Creek | 1960 | 389 | Fair |
| Talmadge Road over S Fork Ash Creek | 1973 | 375 | Fair |
| Grande Ronde/e Ave over Rock Creek | 1962 | 360 | Fair |
| Gooseneck Road over Gooseneck Creek | 1982 | 354 | Fair |
| Black Rock Road over Little Luckiamute River | 2024 | 343 | Good |
| Black Rock Road over Little Luckiamute River | 2024 | 343 | Fair |
| Helmick Road over Luckiamute River | 1928 | 332 | Fair |
| Gooseneck Road over Gooseneck Creek | 1965 | 310 | Fair |
| Fire Hall Road over Rock Creek | 2006 | 294 | Fair |
| Gooseneck Road over Gooseneck Creek | 1966 | 291 | Fair |
| Mill CR Rd over Mill Creek | 1981 | 284 | Fair |
| Brown Road over West Fork Salt Creek | 1988 | 261 | Good |
| Gardner Road over Teal Creek | 1964 | 261 | Good |
| Halls Ferry Road over Hayden Slough-will R O/f | 1993 | 248 | Fair |
| Hanna Road over Drainage Ditch | 1993 | 248 | Fair |
| Mitchell Street over Dutch Creek | 2021 | 242 | Good |
| Parker Road over Small Creek | 1997 | 239 | Fair |
| Enterprise Road over W Fork Salt Creek | 1961 | 236 | Fair |
| Gage Road over Clayton Creek | 1993 | 219 | Poor |
| Gage Road over Ritner Creek | 1993 | 219 | Poor |
| Gage Road over Sheythe Creek | 1993 | 219 | Poor |
| Gold Creek Road over Gold Creek | 1991 | 218 | Fair |
| Gold Creek Road over Gold Creek | 1991 | 218 | Fair |
| Gold Creek Road over Gold Creek | 1978 | 218 | Fair |
| Gold Creek Road over South Yamhill River | 1965 | 218 | Good |
| Bridgeport Road over Little Luckiamute River | 1968 | 213 | Fair |
| Brown Road over West Fork Salt Creek | 1988 | 208 | Fair |
| Oakdale Road over Waymire Creek | 2021 | 175 | Good |
| Kroenig Road over Salt Creek | 1997 | 161 | Fair |
| West Perrydale Rd over Salt Creek | 1960 | 156 | Fair |
| Bowersville Road over Rickreall Creek | 1955 | 149 | Fair |
| Van Well Road over E Fork Salt Creek | 1965 | 114 | Fair |
| Frost Road over Teal Creek | 2006 | 112 | Good |
| Oak Knoll Road over Spring Valley Creek | 1966 | 109 | Fair |
| Valley Creek Rd NW over Spring Valley Creek | 2016 | 109 | Fair |
| Guthrie Road over Fern Creek | 2012 | 108 | Good |
| Old Military Road over Mill Creek | 1963 | 108 | Fair |
| Wigrich Road over Willamette River Overflo | 2004 | 107 | Fair |
| Fishback Road over Cooper Creek | 1965 | 106 | Fair |
| Beck Road over Salt Creek | 1992 | 104 | Fair |
| Gilliam Road over Fern Creek | 1996 | 104 | Good |
| Starr Road over West Fork Salt Creek | 1991 | 104 | Fair |
| Andy Riggs Rd. over Cow Creek | 2008 | 100 | Fair |
| Wildwood Road over Luckiamute River | 1967 | 94 | Fair |
| Ira Hooker Road over Luckiamute River | 1997 | 92 | Fair |
| Rosenbalm Rd over Mill Creek | 2006 | 89 | Good |
| Smithfield Road over Crowley Creek | 2003 | 89 | Fair |
| Pleasant Hill Road over Trib of S Yamhill River | 1965 | 80 | Fair |
| Rickreall Road over Basket Slough | 2006 | 76 | Fair |
| Tucker Road over Salt Creek | 1964 | 75 | Fair |
| Robb Mill Road over Ellendale Creek | 2011 | 73 | Fair |
| Starr Road over E Fork Salt Creek | 1991 | 73 | Fair |
| Starr Road over W Fork Salt Creek | 1991 | 73 | Fair |
| Van Well Road over Salt Creek | 1972 | 73 | Fair |
| Smith Road over Little Luckiamute River | 1981 | 67 | Fair |
| De Armond Road over Berry Creek | 1978 | 65 | Fair |
| Farm Entrance over Drainage Channel | 1956 | 60 | Poor |
| Savage Road over Trib of S Yamhill River | 1960 | 58 | Fair |
| Pedee Creek Road over Pedee Creek | 1978 | 55 | Good |
| Pedee Creek Road over So Fork Pedee Creek | 1989 | 55 | Fair |
| Peedee Creek Road over N Fork Peedee Creek | 1989 | 55 | Fair |
| Grant Road over Luckiamute River | 1986 | 42 | Fair |
| Hart Road over W Fork Salt Creek | 2005 | 31 | Fair |
| Socialist Valley over Little Luckiamute River | 2001 | 26 | Fair |
| 07 S 08 W 32.00: over Boulder Creek | 1997 | 20 | Good |
| "A" St over Plum Creek | 1940 | 15 | Poor |
| 07 S 08 W 32.00: over North Fork Siletz River | 1997 | 10 | Good |