| I 295 N & US 40 E over Delaware River | New Castle | 10795.9 ft | Fair | 1951 |
| I 295 S & US 40 W over Delaware River | New Castle | 10795.9 ft | Fair | 1968 |
| Delaware Rt. 9 over C&d Canal | New Castle | 8432.1 ft | Poor | 1969 |
| I 495 over Christina River N/s Rr | New Castle | 4804.1 ft | Fair | 1974 |
| Korean War Vet Mem over C&d Canal Rd. 412 | New Castle | 4649.9 ft | Fair | 1995 |
| US Route 13 over C & D Canal | Kent | 4209.0 ft | Fair | 1941 |
| I 95 over City Streets & Amtrak | New Castle | 2936.0 ft | Fair | 1964 |
| Sr1 / Coastal Hgwy over Indian River Inlet | Sussex | 2600.1 ft | Good | 2012 |
| I 95 SB over SR 4 & SR 48 | New Castle | 2530.8 ft | Fair | 1964 |
| I 95 NB over SR 4 | New Castle | 2346.1 ft | Fair | 1964 |
| Bay Road / Us113 over St. Jones River | Kent | 2208.0 ft | Fair | 1984 |
| Del 896 Us71 301s over C&d Canal | New Castle | 2058.1 ft | Fair | 1959 |
| SR 141 over Christina R. Amtrak SR 4 | New Castle | 1983.9 ft | Fair | 1978 |
| I 95 RD 59 over Brandywine Ck | New Castle | 1881.9 ft | Fair | 1964 |
| Ramp I 495 SB over I 95 & I 295 EB | New Castle | 1805.8 ft | Fair | 1981 |
| Lighthouse Rd/sr54 over Tidal Ponds | Sussex | 1633.9 ft | Good | 2003 |
| Dupont RD over Csx Railroad | New Castle | 1320.9 ft | Fair | 1980 |
| SR 1 (nb) over Drawyer Creek | New Castle | 1136.5 ft | Good | 1999 |
| SR 1 (sb) over Drawyer Creek | New Castle | 1136.5 ft | Good | 1999 |
| Kirkwood Hgwy/sr2 over Csx Silver Run | New Castle | 1054.5 ft | Fair | 1949 |
| Korean War Vet HWY over Duck Creek | Kent | 1042.7 ft | Good | 1993 |
| Korean War Mem HWY over Duck Creek | Kent | 1042.7 ft | Good | 1993 |
| US 113 & Sr1 SB over Murderkill River | Kent | 1000.0 ft | Fair | 1965 |
| Us113 & Sr1 NB over Murderkill River | Kent | 1000.0 ft | Fair | 1965 |
| Scarborough RD over Fork Branch | Kent | 961.9 ft | Fair | 1999 |
| Korean War Vet Mem over Appoquinimink River | New Castle | 929.5 ft | Fair | 1999 |
| Korean War Vet HWY over Appoquinimink River | New Castle | 871.1 ft | Fair | 1999 |
| S. Walnut St/us13 over Norfolk Southern | New Castle | 853.0 ft | Fair | 1938 |
| Puncheon Run over St. Jones River | Kent | 839.9 ft | Good | 2000 |
| Puncheon Run Conne over ST Jones River | Kent | 839.9 ft | Good | 2000 |
| Augustine Cutoff over Brandywine Creek | New Castle | 825.8 ft | Fair | 1900 |
| I95sb - Sr1sb Ramp over I95 Jfk Mem HWY | New Castle | 823.8 ft | Good | 2014 |
| Sr141/barley Mill over Brandywine Creek RD 260 | New Castle | 815.9 ft | Fair | 1951 |
| Mlk Bld To I 95 S over SR 4 Maryland Ave. | New Castle | 787.4 ft | Fair | 1980 |
| Churchmans Rd. over I 95 | New Castle | 785.8 ft | Fair | 2006 |
| Lighthouse Rd/sr54 over Tidal Ponds | Sussex | 782.8 ft | Good | 2003 |
| Sr1nb-i95nb Ramp over I95 NB | New Castle | 753.0 ft | Good | 2013 |
| Kirkwood Hwy/sr2 over Red Clay Creek & Rr | New Castle | 746.1 ft | Fair | 1940 |
| Kirkwood Hwy/sr2 over Red Clay Creek & Rr | New Castle | 733.9 ft | Fair | 1940 |
| Pow Mia Parkway over N/s Rr & Puncheon Run | Kent | 732.0 ft | Good | 2017 |
| Pow Mia Parkway over N/s Rr & Puncheon Run | Kent | 732.0 ft | Good | 2017 |
| I 295 SB over Us13 & I295s-us13sb Ramp | New Castle | 718.8 ft | Fair | 1958 |
| Us301 NB over Sr1 | New Castle | 700.1 ft | Good | 2018 |
| Sr1 Northbound over Christina River | New Castle | 689.3 ft | Good | 1992 |
| Korean War Mem Hgy over Christina River | New Castle | 687.3 ft | Good | 1992 |
| Korean Vet Mem HWY over Dupont Pky&sandom Brnch | New Castle | 660.8 ft | Good | 2003 |
| Korean War Vet HWY over Leipsic River | Kent | 657.2 ft | Fair | 1992 |
| S. Walnut St. over Christina River | New Castle | 640.1 ft | Fair | 1957 |
| Washington St. over Brandywine Ck Conrail | New Castle | 629.9 ft | Fair | 1922 |
| Fourth Street over Christina River | New Castle | 628.0 ft | Fair | 1980 |
| I 95 NB To SR 4 over Liberty Street | New Castle | 608.9 ft | Fair | 1964 |
| South Heald ST over Norfolk Southern | New Castle | 607.9 ft | Poor | 1942 |
| John Williams Hgwy over Love Creek | Sussex | 606.3 ft | Fair | 1992 |
| Basin Rd/sr141 over US 13 | New Castle | 602.0 ft | Fair | 1955 |
| Sr9/flemings Land over Smyrna River | New Castle | 598.4 ft | Fair | 1991 |
| Mlk BLVD over Monroe ST & Madison ST | New Castle | 594.5 ft | Fair | 1976 |
| Korean War Vet HWY over Leipsic River | Kent | 591.9 ft | Fair | 1992 |
| I95/sr1sb-sr7 Ramp over Stanton Christiana RD | New Castle | 589.9 ft | Good | 2014 |
| S. College AVE over Amtrak & Conrail | New Castle | 562.0 ft | Fair | 1936 |
| Stein Hwy/sr20 over Norfolk Southern | Sussex | 560.0 ft | Fair | 1940 |
| I 95 over Christina River | New Castle | 558.4 ft | Fair | 1965 |
| Smyrna-leipsic RD over Leipsic River | Kent | 546.9 ft | Fair | 1952 |
| Sr7 & Sr4 over White Clay Creek | New Castle | 533.1 ft | Fair | 1981 |
| SR 7 / SR 4 over White Clay Creek | New Castle | 533.1 ft | Fair | 1981 |
| I 495 NB over Norfolk Southern&amtrak | New Castle | 532.8 ft | Fair | 1976 |
| Korean Vet Mem HWY over Blackbird Creek | New Castle | 526.9 ft | Good | 2003 |
| Korean Vet Mem HWY over Blackbird Creek | New Castle | 526.9 ft | Good | 2003 |
| I 495 SB over Norfolk Southern&amtrak | New Castle | 524.9 ft | Fair | 1976 |
| Salem Church RD over I 95 / Jfk Mem Hgwy | New Castle | 512.5 ft | Fair | 1963 |
| Capitol Trail/sr2 over White Clay Creek | New Castle | 497.4 ft | Fair | 1955 |
| I95sb - Sr1sb Ramp over Stanton Christiana RD | New Castle | 490.2 ft | Good | 2014 |
| New Sweden ST over Christina River | New Castle | 477.7 ft | Good | 2019 |
| Ramp 6048 over I 95 | New Castle | 473.1 ft | Fair | 1972 |
| Sr273-i95 Ramp over I95 / Jfk Mem Hgwy | New Castle | 472.4 ft | Fair | 1963 |
| SR 273 over I 95 Delaware Turnpike | New Castle | 460.0 ft | Fair | 1971 |
| I 95 over Norfolk Southern | New Castle | 460.0 ft | Fair | 1962 |
| Woodland Beach Rd. over Duck Creek | Kent | 458.0 ft | Fair | 1971 |
| Mlk Bld To I 95 N over Second ST & Adams ST | New Castle | 453.1 ft | Fair | 1976 |
| Korean Vet Mem HWY over Dupont Pky&sandom Brnch | New Castle | 445.2 ft | Good | 2003 |
| SR 54 over Assawoman Bay | Sussex | 440.0 ft | Poor | 1957 |
| I 295 NB over US 13 NB | New Castle | 420.9 ft | Fair | 1958 |
| S. College Ave. NB over I 95 / Jfk Mem Hgwy | New Castle | 408.1 ft | Fair | 1963 |
| S. College Ave. SB over I 95 Delaware Turnpike | New Castle | 408.1 ft | Fair | 1970 |
| Sr1 Nb/coastal Hy over Lewes Rehoboth Canal | Sussex | 407.5 ft | Fair | 1985 |
| Coastal Hwy/sr1 SB over Lewes Rehoboth Canal | Sussex | 407.5 ft | Fair | 1978 |
| Us301 NB over Scott Run | New Castle | 403.2 ft | Good | 2018 |
| SR 9 over Blackbird Creek | New Castle | 402.9 ft | Fair | 1964 |
| Library Ave/sr 72 over Amtrak | New Castle | 399.0 ft | Fair | 1979 |
| James St. over Christina River | New Castle | 394.0 ft | Good | 2024 |
| Korean War Vet Mem over Mill Creek | Kent | 392.7 ft | Good | 1993 |
| Korean War Vet HWY over Mill Creek | Kent | 392.7 ft | Good | 1993 |
| Us301 SB over Scott Run | New Castle | 387.1 ft | Good | 2018 |
| Christina Parkway over Amtrak & Conrail | New Castle | 378.0 ft | Fair | 1980 |
| Sr1nb-i95nb Ramp over Sr7 | New Castle | 368.8 ft | Good | 2013 |
| Ferry Cut Off RD over Narrow Dyke Canal | New Castle | 366.5 ft | Good | 1983 |
| Myrtle AVE over I495/vietnam Vet Mem Hgy | New Castle | 366.1 ft | Fair | 1972 |
| Ramp To I 95 S over Mlk BLVD & Adams ST | New Castle | 362.2 ft | Fair | 1979 |
| Puncheon Run Conn. over SR 1 | Kent | 361.9 ft | Good | 2000 |
| I 495 SB over I 95 & Ramp 6202 | New Castle | 361.9 ft | Fair | 1966 |
| Freeman Highway over Lewes-rehoboth Canal | Sussex | 358.9 ft | Fair | 1966 |
| Vanburen Street over Brandywine Creek&flume | New Castle | 353.7 ft | Fair | 1906 |
| SR 1 over US 13 | New Castle | 348.8 ft | Fair | 1999 |
| SR 1 over US 13 | New Castle | 348.8 ft | Fair | 1999 |
| Korean Vet Mem HWY over US 13 (dupont Blvd) | New Castle | 345.1 ft | Fair | 1993 |
| Korean Vet Mem HWY over US 13 (dupont Blvd) | New Castle | 345.1 ft | Good | 1993 |
| SR 9 over Silver Run | New Castle | 332.0 ft | Fair | 1989 |
| US 13 N & SR 20 W over Nanticoke River | Sussex | 327.8 ft | Fair | 1951 |
| US 13 S & SR 20 E over Nanticoke River | Sussex | 327.8 ft | Fair | 1951 |
| Sr7 & Sr4 over Amtrak | New Castle | 326.1 ft | Fair | 1983 |
| SR 7 / SR 4 over Amtrak | New Castle | 326.1 ft | Fair | 1983 |
| I 495 NB over Sr9 | New Castle | 324.1 ft | Fair | 1972 |
| Northeast BLVD over Brandywine River | New Castle | 320.9 ft | Fair | 1932 |
| Sr1/korean War Vet over US 113/bay RD | Kent | 319.9 ft | Good | 1993 |
| Sr1/korean War Vet over Us113 / Bay RD | Kent | 319.9 ft | Good | 1993 |
| Coastal Hgwy/sr1 over Mispillion River | Sussex | 312.7 ft | Fair | 1971 |
| Coastal Hgwy/sr1 over Mispillion River | Sussex | 307.1 ft | Fair | 1971 |
| Korean Vet Mem HWY over Dupont Hgwy/ Us13 | New Castle | 306.4 ft | Fair | 2003 |
| Bayview over Sr1/korean War Vet Mem H | New Castle | 306.1 ft | Good | 1998 |
| Korean Vet Mem HWY over Dupont Hgwy/us13 | New Castle | 303.1 ft | Good | 2002 |
| Lebanon Rd/sr10 WB over St. Jones River | Kent | 302.5 ft | Poor | 1965 |
| Lebanon Rd/sr10 EB over St. Jones River | Kent | 302.5 ft | Fair | 1978 |
| Hyetts Corner RD over Us301 | New Castle | 301.5 ft | Fair | 2019 |
| Ramp Sr141n To Sr4 over Ayre ST | New Castle | 299.9 ft | Fair | 1978 |
| SR 4 To SR 141 S over Ayre ST | New Castle | 299.9 ft | Fair | 1978 |
| Newark-christiana over Amtrak | New Castle | 292.0 ft | Fair | 1997 |
| Sr273 / Ogletown R over Amtrak | New Castle | 292.0 ft | Fair | 1997 |
| Rogers RD over I 495 | New Castle | 291.3 ft | Fair | 1975 |
| I 495 SB over I 95 NB | New Castle | 290.0 ft | Poor | 1965 |
| South Market ST over Christina River | New Castle | 288.1 ft | Fair | 1927 |
| 12th ST over Norfolk Southern | New Castle | 287.7 ft | Good | 1977 |
| Jfk Mem Hgwy/i95sb over Csx Railroad | New Castle | 287.1 ft | Fair | 1968 |
| Coastal Hgwy /sr1 over Broadkill River | Sussex | 287.1 ft | Fair | 1967 |
| Coastal HWY / Sr1 over Broadkill River | Sussex | 285.1 ft | Good | 1967 |
| Ramp over Sr1/korean War Vet Mem | Kent | 279.9 ft | Good | 1992 |
| N. Dover Toll Ramp over Sr1/korean War Vet Mem | Kent | 279.9 ft | Good | 1992 |
| Ramp 6059 over Sr1/korean War Vet Mem | New Castle | 279.9 ft | Fair | 1977 |
| Otts Chapel RD over I 95 Delaware Turnpike | New Castle | 279.2 ft | Fair | 1962 |
| Welsh Tract RD over I 95 / Jfk Mem Hgwy | New Castle | 278.9 ft | Fair | 1962 |
| Marrows RD over Amtrak | New Castle | 276.9 ft | Fair | 1976 |
| Ponderosa DR over Beaver Gut Ditch | Kent | 276.2 ft | Good | 1999 |
| Christina Parkway over Christina Creek | New Castle | 276.2 ft | Fair | 1980 |
| Sr299 over Sr1 | New Castle | 273.6 ft | Good | 1999 |
| Edgemoor RD / Sr3 over Norfolk Southern&amtrak | New Castle | 271.0 ft | Fair | 1989 |
| SR 1 over US 40 | New Castle | 269.0 ft | Good | 1990 |
| I 495 SB over Sr9 | New Castle | 268.0 ft | Fair | 1972 |
| Jfk Mem Hgy/i95nb over Csx Railroad | New Castle | 265.1 ft | Fair | 1968 |
| I95nb - Sr7nb Ramp over Stanton Christiana RD | New Castle | 264.4 ft | Good | 2014 |
| Otts Chapel Rd. over Amtrak | New Castle | 264.1 ft | Fair | 1977 |
| SR 1 over US 40 | New Castle | 263.5 ft | Good | 1990 |
| SR 1 Northbound over Dragon Creek | New Castle | 262.8 ft | Good | 1995 |
| SR 1 SB over Dragon Creek | New Castle | 262.8 ft | Good | 1995 |
| Basin Rd/sr 141 SB over I 95 & 6089 | New Castle | 261.5 ft | Good | 2020 |
| Bayard Ave./sr1a over Silver Lake | Sussex | 261.5 ft | Fair | 1938 |
| Basin Rd/sr 141 NB over I 95 & I 295 NB & 6099 | New Castle | 259.8 ft | Good | 2017 |
| Bethel Rd. over Broad Creek | Sussex | 259.8 ft | Fair | 1968 |
| Phila Pike/market over I-495 RD 60 | New Castle | 259.2 ft | Fair | 1973 |
| Ramp I95sb To 11th over I 95 & Ramp 6169 | New Castle | 256.9 ft | Fair | 1969 |
| Mall RD over SR 1 | New Castle | 253.0 ft | Good | 1991 |
| Hyetts Corner RD over Scott Run | New Castle | 252.6 ft | Good | 2019 |
| Road A over Sr1 | New Castle | 252.0 ft | Good | 2020 |
| Basin Rd/sr 141 NB over I 95 & 6089 | New Castle | 252.0 ft | Good | 2020 |
| Basin Rd/sr 141 SB over I 95 & I 295 & 6099 | New Castle | 251.6 ft | Good | 2017 |
| Naamans Rd/sr92 over I 95/john F. Kennedy | New Castle | 251.3 ft | Fair | 1966 |
| Us301 NB over Sandy Branch | New Castle | 250.0 ft | Good | 2018 |
| Eighth ST over I 95 & Ramp 6152 | New Castle | 250.0 ft | Fair | 1964 |
| Simms Woods RD over SR 1 | Kent | 249.3 ft | Good | 1991 |
| SR 273 over SR 4 | New Castle | 248.7 ft | Fair | 1997 |
| Korean War Vet Mem over Alston Branch | Kent | 247.0 ft | Good | 1993 |
| Korean War Vet Mem over Alston Branch | Kent | 247.0 ft | Good | 1992 |
| Stein Hwy/sr20 over Norfolk Southern | Sussex | 245.1 ft | Fair | 1985 |
| I 495 NB over Edgemoor RD | New Castle | 242.8 ft | Fair | 1975 |
| Basin Rd/sr 141 over RD 333 Centerville RD | New Castle | 242.1 ft | Good | 1974 |
| Seventh ST over I 95 & Ramp 6152 | New Castle | 238.8 ft | Fair | 1964 |
| Lower Twin Lane RD over SR 1 | New Castle | 238.5 ft | Good | 1992 |
| Rehoboth Blvd/sr14 over Coastal Hgwy / Sr1 | Sussex | 238.5 ft | Fair | 1971 |
| Concord Pk/us202 over I 95 | New Castle | 238.2 ft | Fair | 1967 |
| Scarborough RD over Norfolk Southern | Kent | 237.5 ft | Good | 1999 |
| Sr273 over Sr4 | New Castle | 236.2 ft | Good | 1988 |
| Harvey RD over I 95 | New Castle | 236.2 ft | Fair | 1967 |
| Sr14 / NE Front ST over Sr1 / Milford Bypass | Kent | 235.9 ft | Good | 2019 |
| Ramp 6047 over SR 273/christiana Rd. | New Castle | 235.9 ft | Fair | 1970 |
| I 495 SB over Edgemoor RD | New Castle | 234.3 ft | Fair | 1975 |
| 16th ST over Brandywine River | New Castle | 232.9 ft | Fair | 1925 |
| Thompsonville RD over Sr1 / Bay RD | Kent | 230.3 ft | Good | 2016 |
| Korean Vet Memoria over US 13 | New Castle | 230.3 ft | Good | 1999 |
| Pole Bridge Rd. over Sr1/korean War Vet Mem H | New Castle | 230.0 ft | Good | 1999 |
| RD 66 White Oak RD over Sr1/korean War Vet Mem | Kent | 227.7 ft | Fair | 1990 |
| Ramp 6338 To Sr1 over Eagle Run | New Castle | 227.4 ft | Good | 1992 |
| Vietnam Vet Mem Hy over Norfolk Southern | New Castle | 227.0 ft | Fair | 1975 |
| I 95 NB To US 202n over I 95 | New Castle | 226.4 ft | Good | 2013 |
| SR 1 over US 13 | New Castle | 224.1 ft | Good | 1999 |
| I 495 NB over US 13 | New Castle | 223.8 ft | Fair | 1975 |
| Fast Landing RD over SR 1/korean War Vet Mem | Kent | 223.4 ft | Good | 1991 |
| I 95 NB over Christina Creek | New Castle | 223.1 ft | Fair | 1962 |
| I 95 SB over Christina Creek | New Castle | 223.1 ft | Fair | 1962 |
| Sixth ST over I 95 Ramp 6154 | New Castle | 222.4 ft | Good | 1964 |
| I 495 SB over US 13 | New Castle | 222.1 ft | Fair | 1975 |
| Harmony RD over Amtrak | New Castle | 221.5 ft | Good | 1972 |
| Christiana Bypass over Christina River | New Castle | 221.1 ft | Fair | 1981 |
| Christiana Bypass over Christina River | New Castle | 221.1 ft | Fair | 1981 |