| NE 45TH St over 25TH Ave NE | 1938 | 18,000 | Fair |
| W Garfield St over Marina Pl RR Ravine | 1929 | 18,000 | Poor |
| SR 513 over Pedestrian Trail | 2023 | 17,966 | Good |
| SR 202 over Sammamish Crk | 2024 | 17,808 | Good |
| SE 231ST St over SR 18 | 1972 | 17,714 | Fair |
| I-90 WB over So Fk Snoqulmie R | 1971 | 17,601 | Poor |
| I-90 over SR 906 W-w Ramp | 1969 | 17,601 | Poor |
| Airport Way S over ARGO RR Yard | 1928 | 17,500 | Fair |
| NE 90TH St over Sammamish River | 2001 | 17,500 | Fair |
| 196 - 200 Street over Green River | 1998 | 17,406 | Fair |
| SR 99 over Tukwila Intl Blvd | 1966 | 17,276 | Fair |
| SR 99 over Tukwila Intl Blvd | 1966 | 17,276 | Fair |
| Lake Tapps Parkway over E Valley Highway | 2003 | 17,243 | Fair |
| W Emerson St over 15TH Ave W | 1959 | 17,000 | Fair |
| SR 18 over 244TH Ave SE | 2005 | 16,971 | Good |
| SR 18 over 244TH Ave SE | 2006 | 16,971 | Good |
| SR 18 over Cedar River SE Bain Rd | 2005 | 16,971 | Good |
| SR 18 over Cedar River SE Bain Rd | 2004 | 16,971 | Fair |
| SR 18 over SR 169 Maxwell Taylor CR | 2005 | 16,971 | Good |
| SR 18 over SR 169 Maxwell Taylor CR | 2004 | 16,971 | Good |
| SR 18 over Taylor Creek | 2005 | 16,971 | Good |
| SR 18 over Taylor Creek | 2006 | 16,971 | Good |
| SR 18 over Taylor Creek | 2005 | 16,971 | Good |
| SR 18 over Taylor Creek | 2004 | 16,971 | Good |
| Shorewood Drive over I-90 | 1989 | 16,800 | Fair |
| SR 99 W-s Ramp over Bnrr City Street | 1996 | 16,753 | Fair |
| SR 900 over I-5 | 1966 | 16,633 | Fair |
| SR 900 over I-5 | 1966 | 16,633 | Fair |
| Access (avondale) over Ramp & NE 76TH | 1996 | 16,578 | Good |
| Newport Way SW over Tibbetts Creek | 2001 | 16,500 | Good |
| N-e Ramp over Occidental Ave S | 1998 | 16,470 | Good |
| Lakemont Blvd over Hill Side | 1998 | 16,261 | Fair |
| Lakemont Blvd over Ravine | 1998 | 16,261 | Fair |
| W-w Ramp over SR 202 Bnrr | 2007 | 16,261 | Good |
| 14/16TH Ave SE over Duwamish River | 2014 | 16,000 | Good |
| S 216TH St over I-5 | 1963 | 15,928 | Good |
| SR 99 over SR 99 NB SR 99 Nb/ramp | 2015 | 15,919 | Good |
| S 180TH St over Green River | 1968 | 15,698 | Fair |
| SR 169 over Np Ry | 1939 | 15,568 | Fair |
| Albro St over I-5 | 1966 | 15,563 | Fair |
| SR 18 over Carey CR Trib | 1995 | 15,522 | Fair |
| SR 18 over Carey CR Trib | 1996 | 15,522 | Good |
| SR 18 over Carey Creek | 1995 | 15,522 | Fair |
| SR 18 over Carey Creek | 1996 | 15,522 | Good |
| SR 18 over Carey Creek Tributary | 1995 | 15,522 | Good |
| I-90 W-s Ramp over I-90 Mainline | 1969 | 15,468 | Fair |
| SR 18 E-n Ramp over I-5 SR 18 Ramps | 2012 | 15,430 | Fair |
| NE 12TH St over Bnrr | 1970 | 15,309 | Fair |
| NB I5 Off Ramp over W-s I5 EB W Sea Frwy | 1967 | 15,286 | Fair |
| SR 202 WB over Evans Creek | 2006 | 15,091 | Good |
| SR 202 over Detention Vault | 2007 | 15,091 | Good |
| SR 202 over Evans Creek | 2006 | 15,091 | Good |
| Yale St Ramp over I-5 Rev Ramp | 1962 | 15,088 | Good |
| Covington-swyr Rd over Jenkins Creek | 1929 | 15,015 | Fair |
| SR 18 over SR 516 | 1979 | 15,002 | Good |
| SR 18 over SR 516 | 1997 | 15,002 | Good |
| Klickitat Dr over I-5 | 1964 | 15,000 | Poor |
| NE 10TH Street over I-405 | 2009 | 15,000 | Good |
| S Jackson St over Parking garage | 1910 | 15,000 | Fair |
| SR 509 over Des Moines Memorial | 1979 | 14,997 | Good |
| SR 509 over So 168TH St | 1979 | 14,997 | Good |
| Military Road over S-w Ramp to S 188TH St | 1964 | 14,741 | Fair |
| Eastlake Ave over I-5 Ramps | 1963 | 14,621 | Good |
| SR 202 over Detention Vault | 2007 | 14,605 | Good |
| NE 51ST Street over SR 520 | 1987 | 14,591 | Good |
| NE 128TH Way over Cottage Lake Creek | 1975 | 14,586 | Fair |
| E-n Ramp over Southcenter Blvd | 1965 | 14,537 | Good |
| NE 4th St over Stormwater Facility | 2013 | 14,500 | Good |
| S 160TH St over Airport Expressway | 1970 | 14,500 | Fair |
| SR 169 over Ravensdale Creek | 2022 | 14,429 | Good |
| S-e Ramp I-405 over SR 520 | 1993 | 14,260 | Good |
| Northup Way over Eastside Rail Corridor | 1987 | 14,250 | Fair |
| I-5 over N-w Ramp E-n Ramp | 1967 | 14,227 | Good |
| S-w Ramp over Southcenter Blvd | 1965 | 14,215 | Fair |
| SR 522 over W-s Ramp I-5 | 1962 | 14,052 | Fair |
| Cloverdale St over SR 509 | 1968 | 14,039 | Fair |
| Spring St Ramp over I-5 SB Col | 1964 | 14,032 | Fair |
| Klickitat Drive over SB Southcenter Pkwy | 2012 | 14,024 | Fair |
| S-e Ramp over 4TH Avenue | 2003 | 14,016 | Fair |
| 35TH Ave NE over Thorton Creek | 2014 | 13,900 | Good |
| 10TH Ave over SR 520 | 1962 | 13,800 | Fair |
| I-90 WB on Ramp over 224TH Ave NW & Trail | 1971 | 13,798 | Fair |
| I-5 Ramp over City Streets | 1964 | 13,703 | Fair |
| N-85th Ramp over I-5 | 1964 | 13,701 | Fair |
| 2 Ave Exten S over Railroad | 1928 | 13,700 | Poor |
| Main ST over Stormwater Facility | 2021 | 13,683 | Good |
| 140TH Ave NE over Kelsey Creek | 1972 | 13,668 | Good |
| SR 99 over Cloverdale St | 1959 | 13,545 | Fair |
| 4TH Ave S over Railroad Station | 1910 | 13,500 | Fair |
| East Marginal Way over Duwamish River | 1989 | 13,500 | Fair |
| NW Sammamish Road over Tributary 170 | 2008 | 13,500 | Good |
| Spokane St WB Lane over I-5 | 1967 | 13,457 | Fair |
| SR 203 over Deer Creek | 1946 | 13,456 | Good |
| SR 203 over Loutsis Creek | 2020 | 13,456 | Good |
| S178TH St over I-5 | 1964 | 13,400 | Good |
| Military Rd over I-5 | 1963 | 13,282 | Fair |
| I-5 over Terrain | 1962 | 13,125 | Good |
| Old Redmond Road over 138th AVE NE | 1970 | 13,100 | Fair |
| SR 203 over Clemons Creek | 2015 | 13,062 | Good |
| SR 99 Off Ramp over Ramp and Terrain | 2019 | 13,058 | Good |
| 15th Ave NE over Cowen Park Ravine | 1936 | 13,000 | Fair |
| S Albro Pl over Airport Way S RR | 1931 | 13,000 | Fair |
| I-5 S-w N-w Ramps over Airport Way | 1967 | 12,879 | Good |
| S-w Ramp over Lucile St & RR | 1967 | 12,879 | Good |
| Weyerhaeuser Way S over SR 18 | 1970 | 12,865 | Fair |
| SR 18 over Lake Creek | 2023 | 12,687 | Good |
| SR 202 over Snoqualmie River | 1980 | 12,682 | Fair |
| N-w Ramp over I-405 E-n S-n Ramps | 1966 | 12,607 | Fair |
| E-n Ramp over I-5 | 1966 | 12,553 | Good |
| SR 522 over North CR & Gillman Trail | 1960 | 12,517 | Good |
| SR 522 over North CR & Gillman Trail | 1967 | 12,517 | Good |
| Military Rd over SR 18 | 1958 | 12,502 | Good |
| 108TH Ave NE over Yarrow Creek | 2014 | 12,500 | Good |
| SW Admiral Way over Schmitz Blvd Ravine | 1935 | 12,500 | Fair |
| SR 520 E-n Ramp over 115th AVE NE & TRAIL | 1993 | 12,471 | Fair |
| SR 520 W-n Ramp over Northup Way | 1993 | 12,471 | Fair |
| Phinney Ave over N 57TH St | 1900 | 12,400 | Fair |
| SR 516 over Green River | 1984 | 12,389 | Good |
| SR 516 over Mullen Slough & Dirt Rd. | 1983 | 12,389 | Good |
| Lakemont Blvd over Lewis Creek | 1990 | 12,334 | Good |
| SR 509 over 1ST Ave S | 1961 | 12,319 | Good |
| SR 202 over S Fk Snoqualmie River | 1976 | 12,263 | Good |
| City St - 76TH Ave over I-90 | 1989 | 12,230 | Good |
| SR 99 over SR 509 | 2022 | 12,230 | Good |
| NE 124TH St over Snoqualmie River | 2000 | 12,222 | Good |
| NE Union Hill Rd. over Evans Creek | 2013 | 12,178 | Good |
| Pike St over I-5 | 1964 | 12,100 | Good |
| SR 99 over Mercer St | 2015 | 12,045 | Good |
| 66TH Ave S over I-405 | 1990 | 12,000 | Good |
| Ferry Trafic over Puget Sound @ Seattle | 2019 | 12,000 | Fair |
| NE 85TH Street over Sammamish River | 1985 | 12,000 | Fair |
| W Lk Sam Pkwy SE over Tibbetts Creek | 2001 | 12,000 | Good |
| Des Moines Mem Dr over SR 99 | 1959 | 11,989 | Fair |
| So 152ND St over SR 509 | 1971 | 11,984 | Good |
| 304TH St over SR 18 | 1997 | 11,963 | Good |
| SE 304TH St over Soosette Creek | 1997 | 11,963 | Good |
| So 160TH St over SR 509 | 1971 | 11,946 | Good |
| SR 522 over North CR & Gillman Trail | 1968 | 11,919 | Good |
| I-90 over City Streets | 1991 | 11,916 | Good |
| SR 18 over Holder CR Hobart Rd | 1961 | 11,615 | Good |
| SR 18 over Holder CR Hobart Rd | 1996 | 11,615 | Good |
| SR 202 over Kimball CR | 1924 | 11,531 | Fair |
| SR 202 over Meadowbrook Slough | 1995 | 11,531 | Good |
| SR 202 over Overflow Channel | 1925 | 11,531 | Fair |
| SR 202 over S Fk Snoqualmie R | 1936 | 11,531 | Fair |
| 77TH Ave SE over I-90 | 1989 | 11,507 | Good |
| Highlands Dr over I-90 E Fk Issaquah CR | 2003 | 11,503 | Good |
| SW Spokane St over W Waterway of Duwamish | 1991 | 11,500 | Fair |
| E-e Ramp over N-e Ramp From Front St | 2003 | 11,459 | Good |
| SR 169 over Green R | 1932 | 11,364 | Fair |
| SB I-405 Ramp over Benson Road | 2010 | 11,338 | Good |
| SR 520 Ramp over Portage Bay | 1963 | 11,169 | Fair |
| 5TH Ave NE over I-5 I-5 Express Lanes | 1964 | 11,036 | Fair |
| I-405 Nbcd over North Creek | 1998 | 11,022 | Good |
| SR 900 over Wetlands | 2002 | 11,002 | Good |
| I-90 W-n Ramp over 4TH Ave and Sound Trans | 2010 | 11,000 | Good |
| S 196TH St over UPRR 77TH Ave S Bnsfrr | 2000 | 11,000 | Fair |
| SW Spokane St over Klickitat E Marginal RR | 1991 | 11,000 | Fair |
| 96th Ave NE over KC Trail | 1989 | 10,916 | Good |
| SR 203 over Tolt River | 1977 | 10,906 | Fair |
| I-90 EB over I-90 WB | 1988 | 10,900 | Fair |
| Lind Ave (88TH Ave over I-405 | 1990 | 10,800 | Good |
| Olive Way over I-5 | 1962 | 10,759 | Good |
| SR 169 over Newaukum Creek | 1988 | 10,724 | Good |
| SR 164 over Pussyfoot Creek | 2021 | 10,707 | Good |
| Monster Road SW over Black River Channel | 1998 | 10,670 | Fair |
| I-5 over Terrain | 1962 | 10,636 | Fair |
| Southcenter Blvd over Green River | 1994 | 10,616 | Fair |
| Beacon-holgate over I-5 | 1966 | 10,600 | Fair |
| I-405 over Terrain | 1968 | 10,582 | Good |
| Woodinville Duvall over Duvall Slough | 1948 | 10,564 | Fair |
| Woodinville Duvall over Duvall Slough | 1948 | 10,564 | Fair |
| Woodinville Duvall over Duvall Slough | 1948 | 10,564 | Fair |
| Woodinville Duvall over Tuck Creek | 1948 | 10,564 | Fair |
| Woodinville-duvall over Snoqualmie River | 1951 | 10,564 | Fair |
| S Lucile St over RR Tracks | 1981 | 10,511 | Fair |
| NE W-d Rd over Tuck Creek | 2017 | 10,500 | Good |
| Woodinville Duvall over Tuck Creek | 2023 | 10,500 | Good |
| SR 202 over SR 202 over Skunk Creek | 2024 | 10,490 | Good |
| SR 203 over Cherry Creek | 1946 | 10,445 | Poor |
| SR 203 over Slough | 1945 | 10,445 | Fair |
| SR 203 over Slough | 1945 | 10,445 | Good |
| SR 203 over Slough | 1945 | 10,445 | Good |
| SR 203 over Slough | 1984 | 10,445 | Good |
| S 144TH St over I-5 Sound Transit RR | 1965 | 10,356 | Good |
| SR 167 SB Off-ramp over Springbrook Creek | 1986 | 10,341 | Good |
| E-n Ramp over City Street Nprr | 1959 | 10,336 | Fair |
| Ramp over Collector Distributor | 2004 | 10,323 | Good |
| Ramp 45TH to I-5 N over Ramp NB I-5 to 50TH | 1961 | 10,276 | Good |
| Strander Blvd over Green River | 1973 | 10,269 | Fair |
| Ferry Traffic over Puget Sound @ Seattle | 1990 | 10,212 | Good |
| Ferry Traffic over Puget Sound @ Seattle | 2019 | 10,212 | Fair |
| SR 203 over Slough | 1945 | 10,190 | Fair |
| SR 522 Ramp over Sammamish River | 1968 | 10,166 | Fair |
| S 156TH Way over Miller Creek | 2005 | 10,150 | Good |
| I-5 SB Hov Lane over Interurban Ave | 1996 | 10,117 | Good |
| I-405 NB Hov over I-90 Factoria | 1969 | 10,114 | Fair |
| I-5 S Ramp to 45TH over 50TH Ramp to I-5 S | 1961 | 10,013 | Good |
| SR 509 over N-n Ramp | 1968 | 10,009 | Fair |
| 16TH Ave S over Mcsorely Creek | 1951 | 10,000 | Fair |
| 16TH Ave S over Mcsorley Creek | 1951 | 10,000 | Fair |
| SE 256TH St over Jenkins Creek | 2002 | 10,000 | Fair |
| SE Issq-fall Cty over Wetland | 2021 | 10,000 | Good |
| SW Spokane St over E Marginal Way S | 1983 | 10,000 | Fair |
| SW Spokane St over E Marginal Way S | 1983 | 10,000 | Fair |
| Seneca St over I-5 | 1964 | 10,000 | Fair |
| Spokane Street over Spokane Street | 2012 | 10,000 | Good |
| Spring St over I-5 | 1964 | 10,000 | Fair |
| W Galer St over Elliott Ave W RR | 2000 | 10,000 | Fair |
| N-seneca Ramp over I-5 SB & City Streets | 1964 | 9,991 | Fair |
| I-405 S-w Ramp over Northup Way | 1966 | 9,907 | Good |
| S-w & S-e Ramps over 115TH Ave NE & Trail | 1966 | 9,907 | Good |
| I-405-sr 520 Nbcd over I-405 N-e & N-w Ramps | 2011 | 9,875 | Good |
| Waynita Drive NE over Sammamish River | 1947 | 9,869 | Good |
| I-90 E-s Ramp over I-5/AIRPORT Way Ramp | 1965 | 9,815 | Good |
| SR 203 over Drainage Channel | 1954 | 9,800 | Fair |
| SR 203 over Harris Creek | 1945 | 9,800 | Fair |
| Benson Road over I-405 | 2010 | 9,777 | Good |
| S-w Ramp over Campus Way NE | 2008 | 9,760 | Good |
| SR 202 over Snoqualmie River | 1931 | 9,740 | Poor |
| SR 202 over Tokul Creek | 1984 | 9,740 | Good |
| SR 160 over Puget Sound @ Fauntleroy | 1957 | 9,721 | Fair |
| SR 160 over Puget Sound @ Fauntleroy | 1984 | 9,721 | Good |
| Kamber Road over Richards Creek | 2005 | 9,709 | Fair |
| NE 185TH St over I-5 | 1964 | 9,704 | Fair |
| SE 180TH Ave over SR 18 | 1988 | 9,610 | Good |
| Harbor Ave SW over RR | 2001 | 9,546 | Fair |
| 3RD St SW over C St SW | 2002 | 9,500 | Fair |
| Oakesdale Ave SW over Black River Drain | 1987 | 9,500 | Fair |
| SR 203 over Drainage Channel | 1946 | 9,478 | Good |
| 102ND Ave over State Route 522 | 1950 | 9,464 | Poor |
| N-e Ramp over Cd Ramp and Terrain | 2011 | 9,425 | Good |
| W-w RAMP/3RD St over C St SW | 2002 | 9,417 | Good |
| I-5 over E-s Ramp Br | 1967 | 9,404 | Fair |
| Oakesdale Ave SW over Springbrook Creek | 1979 | 9,325 | Fair |
| Preston Fall City over Raging River | 1962 | 9,212 | Fair |
| SR 202 over Sammamish R | 1963 | 9,203 | Good |
| SR 202 over Sammamish R | 2019 | 9,203 | Good |
| 15TH Ave NE over Thornton CR Ravine | 1949 | 9,189 | Good |
| SE 28TH St over I-90 E-s Ramp | 1992 | 9,120 | Good |
| W. Sunset Wy over Issaquah Ck | 1996 | 9,100 | Good |
| Preston Fall City over Raging River | 1998 | 9,092 | Fair |
| Island Crest Way over I-90 | 1989 | 9,063 | Good |
| 16TH Ave SW over Klickitat Ave SW RR | 2001 | 9,000 | Good |
| SR 202 over Sammamish R | 1955 | 8,961 | Good |
| I-5 Ramp over Northgate Way | 1995 | 8,939 | Good |
| I-405 Ramp over Southcenter Blvd | 1994 | 8,919 | Good |
| Houser Way over Cedar River | 1960 | 8,902 | Fair |
| 51ST Ave S over SR 518 | 1966 | 8,894 | Fair |
| SE Aub-blk Dia Rd over Green River | 1970 | 8,871 | Fair |
| SR 167 SB Hov over SR 18 | 2016 | 8,847 | Good |
| SR 167 Off Ramp NB over Springbrook Creek | 1986 | 8,813 | Good |
| SW Spokane St over Duwamish River E Waterwy | 1976 | 8,800 | Fair |
| I-405 N-w Ramp over Sammamish R I-405 SR 5 | 1968 | 8,770 | Fair |
| S 156TH St over SR 509 | 1970 | 8,754 | Good |
| Issaquah-hobart Rd over Holder Creek | 1996 | 8,691 | Good |
| I-90 W-n Ramp over I-90 Wbcd | 1969 | 8,688 | Fair |
| NE 70th-ne 71ST St over I-5 | 1962 | 8,682 | Fair |
| SR 167 on Ramp SB over Garrison CR Tributary | 1986 | 8,661 | Good |
| S 154TH St over SR 518 | 1971 | 8,626 | Good |
| E-n Ramp over I-90 Highlands Dr | 2003 | 8,604 | Fair |
| E-n Ramp over SR 900 | 1997 | 8,589 | Good |
| Harbor Ave SW over SW Avalon Way & Railroad | 2001 | 8,535 | Good |
| S-s Ramp over 1ST Ave S | 1968 | 8,511 | Fair |
| East Mercer Way over I-90 | 1988 | 8,510 | Good |
| 108TH Ave SE over SE 274TH St | 1998 | 8,500 | Fair |
| 124 NE Ave NE over West Tributary | 2024 | 8,500 | Good |
| E-n Ramp SR 520 over I-405 & SR 520 | 1993 | 8,411 | Good |
| SR 520 E-n Ramp over Northup Way | 1993 | 8,411 | Good |
| N-w Ramp over SR 520 | 1966 | 8,364 | Good |
| Lind Ave SW over P9 Channel/panther Creek | 1981 | 8,345 | Fair |
| Sbcd Ramp over Collector Distributor | 2004 | 8,340 | Good |
| SW Spokane St over RR | 2001 | 8,297 | Good |
| S-albro Ramp over Terrain | 1966 | 8,293 | Fair |
| NE Park Dr over RR and Houser Way N | 1966 | 8,210 | Fair |
| Witte Road over Jenkins Creek | 2022 | 8,100 | Good |
| Witte Road over Park Trail | 1996 | 8,100 | Good |
| I-90 S-e Ramp over I-90 Mercer Slough | 1970 | 8,091 | Fair |
| 148TH St-w Ramp over I-90 Wbcd Ramp | 1973 | 8,050 | Good |
| SE 82ND St over I-90 | 1975 | 8,022 | Fair |
| 5TH Ave S over St Tunnel | 1910 | 8,000 | Fair |
| Alaskan Way South over BNSF RR | 2013 | 8,000 | Good |
| Colorado Ave over SR 99 | 2013 | 8,000 | Good |
| N-e Ramp over Trail | 2011 | 8,000 | Good |
| SE 256TH St over Soos Creek | 1927 | 8,000 | Fair |
| Yesler Way over 4TH Ave S | 1909 | 8,000 | Good |
| Ramp over I-90 Ramps City Street | 1973 | 7,946 | Good |
| 195TH Ave. NE over Tributary | 2012 | 7,945 | Good |
| Oakesdale Ave SW over Springbrook Creek | 1998 | 7,866 | Good |
| SR 203 over Creek | 1945 | 7,813 | Fair |
| SR 203 over Griffin CR | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1945 | 7,813 | Poor |
| SR 203 over Slough | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1945 | 7,813 | Poor |
| SR 203 over Slough | 1945 | 7,813 | Fair |
| SR 203 over Slough | 1986 | 7,813 | Good |
| NE 128TH St over NB I-405 | 2006 | 7,766 | Poor |
| NE 4TH Street over I-405 | 1987 | 7,745 | Good |
| Kent-blk Diamond over BNSF RR | 1931 | 7,700 | Poor |
| S136TH St over SR 509 | 1969 | 7,669 | Good |
| Ramp over Railroad Shared Use Path | 2023 | 7,611 | Good |
| Univ-n Ramp over I-5 | 1965 | 7,599 | Fair |
| SR 509 over SR 509/DES Moines Mem | 1979 | 7,555 | Good |
| N-e Ramp over 4TH Ave S | 2003 | 7,545 | Good |
| Rainier Blvd. N. over East Fork Issaquah Creek | 2004 | 7,500 | Good |
| Yesler Way over I-5 | 1965 | 7,500 | Fair |
| 436TH Ave SE over S Fk Snoqualmie | 1971 | 7,491 | Fair |
| W-n I-90 Ramp over Pedestrian-bike Path | 1988 | 7,337 | Good |
| SR 160 over Puget Sound @ Pt Vashon | 1957 | 7,310 | Fair |
| Kent-blk Diam Rd over Big Soos Creek | 1931 | 7,293 | Fair |
| N-w Ramp over I-405 N-e Ramp | 2015 | 7,291 | Good |
| 436TH Ave SE over I-90 | 1976 | 7,288 | Fair |
| 292ND Ave SE over Patterson Creek | 2012 | 7,269 | Good |
| I-5 Nbcd over SR 104 | 1963 | 7,260 | Fair |
| Yesler Way over 5TH Ave S | 1912 | 7,215 | Fair |
| N 85TH to SB I-5 over I-5 SB Ramp to NE 80TH | 1964 | 7,194 | Good |
| SR 202 over Patterson Creek | 1930 | 7,187 | Fair |
| SR 202 over Patterson Crk East Trib | 2020 | 7,187 | Good |
| I-405 Ramp over Southcenter Blvd | 1994 | 7,007 | Good |
| Ramp Access Road over Green River | 1994 | 7,007 | Good |
| Lakeview Blvd over I-5 | 1963 | 7,000 | Good |
| NE 30TH St over SR 405 | 1981 | 6,937 | Good |
| N-e Ramp over SE 8TH St | 2003 | 6,904 | Good |
| I-5 Hov Lanes over I-405 NB Ramps | 1996 | 6,898 | Good |
| I-5 NB Hov over Southcenter Blvd | 1996 | 6,898 | Good |
| S 317TH St over SB I-5 Ramp | 2006 | 6,850 | Good |
| 73RD Ave NE over Swamp Creek | 2005 | 6,800 | Good |
| I-5 SB Hov over Klickitat Dr | 1996 | 6,692 | Good |
| W-s Ramp over I-5 Mainline and Ramps | 1967 | 6,684 | Fair |
| I-5 Sbcd over SR 104/205TH St | 1995 | 6,627 | Good |
| 124TH Ave NE over Sound Transit Light Rail | 2019 | 6,597 | Good |
| 124th Ave SE over Storwater Facility | 2021 | 6,597 | Good |
| US 2 over Stream | 1986 | 6,540 | Good |
| Dearborn-n Ramp over I-5 Nbcd | 1965 | 6,516 | Good |
| Roanoke St over I-5 | 1962 | 6,500 | Fair |
| S 116TH St over Drainage Ditch-relief | 2020 | 6,500 | Good |
| W North Bend Way over Gardiners Creek | 1941 | 6,500 | Fair |
| W North Bend Way over Ribary Creek | 1941 | 6,500 | Fair |
| W North Bend Way over S Fork Snoqualmie River | 1941 | 6,500 | Fair |
| US 2 over Beaver Creek | 1986 | 6,441 | Good |
| US 2 over Bnrr | 1986 | 6,441 | Good |
| US 2 over Slough | 1989 | 6,441 | Good |
| US 2 over Stream | 1937 | 6,441 | Fair |
| US 2 over Stream | 1937 | 6,441 | Fair |
| US 2 over Stream | 1937 | 6,441 | Good |
| US 2 over Stream | 1937 | 6,441 | Fair |
| US 2 over Stream | 1937 | 6,441 | Fair |
| US 2 over Stream | 1988 | 6,441 | Good |
| US 2 over Stream | 1988 | 6,441 | Good |
| S 129TH St over I-5 | 1966 | 6,386 | Poor |
| NE Lk Wash. Blvd over Meydenbauer Beach Park | 2002 | 6,267 | Good |
| US 2 over Slough | 1986 | 6,180 | Good |
| US 2 over Stream | 1986 | 6,180 | Good |
| SE 216TH Way over Cedar River Trail | 1994 | 6,082 | Good |
| I-5 over 6th-s Ramp Br | 1967 | 6,076 | Fair |
| SR 18 Ramp over Soosette Creek | 1997 | 6,021 | Good |
| US 2 over S Fk Skykomish River | 1938 | 6,019 | Fair |
| SE May Valley Road over May Creek | 2010 | 6,018 | Good |
| SE 24TH St over Wetland | 1968 | 6,000 | Fair |
| Redmond Ridge NE over Wetland | 2001 | 5,998 | Good |
| W. Snoq Valley Rd over Tuck Creek | 1999 | 5,973 | Fair |
| Cedar Grove Rd over Cedar River | 1962 | 5,971 | Fair |
| W-n Ramp over Terrain | 1967 | 5,951 | Good |
| I-5 N - 6TH Ramp over E-6th Ramp EB Lanes | 1967 | 5,855 | Fair |
| I-5 Ramp over Terrain | 1967 | 5,855 | Fair |
| SE North Bend Way over Kimball Creek | 1941 | 5,809 | Good |
| US 2 over Anthracite Creek | 1940 | 5,782 | Poor |
| US 2 over S Fork Skykomish River | 1940 | 5,782 | Fair |
| US 2 over Alpine Creek | 1998 | 5,692 | Good |
| US 2 over Creek | 1998 | 5,692 | Fair |
| E-n Ramp over I-5 | 1965 | 5,684 | Good |
| US 2 over Deception CR | 1940 | 5,641 | Fair |
| US 2 over Tye River | 1947 | 5,641 | Good |
| US 2 over Tye River | 1998 | 5,641 | Good |
| I-5 over Terrain | 1967 | 5,638 | Fair |
| So 146TH St over SR 509 | 1970 | 5,632 | Good |
| E Marginal Way over SR 599 | 1967 | 5,600 | Good |
| US 2 over Bn RR (gn) Scenic | 1990 | 5,590 | Fair |
| US 2 over Tye River | 1947 | 5,590 | Good |
| 37TH St NW over SR 167 | 1971 | 5,527 | Good |
| 4TH Ave NW over North Fork Issaquah CR | 2011 | 5,500 | Good |
| SE 62ND Street over Issaquah Creek | 2019 | 5,500 | Good |
| Lake Wa Blvd over May Creek | 1996 | 5,478 | Good |
| S 208TH St over SR 167 & Springbrook CR | 1963 | 5,460 | Good |
| I-5 over Sbcd NE110TH St | 1964 | 5,437 | Fair |
| S-w Ramp over Airport Way S | 1966 | 5,379 | Fair |
| NE 95th St over Stensland Creek | 2010 | 5,360 | Good |
| Landsburg Road over Cedar River | 1982 | 5,335 | Good |
| 120TH Ave NE over Sound Transit Light Rail | 2017 | 5,298 | Good |
| 120th Ave NE over Stormwater Facility | 2016 | 5,298 | Good |
| Princeton Ave NE over Burke Gilman Trail | 2002 | 5,233 | Good |
| Veterans Dr. over Green River | 2006 | 5,200 | Good |
| 8TH Ave N to I-5 N over I-5 N Ramp to SR 522 E | 1963 | 5,197 | Fair |
| SR 18 Ramp over Holder CR | 1960 | 5,021 | Fair |
| I-5 Ramp over Pedestrian Path | 1963 | 5,002 | Fair |
| 24TH Ave SW over Longfellow Creek | 1988 | 5,000 | Good |
| 72ND Avenue South over Mill Creek | 2017 | 5,000 | Good |
| Cumberlnd-kanaskat over BNSF RR | 1959 | 5,000 | Fair |
| Delmar Drive over SR 520 | 1963 | 5,000 | Good |
| I-405 N-e Ramp over Northup Way | 2011 | 5,000 | Good |
| I-405 N-e Ramp over SR 520 Ramps | 2011 | 5,000 | Good |
| NE 92ND St over I-5 | 1964 | 5,000 | Fair |
| SR 167 Flyover over I-405 NB SR 167 NB | 2018 | 5,000 | Good |
| SR 518 EB Off Ramp over 8TH Ave | 2018 | 5,000 | Good |
| 8TH Ave over I-5 | 1964 | 4,900 | Fair |
| SE 244 St over Soos Creek | 2009 | 4,883 | Good |
| Vashon Hwy SW over Judd Creek | 1953 | 4,818 | Fair |
| W Main St over SR 167 | 1972 | 4,818 | Fair |
| I-5 over Terrain | 1969 | 4,737 | Good |
| 244TH Ave SE over Newaukum Creek | 1928 | 4,723 | Fair |
| SR 160 over Puget Sound @ Pt Vashon | 1997 | 4,675 | Good |
| SR 520 N-e Ramp over W L Sammamish Pkwy/river | 2010 | 4,606 | Good |
| Cedar Grove Rd over Issaquah Creek | 1962 | 4,568 | Fair |
| SE Jones Road over Cedar River & Trail | 2003 | 4,560 | Good |
| N.w.dogwood St over Issaquah Ck | 2015 | 4,500 | Good |
| I-5 Exp Ramp over I-5 NB I-5 Express Ramp | 1962 | 4,447 | Good |
| NE 60TH Street over Sound Transit | 2024 | 4,435 | Good |
| North Creek Pkwy over North Creek | 1984 | 4,323 | Fair |
| 148TH Ave SE over Soos Creek | 1971 | 4,306 | Fair |
| Cell Phone Ramp over S 170TH | 1972 | 4,300 | Fair |
| SE May Valley Rd over Fifteen Mile Creek | 1932 | 4,279 | Poor |
| SE May Valley Rd over Issaquah Creek | 2009 | 4,279 | Good |
| 51ST Ave South over Southcenter Blvd | 1996 | 4,180 | Fair |
| SR 518 over N-w Ramp SR 518 | 1971 | 4,108 | Fair |
| I-5 Ramp over Terrain | 1967 | 4,018 | Good |
| 28TH to 24TH Ave S over Terrain (future SR 509) | 2017 | 4,000 | Good |
| Covington Way SE over SR 18 | 1997 | 4,000 | Good |
| E-s Ramp over Building Parking Lot | 2003 | 4,000 | Good |
| W Garfield St Ramp over 16TH Ave W | 1991 | 4,000 | Fair |
| I-5 over Terrain | 1964 | 3,999 | Fair |
| N-w Ramp over Railroad | 1967 | 3,978 | Good |
| NB Ramp over N-e Ramp | 1975 | 3,951 | Good |
| SR 167 Ramp over SR 18 | 1974 | 3,951 | Fair |
| Lake Washington Bv over I-405 | 1965 | 3,937 | Fair |
| SR 509 over Joes Creek | 1929 | 3,913 | Fair |
| NE 6TH St over 114TH Ave NE I-405 | 2004 | 3,912 | Good |
| SR 520 W-n Ramp over Sammamish Pkwy/river | 2010 | 3,902 | Good |
| 148TH Ave SE over May Creek | 1951 | 3,900 | Poor |
| WB SR 18 to 304TH over Soosette Creek | 1997 | 3,899 | Good |
| SR 509 over Thames Creek/ped Trail | 1929 | 3,869 | Fair |
| 212TH Way SE over Green River | 1991 | 3,862 | Fair |
| I-5 over Terrain | 1963 | 3,835 | Good |
| I-5 Ramp over Airport Way S | 1967 | 3,824 | Fair |
| I-90 Ramp over E Fk Issaquah Creek | 1976 | 3,805 | Fair |
| W-s Ramp I-90 over I-90 | 1976 | 3,805 | Fair |
| Ferry Traffic over Puget Sound @ Seattle | 1971 | 3,800 | Fair |
| W Garfield St Ramp over 16TH Ave W | 1992 | 3,800 | Fair |
| 256TH St over SR 18 | 2002 | 3,706 | Fair |
| 15 SW to Supermall over 15TH St SW | 1995 | 3,700 | Good |
| SE 400TH St over Newaukum Creek | 1927 | 3,694 | Fair |
| Fairview Ave N over Union Bay | 2021 | 3,600 | Good |
| Macadam Road S. over S 133RD | 1997 | 3,600 | Fair |
| Main St over I-405 | 2023 | 3,519 | Good |
| Marine View Dr over Saltwater State Park | 1934 | 3,507 | Fair |
| Forest Dr over Coal Creek | 1989 | 3,505 | Fair |
| SE Mt. Si Rd over Mf Snoqualmie R | 2008 | 3,500 | Good |
| I-90 over Mercer Slough | 1970 | 3,203 | Fair |
| 3RD St SW over Sound Transit P&r Access | 2002 | 3,200 | Fair |
| NE 60TH St over SR 520 | 1980 | 3,200 | Good |
| NE Tolt Hill Rd over Snoqualmie River | 2008 | 3,200 | Fair |
| Royal Brougham Way over Railroad | 2010 | 3,200 | Good |
| Veazie-cumberland over Coal Creek | 1950 | 3,189 | Fair |
| 42ND Ave So over Duwamish River | 1949 | 3,185 | Poor |
| 80TH Ave over I-90 | 1988 | 3,102 | Fair |
| Kelly Rd NE over Harris Creek | 2005 | 3,101 | Good |
| Mcgraw St over Ravine | 1935 | 3,000 | Fair |
| S 218TH Street over Garrison Creek | 2019 | 3,000 | Good |
| Saybrook Drive NE over Bear Creek | 1992 | 3,000 | Good |
| I-90 Ramp over W Lake Sammamish Pkwy | 1972 | 2,956 | Fair |
| North Creek Pkwy over North Creek | 1984 | 2,939 | Good |
| 384TH Ave SE over Kimball Creek | 1971 | 2,930 | Fair |
| North Mercer Way over I-90 | 1989 | 2,922 | Good |
| 56TH Ave So over Duwamish River | 1985 | 2,900 | Fair |
| NE 165TH Street over Cottage Lake Creek | 2010 | 2,900 | Good |
| 284TH Ave. SE over Newaukum Creek | 2012 | 2,855 | Good |
| Ramp over E Issaquah Creek | 2003 | 2,855 | Good |
| N.W. Juniper St. over Issaquah Creek | 2005 | 2,800 | Good |
| US 2 over Tunnel Creek | 1941 | 2,795 | Good |
| US 2 over Tunnel Creek | 1985 | 2,795 | Good |
| NE Cherry Vly Rd over Cherry Creek | 1960 | 2,704 | Fair |
| 244TH Ave NE over Wetland | 2010 | 2,700 | Good |
| Aberdeen Ave NE over SR 900 | 1967 | 2,700 | Good |
| Sylvester Road SW over Fox Creek | 2012 | 2,700 | Good |
| SR 160 over Puget Sound | 1993 | 2,635 | Fair |
| 135TH Ave NE over Woodin Creek | 2018 | 2,570 | Good |
| 24TH Ave S over SR 518 Ramps | 1970 | 2,564 | Fair |
| Exp N to 42ND Ramp over Pasadena Pl NE | 1962 | 2,542 | Good |
| I-5 over Sdot Maintenance Yard | 1966 | 2,510 | Good |
| 45TH Ave NE over Thornton Creek | 1949 | 2,500 | Fair |
| SE Green Valley Rd over Green River | 1950 | 2,500 | Fair |
| 72ND Ave SE over First Hill Lid | 1992 | 2,472 | Good |
| Meadowbrook Way SE over Snoqualmie River | 1921 | 2,458 | Poor |
| I-90 Ramp over Mercer Slough I-90 | 1995 | 2,421 | Good |
| SE 66TH St over North Fork Issaquah Crk | 1973 | 2,350 | Fair |
| 134TH Ave NE over Kelsey Creek | 1987 | 2,329 | Good |
| S-s Ramp over SR 515 | 2017 | 2,326 | Good |