| I95 / Jfk Mem Hgwy over Norfolk Southern | New Castle | 117,657 | Fair | 1962 |
| I 95 NB over Christina Creek | New Castle | 109,932 | Fair | 1962 |
| I 95 SB over Christina Creek | New Castle | 109,932 | Fair | 1962 |
| I95sb/jfk Mem Hgwy over Sr1/korean War Vet Mem | New Castle | 103,953 | Fair | 1963 |
| I 95 NB over Sr1/korean War Vet Mem | New Castle | 103,953 | Fair | 1963 |
| I 495 over Terminal AVE RD 359 | New Castle | 101,111 | Fair | 1972 |
| I 95 NB over I 95 I 495 S To I 295 N | New Castle | 95,743 | Fair | 1966 |
| I 95 NB over I 295 SB | New Castle | 95,743 | Fair | 1959 |
| I 95 over Christina River | New Castle | 90,773 | Fair | 1965 |
| I 95 over Norfolk Southern | New Castle | 90,773 | Fair | 1962 |
| I 95 over Little Mill Creek | New Castle | 90,773 | Good | 1962 |
| Korean War Vet Mem over C&d Canal Rd. 412 | New Castle | 90,068 | Fair | 1995 |
| I 495 over Christina River N/s Rr | New Castle | 89,020 | Fair | 1974 |
| Ramp 6107 over I 295 SB | New Castle | 84,782 | Fair | 1960 |
| I 495 SB over I 95 NB | New Castle | 84,782 | Poor | 1965 |
| I 95 RD 59 over Brandywine Ck | New Castle | 81,849 | Fair | 1964 |
| Vietnam Mem Hgwy over So.branch-naamans Creek | New Castle | 79,365 | Good | 1966 |
| I 495 over Hollyoak Creek | New Castle | 77,223 | Fair | 1972 |
| I 495 SB over I 95 & Ramp 6202 | New Castle | 73,566 | Fair | 1966 |
| I 495 NB over Norfolk Southern&amtrak | New Castle | 70,978 | Fair | 1976 |
| I 495 SB over Norfolk Southern&amtrak | New Castle | 69,555 | Fair | 1976 |
| I 295 NB over US 13 NB | New Castle | 65,419 | Fair | 1958 |
| I 295 SB over Us13 & I295s-us13sb Ramp | New Castle | 65,419 | Fair | 1958 |
| Rockland RD over Wilson Run | New Castle | 64,449 | Fair | 1925 |
| I 95 over City Streets & Amtrak | New Castle | 63,420 | Fair | 1964 |
| I 95 NB over SR 4 | New Castle | 63,420 | Fair | 1964 |
| I 95 SB over SR 4 & SR 48 | New Castle | 63,420 | Fair | 1964 |
| Basin Rd/sr 141 NB over I 95 & 6089 | New Castle | 61,997 | Good | 2020 |
| Basin Rd/sr 141 SB over I 95 & 6089 | New Castle | 61,997 | Good | 2020 |
| I95 Sb/jfk Mem Hgy over Christina Creek | New Castle | 60,033 | Fair | 1962 |
| I95 Nb/jfk Mem Hgy over SR 72/s. Chaper St. | New Castle | 60,033 | Fair | 1963 |
| I95 Nb/jfk Mem Hgy over Christina Creek | New Castle | 60,032 | Fair | 1962 |
| I 95 NB over Silverside RD | New Castle | 59,526 | Fair | 1967 |
| Jfk Mem Hgy/i95 SB over Sr72 | New Castle | 58,828 | Fair | 1963 |
| Basin Rd/sr 141 NB over I 95 & I 295 NB & 6099 | New Castle | 54,605 | Good | 2017 |
| Jfk Mem Hgwy/i95 over So.branch Naamans Creek | New Castle | 52,875 | Good | 1966 |
| I 495 SB over 84"pipe/drainage Swale | New Castle | 51,844 | Good | 1976 |
| SR 141 over Christina R. Amtrak SR 4 | New Castle | 51,552 | Fair | 1978 |
| SR 141 over Csx Railroad | New Castle | 50,659 | Fair | 1979 |
| I 295 S & US 40 W over Delaware River | New Castle | 50,098 | Fair | 1968 |
| I 495 NB over Pedestrian Path | New Castle | 49,980 | Fair | 1965 |
| I 295 N & US 40 E over Delaware River | New Castle | 49,755 | Fair | 1951 |
| Sr1 Southbound over Scott Run | New Castle | 49,360 | Fair | 1994 |
| Korean War Mem Hgy over Scott Run | New Castle | 49,359 | Fair | 1994 |
| I 295 SB RD 56 over Norfolk Southern | New Castle | 49,079 | Fair | 1966 |
| I 295 N & US 40 E over Norfolk Southern | New Castle | 49,079 | Good | 1951 |
| Sr7 & Sr4 over White Clay Creek | New Castle | 49,077 | Fair | 1981 |
| SR 7 / SR 4 over White Clay Creek | New Castle | 49,077 | Fair | 1981 |
| Basin Rd/sr 141 over RD 333 Centerville RD | New Castle | 47,029 | Good | 1974 |
| Jfk Mem Hgwy/i95 over Shellpot Creek | New Castle | 46,639 | Fair | 1966 |
| SR 1 over US 40 | New Castle | 46,484 | Good | 1990 |
| SR 1 over US 40 | New Castle | 46,484 | Good | 1990 |
| SR 1 over School Bell RD | New Castle | 46,484 | Good | 1990 |
| SR 1 over School Bell RD | New Castle | 46,484 | Good | 1990 |
| Korean War Mem Hgy over Sr273/hares Corner RD | New Castle | 46,484 | Good | 1992 |
| Korean War Mem Hgy over SR 273/hares Corner RD | New Castle | 46,484 | Fair | 1992 |
| Concord Pike/us202 over Faulk Rd. | New Castle | 45,381 | Good | 2006 |
| Sr141 & Ramp over SR 2 Kirkwood Hwy. | New Castle | 45,289 | Fair | 1972 |
| I 495 SB over US 13 | New Castle | 44,899 | Fair | 1975 |
| I 495 NB over US 13 | New Castle | 44,899 | Fair | 1975 |
| Vietnam Vet Mem Hy over Norfolk Southern | New Castle | 44,784 | Fair | 1975 |
| Vietnam Vet Mem Hy over Norfolk Southern | New Castle | 44,783 | Fair | 1975 |
| I 495 NB over Shellpot Creek | New Castle | 44,775 | Fair | 1975 |
| I 495 SB over Shellpot Creek | New Castle | 44,775 | Fair | 1975 |
| Sr1 over Eagle Run | New Castle | 44,586 | Fair | 1992 |
| Sr1 over Eagle Run | New Castle | 44,586 | Fair | 1992 |
| I 495 SB over Sr9 | New Castle | 43,999 | Fair | 1972 |
| I 495 NB over Sr9 | New Castle | 43,998 | Fair | 1972 |
| Korean War Mem Hgy over Christina River | New Castle | 43,443 | Good | 1992 |
| Limestone RD / Sr7 over Csx Railroad | New Castle | 43,221 | Fair | 1960 |
| SR 1 over US 13 | New Castle | 42,970 | Fair | 1990 |
| SR 1 over SR 71 | New Castle | 42,970 | Fair | 1990 |
| I 495 NB over Edgemoor RD | New Castle | 42,783 | Fair | 1975 |
| I 495 SB over Edgemoor RD | New Castle | 42,783 | Fair | 1975 |
| Kirkwood Hwy/sr2 over Centerville Rd. | New Castle | 42,676 | Fair | 1975 |
| Concord Pike/us202 over East Park Dr. | New Castle | 42,026 | Good | 2006 |
| Dupont Hwy/us13 over Army Creek | New Castle | 40,517 | Fair | 1922 |
| Bay Road / Us113 over St. Jones River | Kent | 39,952 | Fair | 1984 |
| Korean War Vet Mem over Red Lion Creek | New Castle | 39,892 | Good | 1994 |
| Korean War Vet Mem over Red Lion Creek | New Castle | 39,892 | Good | 1996 |
| I 495 SB over N/s Rr -abandoned | New Castle | 39,655 | Fair | 1965 |
| I 495 SB over Ramp 6217 | New Castle | 39,655 | Fair | 1975 |
| Dupont Hwy/us13 over Isaacs Branch | Kent | 38,782 | Fair | 1952 |
| Concord Pk/us202 over Rocky Run | New Castle | 38,705 | Good | 1987 |
| SR 1 over Sr7 / Bear-corbit Rd. | New Castle | 38,437 | Good | 1995 |
| SR 1 over SR 7 / Bear-corbit Rd. | New Castle | 38,437 | Good | 1995 |
| Korean War Vet Mem over Stoney Creek | New Castle | 37,755 | Fair | 1972 |
| I 495 SB over Stoney Creek | New Castle | 37,754 | Fair | 1972 |
| Korean War Vet Mem over Sr10/e. Lebanon Rd. | Kent | 37,408 | Good | 1993 |
| Christina Parkway over Amtrak & Conrail | New Castle | 36,174 | Fair | 1980 |
| SR 1 Northbound over Dragon Creek | New Castle | 36,078 | Good | 1995 |
| SR 1 SB over Dragon Creek | New Castle | 36,078 | Good | 1995 |
| Stanton Christiana over Churchmans Rd/sr58 | New Castle | 36,047 | Good | 1997 |
| Stanton Christiana over Churchmans RD | New Castle | 36,046 | Good | 1997 |
| I 495 NB over 84" Sewer Pipe | New Castle | 35,603 | Good | 1976 |
| Coastal Hgwy/sr1nb over Ped Path | Sussex | 35,563 | Fair | 1967 |
| Coastal Hwy/sr1 SB over Ped Path | Sussex | 35,563 | Fair | 1967 |
| Korean War Vet Mem over Norfolk Southern/ RD 381 | New Castle | 34,634 | Fair | 1990 |
| Korean War Vet Mem over Norfolk Southern/ RD 381 | New Castle | 34,634 | Fair | 1990 |
| Limestone RD / Sr7 over Mill Creek | New Castle | 33,443 | Fair | 1962 |
| Sr1 Northbound over Christina River | New Castle | 33,277 | Good | 1992 |
| SR 273 over I 95 Delaware Turnpike | New Castle | 33,185 | Fair | 1971 |
| Jfk Mem Hgy/i95 SB over Talley Road | New Castle | 33,081 | Fair | 1968 |
| Jfk Mem Hgy/i95 NB over Talley Road | New Castle | 33,081 | Fair | 1968 |
| Jfk Mem Hgwy/i95sb over Csx Railroad | New Castle | 33,081 | Fair | 1968 |
| I 95 NB over Shipley RD | New Castle | 33,081 | Fair | 1968 |
| I 95 SB over Shipley RD | New Castle | 33,081 | Fair | 1968 |
| Kirkwood Hwy/sr2 over Mill Creek | New Castle | 32,691 | Fair | 1949 |
| Concord Pk/us202 over I 95 | New Castle | 32,565 | Fair | 1967 |
| Jfk Mem Hgy/i95nb over Csx Railroad | New Castle | 32,346 | Fair | 1968 |
| Main Street/sr4 over Calf Run | New Castle | 32,282 | Good | 1967 |
| Kirkwood Hwy/sr2 over Pike Creek | New Castle | 32,040 | Fair | 1948 |
| Basin Rd. / SR 141 over Ramp SR 2wb To SR 141sb | New Castle | 31,623 | Fair | 1972 |
| Coastal Hwy/sr1 SB over Lewes Rehoboth Canal | Sussex | 31,200 | Fair | 1978 |
| US 13 N & SR 20 W over Williams Pond | Sussex | 31,002 | Fair | 1952 |
| I 495 NB over Ramp 6217 | New Castle | 30,758 | Fair | 1975 |
| SR 1 Northbound over Norfolk Southern | New Castle | 30,557 | Good | 1995 |
| SR 1 SB over Norfolk Southern | New Castle | 30,557 | Good | 1995 |
| I 95 SB over SR 3 Marsh RD | New Castle | 30,439 | Fair | 1967 |
| I 95 SB over Silverside RD | New Castle | 30,439 | Fair | 1967 |
| I95sb - Sr1sb Ramp over Stanton Christiana RD | New Castle | 29,714 | Good | 2014 |
| Kirkwood Hwy/sr2 over Chestnut Run | New Castle | 29,701 | Good | 1939 |
| Elkton Rd/sr2 over West Branch | New Castle | 29,655 | Fair | 1968 |
| I95sb - Sr1sb Ramp over I95 Jfk Mem HWY | New Castle | 29,239 | Good | 2014 |
| Center Rd/sr141 over Little Mill Creek | New Castle | 28,927 | Good | 2010 |
| South Market ST over Christina River | New Castle | 28,795 | Fair | 1927 |
| S. Walnut St. over Christina River | New Castle | 28,725 | Fair | 1957 |
| Sr1nb-i95nb Ramp over Sr7 | New Castle | 28,576 | Good | 2013 |
| Us13nb/dupont Pky over Drawyers Creek | New Castle | 28,234 | Fair | 1933 |
| Korean Vet Mem HWY over Pine Tree RD | New Castle | 28,060 | Fair | 2003 |
| Korean Vet Mem HWY over Black Diamond RD | New Castle | 28,060 | Fair | 2003 |
| Korean Vet Mem HWY over Black Diamond RD | New Castle | 28,060 | Fair | 2003 |
| Sr1 Korean War HWY over Harris Rd. | New Castle | 28,060 | Good | 1999 |
| Library Ave/sr 72 over Amtrak | New Castle | 27,688 | Fair | 1979 |
| Sr1/korean Vet War over RD 331/dyke Branch RD | Kent | 27,639 | Fair | 1992 |
| Kirkwood Hwy/sr2 over Little Mill Creek | New Castle | 27,573 | Good | 1939 |
| Korean Vet Mem HWY over US 13 (dupont Blvd) | New Castle | 27,318 | Fair | 1993 |
| Korean Vet Mem HWY over US 13 (dupont Blvd) | New Castle | 27,318 | Good | 1993 |
| Basin Rd/sr 141 SB over I 95 & I 295 & 6099 | New Castle | 27,302 | Good | 2017 |
| Kirkwood Hgwy/sr2 over Csx Silver Run | New Castle | 26,585 | Fair | 1949 |
| I 95 SB over Darley RD | New Castle | 26,438 | Fair | 1966 |
| I 95 NB over Glenrock Drive | New Castle | 26,437 | Fair | 1966 |
| Korean Vet Mem HWY over Dupont Hgwy/ Us13 | New Castle | 26,437 | Fair | 2003 |
| Korean Vet Mem HWY over Dupont Hgwy/us13 | New Castle | 26,437 | Good | 2002 |
| Sr7 & Sr4 over Amtrak | New Castle | 26,432 | Fair | 1983 |
| SR 7 / SR 4 over Amtrak | New Castle | 26,432 | Fair | 1983 |
| Korean War Vet HWY over Big Oak RD | Kent | 26,405 | Fair | 1992 |
| US 40 /pulaski HWY over Trib. To Army Creek | New Castle | 26,146 | Good | 1999 |
| Elkton Rd/sr2 over Christina Creek | New Castle | 26,000 | Fair | 1968 |
| Sr273 / Ogletown R over Amtrak | New Castle | 25,799 | Fair | 1997 |
| S. Walnut St/us13 over Norfolk Southern | New Castle | 25,312 | Fair | 1938 |
| Sr1 / Coastal Hgwy over Indian River Inlet | Sussex | 24,984 | Good | 2012 |
| Ramp; I95nb-us202n over Concord Pike | New Castle | 24,797 | Good | 2013 |
| I95 NB To Us202 NB over I95 SB Ramp To SB 202 | New Castle | 24,797 | Good | 2013 |
| I 95 NB To US 202n over I 95 | New Castle | 24,797 | Good | 2013 |
| I 95 SB over Glenrock Drive | New Castle | 24,438 | Fair | 1966 |
| I 95 NB over SR 3 Marsh RD | New Castle | 24,368 | Fair | 1967 |
| SR 1 (nb) over Drawyer Creek | New Castle | 24,315 | Good | 1999 |
| SR 1 (sb) over Drawyer Creek | New Castle | 24,315 | Good | 1999 |
| Us113/dupont BLVD over Betts Pond | Sussex | 24,039 | Fair | 1912 |
| Capital Trail/sr2 over Muddy Run | New Castle | 24,026 | Fair | 1948 |
| Dupont Blvd/us113 over Wartons Branch | Sussex | 23,985 | Fair | 1911 |
| Lancaster Pk/sr48 over Csx Railroad | New Castle | 23,743 | Good | 1900 |
| US 113/dupont BLVD over Vines Creek | Sussex | 23,620 | Fair | 1948 |
| Naamans Rd/sr92 over I 495 Southbound | New Castle | 23,535 | Fair | 1966 |
| Naamans Rd/sr92 over I 95/john F. Kennedy | New Castle | 23,535 | Fair | 1966 |
| Dupont Hwy/us13 over Mill Creek | Kent | 23,499 | Good | 1940 |
| Korean War Vet HWY over Appoquinimink River | New Castle | 23,428 | Fair | 1999 |
| Sussex Hgwy / Us13 over Gravelly Run | Sussex | 23,386 | Fair | 1951 |
| US 113 & Sr1 SB over Murderkill River | Kent | 23,353 | Fair | 1965 |
| Us113 & Sr1 NB over Murderkill River | Kent | 23,353 | Fair | 1965 |
| Sussex Hwy/us13 NB over Records Pond | Sussex | 23,291 | Good | 1951 |
| Sussex HWY / Us13 over Records Pond | Sussex | 23,291 | Good | 1951 |
| Sr141/barley Mill over Brandywine Creek RD 260 | New Castle | 23,185 | Fair | 1951 |
| Capitol Trail/sr2 over White Clay Creek | New Castle | 23,150 | Fair | 1955 |
| Del 896 Us71 301s over C&d Canal | New Castle | 23,111 | Fair | 1959 |
| Us13/dupont Hwgy over Puncheon Run | Kent | 22,808 | Fair | 1951 |
| SR 1 over US 13 | New Castle | 22,721 | Fair | 1999 |
| SR 1 over US 13 | New Castle | 22,720 | Fair | 1999 |
| Dupont Hwy/us13 over St. Jones River | Kent | 22,690 | Fair | 1951 |
| Sr1 SB over Bowers Beach RD | Kent | 22,305 | Good | 2019 |
| Sr1 NB over Bowers Beach RD | Kent | 22,305 | Good | 2019 |
| Dupont BLVD / Us13 over Smyrna River/duck Creek | Kent | 22,296 | Fair | 1995 |
| Korean War Vet HWY over Duck Creek | Kent | 22,108 | Good | 1993 |
| Korean War Mem HWY over Duck Creek | Kent | 22,108 | Good | 1993 |
| Kirkwood Hwy/sr2 over Trib To Little Mill Crk | New Castle | 21,909 | Good | 1949 |
| Sr1nb-i95nb Ramp over I95 NB | New Castle | 21,756 | Good | 2013 |
| Naamans Rd/sr92 WB over Csx Railroad | New Castle | 21,745 | Fair | 1992 |
| Sr72/wrangle Hill over SR 1 | New Castle | 21,742 | Good | 1995 |
| Old Baltimore Pike over Trib. To Smalleys Dam | New Castle | 21,680 | Good | 1992 |
| Rehoboth AVE over Lewes-rehoboth Canal | Sussex | 21,673 | Fair | 1986 |
| Sr1 NB over S. Little Creek RD | Kent | 21,437 | Good | 1993 |
| Sr1 SB over S. Little Creek RD | Kent | 21,252 | Good | 1993 |
| Korean War Vet Hgw over RD 331/dyke Branch RD | Kent | 21,019 | Fair | 1992 |
| Korean War Vet Mem over Alston Branch | Kent | 21,019 | Good | 1993 |
| Korean War Vet Mem over Alston Branch | Kent | 21,019 | Good | 1992 |
| Korean War Vet HWY over Big Oak RD | Kent | 21,018 | Good | 1992 |
| Korean War Vet HWY over Leipsic River | Kent | 21,018 | Fair | 1992 |
| Korean War Vet HWY over Leipsic River | Kent | 21,018 | Fair | 1992 |
| Korean Vet Mem HWY over Pine Tree Road | New Castle | 21,017 | Good | 2003 |