| NW Broadway Ramp over Broadway ST Conn | Multnomah | 30,388 | 1913 | 495.1 ft |
| Us101 (hwy 9) over Yaquina Bay | Lincoln | 20,207 | 1934 | 1324.1 ft |
| US 20 (hwy 16) EB over Lebanon Ditch | Linn | 18,798 | 1921 | 40.0 ft |
| Stateline Road over Pine Creek | Umatilla | 17,928 | 1964 | 60.0 ft |
| Goodpasture Is RD over HWY 132 | Lane | 17,868 | 1965 | 232.9 ft |
| SW 205th AVE over Beaverton Creek | Washington | 14,741 | 1960 | 62.0 ft |
| HWY 123 over Bnsf | Multnomah | 14,374 | 1909 | 339.9 ft |
| Toll Bridge over Columbia River | Hood River | 14,227 | 1924 | 4418.0 ft |
| Or 99w (hwy 91) over North Fork Ash Creek | Polk | 14,149 | 1954 | 50.9 ft |
| US 20 (hwy 33) over Beaver Creek | Lincoln | 13,994 | 1953 | 75.1 ft |
| Columbia BLVD over B-78 Over Bnrr | Multnomah | 13,910 | 1909 | 148.0 ft |
| I-84 (hwy 002) EB over Mccord Creek | Multnomah | 13,746 | 1962 | 380.9 ft |
| Us101 (hwy 9) over Kilchis R. & Possetti RD | Tillamook | 13,357 | 1952 | 275.9 ft |
| N Burgard ST over B-1 Over Up/sprr | Multnomah | 13,113 | 1930 | 126.0 ft |
| HWY 210 EB over Willamette River | Benton | 12,687 | 1913 | 713.3 ft |
| Or 34 (hwy 210) WB over Willamette River | Benton | 12,687 | 1964 | 889.1 ft |
| HWY 29 over Pnwr & Scoggin Creek | Washington | 12,233 | 1967 | 307.1 ft |
| HWY 1w (steel Br) over Willamette River | Multnomah | 11,732 | 1910 | 785.1 ft |
| Salem AVE over Cox Creek | Linn | 11,330 | 1940 | 46.9 ft |
| Us101 (hwy 9) over Siuslaw River | Lane | 10,905 | 1936 | 1649.3 ft |
| Wilco Road over Salem Ditch | Marion | 10,640 | 1968 | 55.1 ft |
| 174th AVE over Johnson Creek | Multnomah | 9,838 | 1950 | 105.0 ft |
| Holly LN over Abernethy Creek | Clackamas | 9,700 | 1933 | 104.0 ft |
| US 26 (hwy 047) over West Fork Dairy Creek | Washington | 9,574 | 1940 | 105.0 ft |
| Us101 (hwy 9) over Columbia River | Clatsop | 9,117 | 1966 | 11200.1 ft |
| HWY 140 over Jackson Bottom Slough | Washington | 8,728 | 1966 | 151.9 ft |
| Us26 (hwy 026ac) over Arthur ST Viaduct | Multnomah | 8,710 | 1947 | 265.7 ft |
| W 10th Street over Mill Creek | Wasco | 8,665 | 1975 | 111.9 ft |
| HWY 222 over I-5 (hwy 001) | Lane | 7,873 | 2007 | 220.1 ft |
| HWY 105 over Old Youngs Bay | Clatsop | 7,781 | 1921 | 1845.1 ft |
| W Broadway over Necanicum Rv | Clatsop | 7,315 | 1924 | 151.9 ft |
| Or 18 (hwy 39) over Salmon River | Lincoln | 7,215 | 1930 | 154.9 ft |
| US 20 (hwy 33) over Tumtum River | Lincoln | 6,930 | 1989 | 22.0 ft |
| North Dakota ST over Fanno Creek | Washington | 6,925 | 1962 | 47.9 ft |
| Old US 20- HWY 033 over W Olalla Slough | Lincoln | 6,800 | 1936 | 68.9 ft |
| Royal AVE over Amazon Canal | Lane | 6,753 | 1973 | 120.1 ft |
| W Wash ST over Salem Ditch | Marion | 6,466 | 1975 | 47.9 ft |
| Fas A656 over Sandy River | Multnomah | 6,445 | 1914 | 277.9 ft |
| HWY 105 over Lewis & Clark River | Clatsop | 6,367 | 1924 | 870.1 ft |
| Or 213 (hwy 160) over Abiqua Creek | Marion | 6,347 | 1934 | 167.0 ft |
| HWY 485 over Skipanon River | Clatsop | 6,271 | 1929 | 129.9 ft |
| 2nd ST over Union Pacific Rail Road | Union | 5,933 | 1979 | 390.1 ft |
| Rambler DR SE over Little Pudding River | Marion | 5,800 | 1963 | 1576.1 ft |
| Eagle Pt - Main ST over Little Butte Creek | Jackson | 5,681 | 1947 | 184.1 ft |
| Tigard Street over Fanno Creek | Washington | 5,667 | 1958 | 63.0 ft |
| Kropf Road over Rock Creek | Clackamas | 5,600 | 1958 | 94.2 ft |
| Us101 (hwy 9) over Arch Cape Creek | Clatsop | 5,508 | 1937 | 166.0 ft |
| HWY 29 over Yamhill Creek | Yamhill | 5,429 | 1958 | 63.0 ft |
| HWY 131 over Trask River | Tillamook | 5,192 | 1948 | 333.3 ft |
| Or 6 (hwy 37) over Wilson River | Tillamook | 5,092 | 1939 | 379.9 ft |
| Snuffin RD over Eagle Creek | Clackamas | 5,000 | 1956 | 77.1 ft |
| Fessenden ST over Burlington Northern R&r | Multnomah | 4,931 | 1909 | 164.0 ft |
| Columbus St. over Oak Creek Oflow | Linn | 4,841 | 1991 | 22.6 ft |
| HWY 131 over Tillamook River | Tillamook | 4,701 | 1962 | 649.9 ft |
| Stewart Park Road over South Umpqua River | Douglas | 4,541 | 1946 | 327.1 ft |
| Or 52 (hwy 492) over Snake River | Malheur | 4,512 | 1953 | 689.0 ft |
| Monmouth Cut Off over N Fk Ash Creek | Polk | 4,473 | 1979 | 29.9 ft |
| Or 47 (hwy 102) over Rock Creek | Columbia | 4,450 | 1930 | 140.1 ft |
| Eagle Fern RD over North Fork Eagle Creek | Clackamas | 4,400 | 1956 | 90.9 ft |
| Or 207 (hwy 333) over A-line Canal | Umatilla | 4,248 | 1974 | 35.1 ft |
| Valley View RD C#2 over I-5 (hwy 001) | Jackson | 4,170 | 1962 | 357.9 ft |
| NW Grant ST over Dixon CR | Benton | 4,100 | 1967 | 24.0 ft |
| Or 229 (hwy 181) over Depot Creek | Lincoln | 3,605 | 1963 | 75.1 ft |
| Or 229 (hwy 181) over Depot Creek | Lincoln | 3,605 | 1963 | 84.0 ft |
| Or 223 (hwy 191) over Fern Creek | Polk | 3,545 | 1953 | 35.1 ft |
| Jerrys Flat Road over Indian Creek | Curry | 3,451 | 1957 | 35.1 ft |
| Or 36 (hwy 229) over Creek | Lane | 3,445 | 1932 | 38.1 ft |
| West Stayton RD over Mill Creek | Marion | 3,417 | 1966 | 41.0 ft |
| NW Garfield AVE over Dixon CR | Benton | 3,374 | 1958 | 37.1 ft |
| Or 99e (hwy 58) over Creek | Linn | 3,351 | 1954 | 38.1 ft |
| Hendricks Road over Hawn Creek | Yamhill | 3,288 | 1964 | 56.1 ft |
| Marion Rd. SE over Sidney Ditch | Marion | 3,245 | 1962 | 40.0 ft |
| Whiskey Hill RD over Overflow Pudding River | Marion | 3,061 | 1955 | 102.0 ft |
| Or 47 (hwy 102) over Nehalem River | Columbia | 2,938 | 1938 | 209.6 ft |
| Scappoose-vernonia over S Fk Scappoose Creek | Columbia | 2,926 | 1957 | 85.0 ft |
| Fau9956 over Johnson Creek | Multnomah | 2,901 | 1930 | 33.1 ft |
| Or 58 (hwy 018) over Salt Creek | Lane | 2,706 | 1965 | 366.1 ft |
| Monitor-mckee RD over Pudding River | Marion | 2,663 | 1950 | 169.0 ft |
| 9th AVE over Santiam-albany Canal | Linn | 2,575 | 1930 | 35.1 ft |
| County RD 12 over Cow Creek At Glendale | Douglas | 2,574 | 1974 | 261.2 ft |
| Tangent DR over Tributary Of Lake Creek | Linn | 2,400 | 1968 | 24.9 ft |
| Peoria RD over Lake Creek | Linn | 2,060 | 1969 | 128.0 ft |
| HWY 140 (or 219) over West Champoeg Creek | Marion | 2,042 | 1958 | 57.1 ft |
| County RD 47 over Lookingglass Creek | Douglas | 2,002 | 1958 | 321.9 ft |
| Sand Ridge Road over Butte Creek | Linn | 1,957 | 1962 | 64.0 ft |
| Three Lakes RD over Albany Santiam Canal | Linn | 1,906 | 1987 | 29.9 ft |
| Coburg Road over Curtis Slough | Linn | 1,854 | 1959 | 38.1 ft |
| Or 226 (hwy 211) over Jordan Creek | Linn | 1,786 | 1963 | 25.9 ft |
| Fish Hatchery Dr. over Beaver Creek | Linn | 1,777 | 1970 | 121.1 ft |
| County RD 7a over Haynes Slough | Coos | 1,733 | 1971 | 29.9 ft |
| Or 22 (hwy 32) over Louie Creek | Tillamook | 1,724 | 1962 | 38.1 ft |
| Goldfish Farm Rd. over Cox Creek | Linn | 1,700 | 1984 | 53.1 ft |
| Dominic Road over Zollner Creek | Marion | 1,696 | 1961 | 67.9 ft |
| Watts Road over S Fk Scappoose Creek | Columbia | 1,667 | 1962 | 73.2 ft |
| Bellinger Scale RD over Beaver CR | Linn | 1,604 | 1979 | 40.0 ft |
| Broadacres RD over Case Creek | Marion | 1,567 | 1963 | 89.9 ft |
| Clover Ridge RD over Truax Creek | Linn | 1,494 | 1960 | 58.1 ft |
| St. Paul HWY over Case Creek | Marion | 1,454 | 1966 | 77.1 ft |
| Stoltz Hill RD over Oak Creek | Linn | 1,442 | 1966 | 21.0 ft |
| Industrial Avenue over Canal | Lane | 1,398 | 2005 | 35.1 ft |
| River DR over Albany-santiam Canal | Linn | 1,390 | 1983 | 63.0 ft |
| Bellinger Scale RD over Hamilton CR | Linn | 1,390 | 1967 | 82.0 ft |
| Mayger Road over Beaver Creek | Columbia | 1,339 | 1961 | 121.1 ft |
| 3rd AVE over Calapooia Rv | Linn | 1,236 | 1960 | 221.1 ft |
| Champoeg RD over Champoeg Creek | Marion | 1,208 | 1955 | 202.1 ft |
| Uebel Road over E Fork Dairy Creek | Washington | 1,202 | 1973 | 74.1 ft |
| Fillmore AVE over Ferry Creek | Coos | 1,200 | 1960 | 28.9 ft |
| Apiary Road over Oak Ranch Creek | Columbia | 1,200 | 2009 | 25.3 ft |
| S. Edwards Road over US Feed Canal | Umatilla | 1,125 | 1960 | 41.0 ft |
| North Fork RD over Little N. Santiam | Marion | 1,124 | 1960 | 185.0 ft |
| Godsey Road over N Fk Ash Creek | Polk | 1,112 | 1960 | 27.9 ft |
| Barlow RD over Rock Creek | Clackamas | 1,100 | 1957 | 274.9 ft |
| State Street over Pudding River | Marion | 1,026 | 1956 | 26.9 ft |
| Scappoose-vernonia over East Fork Nehalem River | Columbia | 991 | 1952 | 77.1 ft |
| Sherman Road over Beaver Creek | Marion | 967 | 1960 | 23.0 ft |
| West Wallowa AVE over Wrenn Dobbin Ditch | Wallowa | 940 | 1942 | 24.9 ft |
| Rock Hill Drive over Oak Creek | Linn | 930 | 1968 | 30.8 ft |
| HWY 100 over Viaduct | Multnomah | 901 | 1914 | 401.9 ft |
| Or 223 (hwy 191) over Mctimmonds Creek | Polk | 879 | 1967 | 33.1 ft |
| Bull Run RD over Bull Run River | Clackamas | 865 | 1926 | 245.1 ft |
| County RD 31 over Sutherlin Creek | Douglas | 857 | 1962 | 160.1 ft |
| County RD 20a over Cow Creek | Douglas | 857 | 1956 | 416.0 ft |
| Winslow Way NW over Salemtowne Golf Cart Pat | Polk | 857 | 1967 | 69.9 ft |
| Wheeler Street over Albany Santiam Canal | Linn | 850 | 1958 | 96.1 ft |
| County RD 209 over Neal Creek | Hood River | 838 | 1975 | 25.9 ft |
| Windsor Island RD over Overflow Channel | Marion | 821 | 1958 | 202.1 ft |
| Mill CR RD over Mill Creek | Wasco | 770 | 1941 | 30.8 ft |
| White Oak RD over Owl Creek | Linn | 742 | 1978 | 120.1 ft |
| Hntr Creek Loop RD over Hunter Creek | Curry | 739 | 1928 | 207.0 ft |
| C Street West over Nice Creek | Columbia | 732 | 1911 | 243.1 ft |
| Hibbard RD over Drift Creek | Marion | 725 | 1964 | 53.1 ft |
| County RD 5 over Archambeau Creek | Douglas | 724 | 1974 | 40.0 ft |
| HWY 130 over Panther Creek | Tillamook | 717 | 1957 | 63.0 ft |
| Gilkey Road over Ditch | Linn | 690 | 1976 | 44.9 ft |
| Mcdowell CR Drive over Willow Creek EB | Linn | 670 | 1958 | 66.9 ft |
| County RD 10a over Graydon-anderson/slough | Coos | 642 | 2000 | 97.1 ft |
| Grimm Road over Woodcock Creek | Clackamas | 629 | 1970 | 27.9 ft |
| Harrison Road over Cochran Creek | Linn | 618 | 1972 | 32.2 ft |
| Steele Road over Threemile Creek | Wasco | 598 | 1950 | 30.8 ft |
| N Lake Creek DR over Swale | Linn | 592 | 1960 | 58.1 ft |
| Kingwood AVE over De Ford CR | Linn | 592 | 1958 | 30.8 ft |
| Lake Cr.dr.east over Courtney Creek | Linn | 577 | 1974 | 59.1 ft |
| HWY 130 over Little Nestucca River | Tillamook | 576 | 1952 | 180.1 ft |
| HWY 130 over Little Nestucca River | Tillamook | 576 | 1934 | 166.0 ft |
| Webfoot Road over W. Fk. Palmer Creek | Yamhill | 566 | 1959 | 64.0 ft |
| Seven Mile LN over Swale/overflow | Linn | 566 | 1963 | 24.0 ft |
| Dever-conner Road over Crooks Creek | Linn | 566 | 1976 | 60.0 ft |
| Scappoose-vernonia over Crown Z Road | Columbia | 562 | 1963 | 75.1 ft |
| Big Creek Road over Big Creek | Lincoln | 558 | 1961 | 23.0 ft |
| Waypark Drive over Pudding R. Overflow | Marion | 556 | 1961 | 66.9 ft |
| Fellers RD over Senecal Creek | Marion | 556 | 1971 | 75.1 ft |
| Elkhead Road #50 over Oldham Creek | Douglas | 551 | 1965 | 121.1 ft |
| Boston Mill RD over Overflow | Linn | 542 | 1977 | 252.0 ft |
| Bowers Drive over Muddy Creek | Linn | 541 | 1966 | 89.9 ft |
| Tennessee RD over Small Creek | Linn | 541 | 1964 | 105.0 ft |
| Ogle RD over Courtney Creek | Linn | 539 | 1964 | 90.9 ft |
| Bowers Drive over Dry Muddy Creek | Linn | 536 | 1972 | 64.0 ft |
| Steckley RD over Oak Creek Overflow | Linn | 505 | 1961 | 29.9 ft |
| Summit Drive over Springbrook Creek | Clackamas | 503 | 1956 | 132.9 ft |
| County RD 16 over South Deer Creek | Douglas | 486 | 1967 | 77.1 ft |
| E Ingram Island RD over Ingram Slough | Benton | 469 | 1963 | 173.9 ft |
| De Jong Road over Trib Of S Yamhill River | Polk | 469 | 1964 | 53.1 ft |
| Wintel RD over Sidney Ditch | Marion | 456 | 1960 | 24.9 ft |
| Fishhawk Creek RD over Nehalem River | Columbia | 451 | 1963 | 259.8 ft |
| E Langell Vly RD over Drain Ditch | Klamath | 446 | 1976 | 24.9 ft |
| Llewellyn RD over Muddy Creek Overflow | Benton | 437 | 1959 | 39.0 ft |
| Valley View Road over Gordon Creek | Union | 437 | 2006 | 21.7 ft |
| Ivory Pine Road over Meryl Creek | Klamath | 434 | 1970 | 24.9 ft |
| East Water ST over Main Stayton Canal | Marion | 430 | 1973 | 44.9 ft |
| Tennessee RD over Slough | Linn | 422 | 1982 | 71.9 ft |
| Hibbard RD over Beaver Creek | Marion | 417 | 1964 | 69.9 ft |
| Klootchy Park Rd. over Necanicum River | Clatsop | 409 | 1960 | 102.0 ft |
| Ogle RD over Creek | Linn | 402 | 1964 | 58.1 ft |
| E Langell Vly RD over Lost River | Klamath | 398 | 1967 | 157.2 ft |
| Tennessee RD over Mill Creek | Linn | 391 | 1981 | 71.9 ft |
| Clatskanie Dist RD over Clatskanie Slough | Columbia | 382 | 1979 | 169.9 ft |
| Woodruff Lane over Catherine Creek | Union | 372 | 1930 | 77.1 ft |
| Tennessee RD over Mill Creek | Linn | 371 | 1981 | 71.9 ft |
| Tennessee RD over Mill Creek | Linn | 371 | 1982 | 71.9 ft |
| Upper Berlin RD over Hamilton Creek | Linn | 360 | 1971 | 64.0 ft |
| Lochner RD over Oak CR Oflow | Linn | 360 | 1959 | 113.8 ft |
| Lochner RD over Oak CR Oflow | Linn | 360 | 1959 | 95.1 ft |
| Fry Road over Oak Creek | Linn | 356 | 1965 | 61.0 ft |
| Whiskey Creek Road over Wallowa River | Wallowa | 346 | 1967 | 90.9 ft |
| County RD 693 over Pistol River | Curry | 344 | 1970 | 445.9 ft |
| Johnson Ck RD over Ochoco Main Canal | Crook | 338 | 1948 | 24.0 ft |
| Logsden Road over Big Rock Creek | Lincoln | 331 | 1958 | 101.0 ft |
| Fry RD over Oak Creek | Linn | 330 | 1960 | 75.1 ft |
| Gallon House over Abiqua Creek | Marion | 327 | 1916 | 146.0 ft |
| Bush Garden Dr. over Muddy Creek | Linn | 319 | 1971 | 36.1 ft |
| Wyatt Drive over Curtis Slough | Linn | 309 | 1986 | 180.1 ft |
| Or 140 (hwy 431) over Deep Creek | Lake | 308 | 1966 | 161.1 ft |
| Blagg Lane over Grass Valley Canyon | Sherman | 301 | 1957 | 23.0 ft |
| Boston Mill RD over Sodom Ditch | Linn | 299 | 1961 | 119.1 ft |
| Boston Mill RD over Calapooia River | Linn | 299 | 1962 | 126.0 ft |
| Falk RD over Spoon Creek | Linn | 299 | 1961 | 50.9 ft |
| Mt Pleasant RD over Beaver CR | Linn | 299 | 1958 | 48.9 ft |
| East Mt Circle over Hackett Creek | Clackamas | 293 | 1980 | 27.9 ft |
| Hide-a-way Lane over Hackett Creek | Clackamas | 293 | 2006 | 27.9 ft |
| Barlow Trail RD over Sandy River | Clackamas | 288 | 1953 | 171.9 ft |