| I95 / Jfk Mem Hgwy over Norfolk Southern | 1962 | 117,657 | Fair |
| I 95 NB over Christina Creek | 1962 | 109,932 | Fair |
| I 95 SB over Christina Creek | 1962 | 109,932 | Fair |
| I 95 NB over SR1/KOREAN War Vet Mem | 1963 | 103,953 | Fair |
| I95SB/JFK Mem Hgwy over SR1/KOREAN War Vet Mem | 1963 | 103,953 | Fair |
| I 495 over Terminal Ave Rd 359 | 1972 | 101,111 | Fair |
| I 95 NB over I 295 SB | 1959 | 95,743 | Fair |
| I 95 NB over I 95 I 495 S to I 295 N | 1966 | 95,743 | Fair |
| I 95 over Christina River | 1965 | 90,773 | Fair |
| I 95 over Little Mill Creek | 1962 | 90,773 | Good |
| I 95 over Norfolk Southern | 1962 | 90,773 | Fair |
| Korean War Vet Mem over C&d Canal Rd. 412 | 1995 | 90,068 | Fair |
| I 495 over Christina River N/S RR | 1974 | 89,020 | Fair |
| I 495 SB over I 95 NB | 1965 | 84,782 | Poor |
| Ramp 6107 over I 295 SB | 1960 | 84,782 | Fair |
| I 95 Rd 59 over Brandywine Ck | 1964 | 81,849 | Fair |
| Vietnam Mem Hgwy over So.branch-naamans Creek | 1966 | 79,365 | Good |
| I 495 over Hollyoak Creek | 1972 | 77,223 | Fair |
| I 495 SB over I 95 & Ramp 6202 | 1966 | 73,566 | Fair |
| I 495 NB over Norfolk Southern&amtrak | 1976 | 70,978 | Fair |
| I 495 SB over Norfolk Southern&amtrak | 1976 | 69,555 | Fair |
| I 295 NB over US 13 NB | 1958 | 65,419 | Fair |
| I 295 SB over US13 & I295s-us13sb Ramp | 1958 | 65,419 | Fair |
| Rockland Rd over Wilson Run | 1925 | 64,449 | Fair |
| I 95 NB over SR 4 | 1964 | 63,420 | Fair |
| I 95 SB over SR 4 & SR 48 | 1964 | 63,420 | Fair |
| I 95 over City Streets & Amtrak | 1964 | 63,420 | Fair |
| Basin Rd/sr 141 NB over I 95 & 6089 | 2020 | 61,997 | Good |
| Basin Rd/sr 141 SB over I 95 & 6089 | 2020 | 61,997 | Good |
| I95 Nb/jfk Mem Hgy over SR 72/S. Chaper St. | 1963 | 60,033 | Fair |
| I95 Sb/jfk Mem Hgy over Christina Creek | 1962 | 60,033 | Fair |
| I95 Nb/jfk Mem Hgy over Christina Creek | 1962 | 60,032 | Fair |
| I 95 NB over Silverside Rd | 1967 | 59,526 | Fair |
| Jfk Mem HGY/I95 SB over SR72 | 1963 | 58,828 | Fair |
| Basin Rd/sr 141 NB over I 95 & I 295 NB & 6099 | 2017 | 54,605 | Good |
| Jfk Mem HGWY/I95 over So.branch Naamans Creek | 1966 | 52,875 | Good |
| I 495 SB over 84"PIPE/DRAINAGE Swale | 1976 | 51,844 | Good |
| SR 141 over Christina R. Amtrak SR 4 | 1978 | 51,552 | Fair |
| SR 141 over CSX Railroad | 1979 | 50,659 | Fair |
| I 295 S & US 40 W over Delaware River | 1968 | 50,098 | Fair |
| I 495 NB over Pedestrian Path | 1965 | 49,980 | Fair |
| I 295 N & US 40 E over Delaware River | 1951 | 49,755 | Fair |
| SR1 Southbound over Scott Run | 1994 | 49,360 | Fair |
| Korean War Mem Hgy over Scott Run | 1994 | 49,359 | Fair |
| I 295 N & US 40 E over Norfolk Southern | 1951 | 49,079 | Good |
| I 295 SB Rd 56 over Norfolk Southern | 1966 | 49,079 | Fair |
| SR 7 / SR 4 over White Clay Creek | 1981 | 49,077 | Fair |
| SR7 & SR4 over White Clay Creek | 1981 | 49,077 | Fair |
| Basin Rd/sr 141 over Rd 333 Centerville Rd | 1974 | 47,029 | Good |
| Jfk Mem HGWY/I95 over Shellpot Creek | 1966 | 46,639 | Fair |
| Korean War Mem Hgy over SR 273/HARES Corner Rd | 1992 | 46,484 | Fair |
| Korean War Mem Hgy over SR273/HARES Corner Rd | 1992 | 46,484 | Good |
| SR 1 over School Bell Rd | 1990 | 46,484 | Good |
| SR 1 over School Bell Rd | 1990 | 46,484 | Good |
| SR 1 over US 40 | 1990 | 46,484 | Good |
| SR 1 over US 40 | 1990 | 46,484 | Good |
| Concord PIKE/US202 over Faulk Rd. | 2006 | 45,381 | Good |
| SR141 & Ramp over SR 2 Kirkwood Hwy. | 1972 | 45,289 | Fair |
| I 495 NB over US 13 | 1975 | 44,899 | Fair |
| I 495 SB over US 13 | 1975 | 44,899 | Fair |
| Vietnam Vet Mem Hy over Norfolk Southern | 1975 | 44,784 | Fair |
| Vietnam Vet Mem Hy over Norfolk Southern | 1975 | 44,783 | Fair |
| I 495 NB over Shellpot Creek | 1975 | 44,775 | Fair |
| I 495 SB over Shellpot Creek | 1975 | 44,775 | Fair |
| SR1 over Eagle Run | 1992 | 44,586 | Fair |
| SR1 over Eagle Run | 1992 | 44,586 | Fair |
| I 495 SB over SR9 | 1972 | 43,999 | Fair |
| I 495 NB over SR9 | 1972 | 43,998 | Fair |
| Korean War Mem Hgy over Christina River | 1992 | 43,443 | Good |
| Limestone Rd / SR7 over CSX Railroad | 1960 | 43,221 | Fair |
| SR 1 over SR 71 | 1990 | 42,970 | Fair |
| SR 1 over US 13 | 1990 | 42,970 | Fair |
| I 495 NB over Edgemoor Rd | 1975 | 42,783 | Fair |
| I 495 SB over Edgemoor Rd | 1975 | 42,783 | Fair |
| Kirkwood HWY/SR2 over Centerville Rd. | 1975 | 42,676 | Fair |
| Concord PIKE/US202 over East Park Dr. | 2006 | 42,026 | Good |
| Dupont HWY/US13 over Army Creek | 1922 | 40,517 | Fair |
| Korean War Vet Mem over Red Lion Creek | 1994 | 39,892 | Good |
| Korean War Vet Mem over Red Lion Creek | 1996 | 39,892 | Good |
| I 495 SB over N/S RR -abandoned | 1965 | 39,655 | Fair |
| I 495 SB over Ramp 6217 | 1975 | 39,655 | Fair |
| Concord PK/US202 over Rocky Run | 1987 | 38,705 | Good |
| SR 1 over SR 7 / Bear-corbit Rd. | 1995 | 38,437 | Good |
| SR 1 over SR7 / Bear-corbit Rd. | 1995 | 38,437 | Good |
| Korean War Vet Mem over Stoney Creek | 1972 | 37,755 | Fair |
| I 495 SB over Stoney Creek | 1972 | 37,754 | Fair |
| Christina Parkway over Amtrak & Conrail | 1980 | 36,174 | Fair |
| SR 1 Northbound over Dragon Creek | 1995 | 36,078 | Good |
| SR 1 SB over Dragon Creek | 1995 | 36,078 | Good |
| Stanton Christiana over Churchmans RD/SR58 | 1997 | 36,047 | Good |
| Stanton Christiana over Churchmans Rd | 1997 | 36,046 | Good |
| I 495 NB over 84" Sewer Pipe | 1976 | 35,603 | Good |
| Korean War Vet Mem over Norfolk Southern/ Rd 381 | 1990 | 34,634 | Fair |
| Korean War Vet Mem over Norfolk Southern/ Rd 381 | 1990 | 34,634 | Fair |
| Limestone Rd / SR7 over Mill Creek | 1962 | 33,443 | Fair |
| SR1 Northbound over Christina River | 1992 | 33,277 | Good |
| SR 273 over I 95 Delaware Turnpike | 1971 | 33,185 | Fair |
| I 95 NB over Shipley Rd | 1968 | 33,081 | Fair |
| I 95 SB over Shipley Rd | 1968 | 33,081 | Fair |
| Jfk Mem HGWY/I95SB over CSX Railroad | 1968 | 33,081 | Fair |
| Jfk Mem HGY/I95 NB over Talley Road | 1968 | 33,081 | Fair |
| Jfk Mem HGY/I95 SB over Talley Road | 1968 | 33,081 | Fair |
| Kirkwood HWY/SR2 over Mill Creek | 1949 | 32,691 | Fair |
| Concord PK/US202 over I 95 | 1967 | 32,565 | Fair |
| Jfk Mem HGY/I95NB over CSX Railroad | 1968 | 32,346 | Fair |
| Main STREET/SR4 over Calf Run | 1967 | 32,282 | Good |
| Kirkwood HWY/SR2 over Pike Creek | 1948 | 32,040 | Fair |
| Basin Rd. / SR 141 over Ramp SR 2WB to SR 141SB | 1972 | 31,623 | Fair |
| I 495 NB over Ramp 6217 | 1975 | 30,758 | Fair |
| SR 1 Northbound over Norfolk Southern | 1995 | 30,557 | Good |
| SR 1 SB over Norfolk Southern | 1995 | 30,557 | Good |
| I 95 SB over SR 3 Marsh Rd | 1967 | 30,439 | Fair |
| I 95 SB over Silverside Rd | 1967 | 30,439 | Fair |
| I95SB - SR1SB Ramp over Stanton Christiana Rd | 2014 | 29,714 | Good |
| Kirkwood HWY/SR2 over Chestnut Run | 1939 | 29,701 | Good |
| Elkton RD/SR2 over West Branch | 1968 | 29,655 | Fair |
| I95SB - SR1SB Ramp over I95 Jfk Mem Hwy | 2014 | 29,239 | Good |
| Center RD/SR141 over Little Mill Creek | 2010 | 28,927 | Good |
| South Market St over Christina River | 1927 | 28,795 | Fair |
| S. Walnut St. over Christina River | 1957 | 28,725 | Fair |
| Sr1nb-i95nb Ramp over SR7 | 2013 | 28,576 | Good |
| US13NB/DUPONT Pky over Drawyers Creek | 1933 | 28,234 | Fair |
| Korean Vet Mem Hwy over Black Diamond Rd | 2003 | 28,060 | Fair |
| Korean Vet Mem Hwy over Black Diamond Rd | 2003 | 28,060 | Fair |
| Korean Vet Mem Hwy over Pine Tree Rd | 2003 | 28,060 | Fair |
| SR1 Korean War Hwy over Harris Rd. | 1999 | 28,060 | Good |
| Library Ave/sr 72 over Amtrak | 1979 | 27,688 | Fair |
| Kirkwood HWY/SR2 over Little Mill Creek | 1939 | 27,573 | Good |
| Korean Vet Mem Hwy over US 13 (dupont Blvd) | 1993 | 27,318 | Fair |
| Korean Vet Mem Hwy over US 13 (dupont Blvd) | 1993 | 27,318 | Good |
| Basin Rd/sr 141 SB over I 95 & I 295 & 6099 | 2017 | 27,302 | Good |
| Kirkwood HGWY/SR2 over CSX Silver Run | 1949 | 26,585 | Fair |
| I 95 SB over Darley Rd | 1966 | 26,438 | Fair |
| I 95 NB over Glenrock Drive | 1966 | 26,437 | Fair |
| Korean Vet Mem Hwy over Dupont HGWY/US13 | 2002 | 26,437 | Good |
| Korean Vet Mem Hwy over Dupont Hgwy/ US13 | 2003 | 26,437 | Fair |
| SR 7 / SR 4 over Amtrak | 1983 | 26,432 | Fair |
| SR7 & SR4 over Amtrak | 1983 | 26,432 | Fair |
| US 40 /pulaski Hwy over Trib. to Army Creek | 1999 | 26,146 | Good |
| Elkton RD/SR2 over Christina Creek | 1968 | 26,000 | Fair |
| SR273 / Ogletown R over Amtrak | 1997 | 25,799 | Fair |
| S. Walnut ST/US13 over Norfolk Southern | 1938 | 25,312 | Fair |
| I 95 NB to US 202N over I 95 | 2013 | 24,797 | Good |
| I95 NB to US202 NB over I95 SB Ramp to SB 202 | 2013 | 24,797 | Good |
| Ramp; I95nb-us202n over Concord Pike | 2013 | 24,797 | Good |
| I 95 SB over Glenrock Drive | 1966 | 24,438 | Fair |
| I 95 NB over SR 3 Marsh Rd | 1967 | 24,368 | Fair |
| SR 1 (NB) over Drawyer Creek | 1999 | 24,315 | Good |
| SR 1 (SB) over Drawyer Creek | 1999 | 24,315 | Good |
| Capital TRAIL/SR2 over Muddy Run | 1948 | 24,026 | Fair |
| Lancaster PK/SR48 over CSX Railroad | 1900 | 23,743 | Good |
| Naamans RD/SR92 over I 495 Southbound | 1966 | 23,535 | Fair |
| Naamans RD/SR92 over I 95/JOHN F. Kennedy | 1966 | 23,535 | Fair |
| Korean War Vet Hwy over Appoquinimink River | 1999 | 23,428 | Fair |
| SR141/BARLEY Mill over Brandywine Creek Rd 260 | 1951 | 23,185 | Fair |
| Capitol TRAIL/SR2 over White Clay Creek | 1955 | 23,150 | Fair |
| Del 896 US71 301S over C&d Canal | 1959 | 23,111 | Fair |
| SR 1 over US 13 | 1999 | 22,721 | Fair |
| SR 1 over US 13 | 1999 | 22,720 | Fair |
| Kirkwood HWY/SR2 over Trib to Little Mill Crk | 1949 | 21,909 | Good |
| Sr1nb-i95nb Ramp over I95 NB | 2013 | 21,756 | Good |
| Naamans RD/SR92 WB over CSX Railroad | 1992 | 21,745 | Fair |
| SR72/WRANGLE Hill over SR 1 | 1995 | 21,742 | Good |
| Old Baltimore Pike over Trib. to Smalleys Dam | 1992 | 21,680 | Good |
| Korean Vet Mem Hwy over Blackbird Creek | 2003 | 21,017 | Good |
| Korean Vet Mem Hwy over Blackbird Creek | 2003 | 21,017 | Good |
| Korean Vet Mem Hwy over Dupont Pky&sandom Brnch | 2003 | 21,017 | Good |
| Korean Vet Mem Hwy over Dupont Pky&sandom Brnch | 2003 | 21,017 | Good |
| Korean Vet Mem Hwy over Pine Tree Road | 2003 | 21,017 | Good |
| Lancaster PK/SR48 over Red Clay Creek | 2002 | 21,003 | Good |
| Phila Pike/market over I-495 Rd 60 | 1973 | 20,588 | Fair |
| Harmony Rd over Amtrak | 1972 | 20,228 | Good |
| I 95 NB over Darley Rd | 1966 | 20,210 | Fair |
| Naamans Rd / SR92 over Naamans Creek | 1999 | 20,032 | Fair |
| Kirkwood HWY/SR2 over Red Clay Creek & RR | 1940 | 20,030 | Fair |
| Kirkwood HWY/SR2 over Red Clay Creek & RR | 1940 | 20,030 | Fair |
| Churchmans Rd. over I 95 | 2006 | 19,267 | Fair |
| Mlk Blvd over Monroe St & Madison St | 1976 | 19,236 | Fair |
| Korean Vet Memoria over US 13 | 1999 | 18,626 | Good |
| Korean War Vet Mem over Appoquinimink River | 1999 | 18,626 | Fair |
| Korean Vet Mem Hwy over Harris Rd. | 1999 | 18,625 | Fair |
| SR 1 over US 13 | 1999 | 18,625 | Good |
| South Lincoln St over Canby Park Viaduct | 1963 | 18,569 | Good |
| Red Mill Rd over Stream Mill Pond | 1971 | 18,195 | Good |
| Maryland AVE/SR4 over Little Mill Creek | 1931 | 17,909 | Fair |
| Christiana Bypass over Christina River | 1981 | 17,840 | Fair |
| Christiana Bypass over Christina River | 1981 | 17,839 | Fair |
| Delaware Ave over I 95 & Ramp 6167 | 1964 | 17,711 | Fair |
| Mitch Rd. / SR4 over Calf Run | 1967 | 17,372 | Good |
| Harmony Rd over White Clay Creek | 1973 | 17,177 | Fair |
| Red Mill Rd over White Clay Creek | 1970 | 17,176 | Fair |
| Christina Parkway over Christina Creek | 1980 | 17,131 | Fair |
| S. College Ave over Amtrak & Conrail | 1936 | 16,840 | Fair |
| Otts Chapel Rd over Persimmon Run | 2010 | 16,809 | Good |
| Otts Chapel Rd over West Branch | 1972 | 16,809 | Fair |
| Otts Chapel Rd. over Amtrak | 1977 | 16,809 | Fair |
| SR896 over Muddy Run | 1991 | 16,773 | Good |
| SR896 over Muddy Run | 1991 | 16,773 | Fair |
| Pennsylvania /SR52 over Waterway & Abandon R.R. | 1919 | 16,691 | Fair |
| Basin RD/SR141 over US 13 | 1955 | 16,684 | Fair |
| Sunset Lake Rd over Muddy Run | 1958 | 16,655 | Fair |
| SR 273 Ramp 6505 over SR 4 | 1997 | 16,637 | Good |
| Newport Gap Pike over Red Clay Creek | 1989 | 16,338 | Fair |
| Mitch Rd / SR4 over Red Clay Creek | 1967 | 16,101 | Fair |
| SR4 Westbound over Red Clay Creek | 1967 | 16,101 | Fair |
| Northeast Blvd over Brandywine River | 1932 | 16,007 | Fair |
| Dupont HWY/US13NB over I295 South to US13 South | 2003 | 15,969 | Fair |
| New Castle AVE/SR9 over I 295 SB Rd 56 | 1965 | 15,928 | Fair |
| New Castle Ave. over I 295 NB Rd 56 | 1965 | 15,928 | Fair |
| S. College Ave. NB over I 95 / Jfk Mem Hgwy | 1963 | 15,833 | Fair |
| S. College Ave. SB over I 95 Delaware Turnpike | 1970 | 15,833 | Fair |
| S. College Ave. NB over Christina Creek | 1962 | 15,832 | Fair |
| S. College Ave. SB over Christina Creek | 1970 | 15,832 | Fair |
| Papermill Rd/sr 72 over Pike Creek | 1926 | 15,802 | Good |
| Paper Mill Rd over White Clay Creek | 1947 | 15,740 | Fair |
| Ramp 6047 over SR 273/CHRISTIANA Rd. | 1970 | 15,462 | Fair |
| Old Baltimore Pk over Trib of Christina Crk | 1982 | 15,461 | Good |
| US 301 NB over Scott Run | 2018 | 15,312 | Good |
| US301 over Trib to Scott Run | 2018 | 15,312 | Good |
| SR299 over SR1 | 1999 | 15,096 | Good |
| SR 273 over SR 4 | 1997 | 14,979 | Fair |
| SR273 over SR4 | 1988 | 14,979 | Good |
| Dupont PKWY/US13 S over Waterway | 1992 | 14,790 | Fair |
| Sr273-i95 Ramp over I95 / Jfk Mem Hgwy | 1963 | 14,630 | Fair |
| US301 over Waterway/wildlife X-ing | 2018 | 14,602 | Good |
| Sunset Lake Rd over Christina Creek | 1969 | 14,424 | Good |
| Foulk RD/SR261 over South Branch Naamans Ck | 1965 | 14,252 | Fair |
| Otts Chapel Rd over I 95 Delaware Turnpike | 1962 | 14,225 | Fair |
| Newport Gap Pk over Hyde Run | 1992 | 14,166 | Good |
| US13SB/DUPONT Pky over Drawyers Creek | 1964 | 14,162 | Fair |
| Foulk RD/SR261 over Shellpot Creek | 1959 | 13,958 | Fair |
| Red Mill Rd over Amtrak | 1978 | 13,644 | Fair |
| Kennett PK/SR52 over SR 141 New Bridge Rd | 1976 | 13,532 | Fair |
| Newport Gap Pike over Hyde Run | 1936 | 13,392 | Fair |
| Foulk Rd / SR261 over Matson Run | 1958 | 13,089 | Fair |
| Philadelphia Pike over Naamans Creek/haul Road | 1997 | 13,052 | Good |
| Churchmans Rd over Christina Creek | 1972 | 13,037 | Fair |
| Newark-christiana over Amtrak | 1997 | 12,900 | Fair |
| SR273/OGLETOWN Rd. over Cool Run | 1997 | 12,857 | Good |
| SR273/OGLETOWN Rd. over Cool Run | 1997 | 12,857 | Good |
| Kennett PIKE/SR52 over Waterway | 1925 | 12,820 | Fair |
| Powder MILL/SR141 over Rockland Road | 1997 | 12,703 | Good |
| SR141S/POWDER Mill over Rockland Road | 1997 | 12,702 | Good |
| SR 72 Possum Park over Middle Run | 1953 | 12,640 | Good |
| Ramp SR141N to SR4 over Ayre St | 1978 | 12,390 | Fair |
| Old Baltimore Pike over Christina Creek | 1922 | 12,169 | Fair |
| Old Baltimore Pike over Trib. to Christina Creek | 2000 | 12,169 | Fair |
| North Market St over Brandywine Creek | 1928 | 12,035 | Fair |
| Ferry Cut Off Rd over Narrow Dyke Canal | 1983 | 11,997 | Good |
| Boxwood RD/SR62 over SR 141 | 1979 | 11,968 | Fair |
| Naamans Rd / SR92 over Naamans Creek | 1988 | 11,915 | Fair |
| Glasgow Ave. over Muddy Run | 1926 | 11,825 | Good |
| Phila Pk/market over Stoney Run | 1989 | 11,731 | Fair |
| Salem Church Rd over I 95 / Jfk Mem Hgwy | 1963 | 11,718 | Fair |
| Walnut ST/US13 NB over Shopping Plaza Drainage | 2010 | 11,684 | Good |
| I 95 NB to SR 4 over Liberty Street | 1964 | 11,555 | Fair |
| Old Milltown Rd. over Mill Creek | 1913 | 11,553 | Fair |
| New Linden Hill Rd over Pike Creek | 1970 | 11,444 | Good |
| Marrows Rd over Amtrak | 1976 | 11,422 | Fair |
| SR 4 to SR 141 S over Ayre St | 1978 | 11,240 | Fair |
| Ramp Sr2wb-sr141sb over SR 2 Kirkwood Hwy. | 1972 | 11,103 | Fair |
| Chapman Rd over I95 NB | 2022 | 11,086 | Good |
| Chapman Rd over I95 SB | 2022 | 11,086 | Good |
| Dupont PKY/US13 NB over Blackbird Creek | 1933 | 11,021 | Fair |
| Dupont PKW/US13 SB over Blackbird Creek | 1920 | 11,020 | Poor |
| Naamans RD/SR92 EB over CSX Railroad | 1992 | 10,873 | Fair |
| Washington St. over Brandywine Ck Conrail | 1922 | 10,601 | Fair |
| Salem Church Rd over Christina Creek | 1958 | 10,591 | Fair |
| Walther Road over Christina Creek | 1978 | 10,511 | Fair |
| Foulk RD/SR261 over Tributary -naamans Creek | 1965 | 10,500 | Fair |
| Dupont Rd over CSX Railroad | 1980 | 10,078 | Fair |
| Valley Rd over Mill Creek | 1994 | 10,078 | Good |
| Old Capital Trail over Red Clay Creek | 1931 | 10,072 | Fair |
| Harvey Rd over I 95 | 1967 | 10,007 | Fair |
| Fourth Street over Christina River | 1980 | 9,998 | Fair |
| Harvey Road over CSX Railroad | 1953 | 9,982 | Fair |
| Lovering Ave over Pedestrian Path | 1900 | 9,804 | Fair |
| Greenbank Rd over Red Clay Creek | 1975 | 9,704 | Good |
| Augustine Cutoff over Brandywine Creek | 1900 | 9,627 | Fair |
| Gov Printz Blvd over Shellpot Creek | 1934 | 9,626 | Fair |
| Mlk Bld to I 95 S over SR 4 Maryland Ave. | 1980 | 9,618 | Fair |
| Ramp to I 95 S over Mlk Blvd & Adams St | 1979 | 9,618 | Fair |
| Faulkland RD/SR34 over Little Mill Creek | 1967 | 9,597 | Fair |
| Market St / US13 B over Shellpot Creek | 1910 | 9,580 | Fair |
| Grubb Rd over Trib. to Naamans Creek | 1994 | 9,527 | Good |
| Foulk RD/SR261 over S. Branch Naamans Creek | 1965 | 9,448 | Fair |
| Shipley Rd. over Shellpot Creek | 1991 | 9,380 | Fair |
| Mall Entrance over Korean War Vet Mem Hgwy | 2012 | 9,351 | Good |
| Ramp 6048 over I 95 | 1972 | 9,095 | Fair |
| Ramp 6048 over SR 273 | 1972 | 9,095 | Fair |
| Chapman Rd. over Waterway | 1983 | 8,939 | Fair |
| Ramp 6338 to SR1 over Eagle Run | 1992 | 8,710 | Good |
| Mermaid Stoney Bat over Mill Creek | 1969 | 8,693 | Good |
| I495SB to US13 over US 13 | 1975 | 8,689 | Fair |
| Chestnut Hill Rd. over Trib of Christina Crk | 1984 | 8,596 | Good |
| Mall Rd over SR 1 | 1991 | 8,438 | Good |
| Levels Rd / SR299 over US301 | 2018 | 8,343 | Good |
| Dupont Rd / SR100 over Delaware Valley RR | 1959 | 8,279 | Good |
| Edgemoor Rd / SR3 over Norfolk Southern&amtrak | 1989 | 8,220 | Fair |
| Thompson Bridge Rd over Brandywine Creek | 1990 | 8,218 | Fair |
| Rogers Rd over I 495 | 1975 | 8,192 | Fair |
| US 13 Nb/dupont Pa over Appoquinimink River | 1985 | 8,018 | Good |
| US 13 SB over Appoquinimink River | 1984 | 8,018 | Good |
| Lea Blvd over Shellpot Creek | 1993 | 7,958 | Fair |
| South Heald St over Norfolk Southern | 1942 | 7,915 | Poor |
| Ramp I 495 SB over I 95 & I 295 EB | 1981 | 7,815 | Fair |
| Hercules Rd over Hyde Run | 1971 | 7,799 | Good |
| Wilson Road over Shellpot Creek | 1954 | 7,787 | Good |
| Old Capitol Trail over Calf Run | 2003 | 7,760 | Fair |
| Bunker Hill Rd over US 301 | 2017 | 7,693 | Good |
| US301 NB over SR1 | 2018 | 7,665 | Good |
| US301 SB over N/S Railroad | 2018 | 7,656 | Good |
| US301 SB over Scott Run | 2018 | 7,656 | Good |
| W.chestnut Hill Rd over Christina Creek | 1961 | 7,564 | Good |
| Brackenville Rd over Mill Creek | 1846 | 7,382 | Good |
| Milltown Rd over Mill Creek | 1959 | 7,311 | Fair |
| US301 NB over Drawyer Creek | 2018 | 7,301 | Good |
| US301 NB over N/S Railroad | 2018 | 7,301 | Good |
| US301 NB over SR71/SUMMIT Bridge Rd | 2018 | 7,301 | Good |
| US301 NB over Scott Run | 2018 | 7,301 | Good |
| US301 SB over Drawyer Creek | 2018 | 7,301 | Good |
| US301 SB over Summit Bridge Rd | 2018 | 7,301 | Good |
| US301 over SR896/BOYDS Corner Rd | 2018 | 7,301 | Good |
| US301 over SR896/BOYDS Corner Rd | 2018 | 7,301 | Good |
| Summit Bridge Rd over Cattail Branch | 1936 | 7,273 | Fair |
| Darley Rd over CSX Railroad | 1953 | 7,109 | Fair |
| Darley Rd over Naamans Creek | 1959 | 7,109 | Fair |
| Darley Rd over Naamans Creek | 1959 | 7,109 | Fair |
| Brick Mill Rd over Dove Nest Branch | 1981 | 7,026 | Good |
| Ramp 6059 over SR1/KOREAN War Vet Mem | 1977 | 6,960 | Fair |
| Notingham RD/SR273 over Christina Creek | 1991 | 6,877 | Good |
| Choptank Rd. over Back Creek | 2002 | 6,728 | Good |
| SR 7 / N. Old Balt over Trib. to Christina River | 1950 | 6,632 | Fair |
| SR 9 / River Rd over Army Creek | 1993 | 6,460 | Good |
| Darley Rd over Naamans Creek | 1964 | 6,438 | Fair |
| Montchanin R/SR100 over Trib. to Wilsons Run | 1993 | 6,405 | Fair |
| Silver Lake Rd. over Silver Lake Spillway | 1939 | 5,932 | Good |
| Silver Lake Rd. over Silver Lake Spillwy | 1931 | 5,932 | Good |
| Mlk Bld to I 95 N over Second St & Adams St | 1976 | 5,929 | Fair |
| Washington St Ext over Shellpot Creek | 1963 | 5,918 | Good |
| Salem Church Rd over Becks Pond/belltown Run | 1979 | 5,846 | Fair |
| Salem Church Rd over Muddy Run | 1958 | 5,846 | Fair |
| I 295 S to SR 9 N over Drainage Ditch | 1965 | 5,832 | Fair |
| US 301 over Armstrong Corner Rd | 2018 | 5,811 | Good |
| US301 NB over Connector Rd | 2018 | 5,811 | Good |
| US301 NB over Sandy Branch | 2018 | 5,811 | Good |
| US301 NB over Trib to Sandy Branch | 2018 | 5,811 | Good |
| US301 SB over Connector Rd | 2018 | 5,811 | Good |
| US301 SB over Sandy Branch | 2018 | 5,811 | Good |
| US301 SB over Trib to Sandy Branch | 2018 | 5,811 | Good |
| US301 over Armstrong Corner Rd | 2018 | 5,811 | Good |
| 12TH St over Norfolk Southern | 1977 | 5,790 | Good |
| Twelth St over I-495 Rd 60 | 1977 | 5,790 | Fair |
| Bear Corbitt Rd over Red Lion Creek | 1927 | 5,593 | Fair |
| Old Dupont Rd. over Little Mill Creek | 1926 | 5,558 | Good |
| I95NB - SR7NB Ramp over Stanton Christiana Rd | 2014 | 5,556 | Good |
| River Rd / SR9 over Red Lion Creek | 1966 | 5,383 | Fair |
| Faulkland RD/SR34 over Red Clay Creek | 1967 | 5,340 | Fair |
| Governr Prntz Blvd over Stoney Creek | 1934 | 5,255 | Good |
| Welsh Tract Rd over I 95 / Jfk Mem Hgwy | 1962 | 5,127 | Fair |
| Welsh Tract Rd. over Christina Creek | 1961 | 5,127 | Fair |
| Road A over SR1 | 2020 | 5,089 | Good |
| Pike Creek Rd. over Pike Creek | 1988 | 4,965 | Fair |
| Gov. Printz Blvd over Hollyoak Creek | 1935 | 4,867 | Fair |
| I95/sr1sb-sr7 Ramp over Stanton Christiana Rd | 2014 | 4,783 | Good |
| Hopkins Rd. over White Clay Creek | 1991 | 4,756 | Fair |
| Eighteenth Street over I 95 | 1966 | 4,719 | Fair |
| James St. over Christina River | 2024 | 4,556 | Good |
| Weldin Rd over Turkey Run | 1999 | 4,484 | Good |
| Barksdale Rd over Christina Creek | 1962 | 4,410 | Good |
| Yorklyn Rd over Red Clay Creek | 1929 | 4,402 | Fair |
| Adams Dam Rd over Wilson Run | 1933 | 4,319 | Fair |
| Rockland Rd over Brandywine Creek | 1933 | 4,319 | Fair |
| Rockland Rd over Husbands Run | 1932 | 4,296 | Fair |
| I 295 N to US 13 N over US13 RD33 SB. | 1958 | 4,284 | Fair |
| Main St/christiana over Christina River | 1937 | 4,121 | Fair |
| Fox Den Rd. over Middle Run | 1997 | 4,110 | Good |
| Baynard Blvd. over Shellpot Creek | 1968 | 3,973 | Fair |
| SR71 / Red Lion Rd over Red Lion Creek | 2004 | 3,964 | Good |
| SR 9 / River Road over Valero Oil Pipe Lines | 1955 | 3,961 | Fair |
| Old Capitol Trail over Mill Creek | 1996 | 3,894 | Good |
| Ramp 6202 over I 495 NB | 1966 | 3,861 | Fair |
| Airport Rd over Nonesuch Creek | 1979 | 3,840 | Fair |
| Chambers Rock Rd over White Clay Creek | 1928 | 3,582 | Good |
| SR 299/MAIN Street over Appoquinimink River | 1928 | 3,582 | Fair |
| East Park Drive over Golf Cart & Bike/ped Way | 2007 | 3,561 | Good |
| Paddock Rd. over SR 1 | 1990 | 3,520 | Good |
| St. Anns Church Rd over Norfolk Southern | 2010 | 3,407 | Good |
| Barley Mill Rd. over Red Clay Creek | 1850 | 3,398 | Fair |
| Wooddale Rd over Mill Race | 1982 | 3,366 | Fair |
| Faulkland Rd over Hyde Run | 1922 | 3,319 | Fair |
| Beaver Dam Rd. over Trib. to Brandywine Crk | 1962 | 3,224 | Good |
| Brandywine Creek R over Trib. to Brandywine | 1960 | 3,224 | Fair |
| Newport Rd. over CSX | 2012 | 3,224 | Good |
| Smith Bridge Rd over Brandywine Creek | 1839 | 3,224 | Fair |
| Newport Rd. over Red Clay Creek | 1954 | 2,986 | Fair |
| Old Kennet Pike Rd over Waterway | 2018 | 2,940 | Good |
| Marl Pit Rd over Dove Nest Branch | 1990 | 2,917 | Fair |
| Churchtown Rd. over Back Creek | 1975 | 2,887 | Fair |
| Old Wilmington Rd. over Wilm & West R/R | 1987 | 2,828 | Fair |
| Old Newark Rd over Cool Run | 2017 | 2,706 | Good |
| Beaver Dam Rd over Beaver Creek | 1987 | 2,658 | Good |
| Ramp I95SB to 11TH over I 95 & Ramp 6169 | 1969 | 2,567 | Fair |
| Noxontown Rd. over Noxontown Pond/spillway | 1967 | 2,491 | Fair |
| Vandyke-greensprin over Greenspring Branch | 1987 | 2,491 | Good |
| Old Kennett Rd over Barrows Run | 1988 | 2,465 | Fair |
| Creek RD/SR82 over Red Clay Creek | 1939 | 2,428 | Fair |
| Creek RD/SR82 over Red Clay Creek | 1922 | 2,428 | Fair |
| Grears Corner Rd. over Barlow Branch | 1935 | 2,266 | Fair |
| Chespeake City Rd. over Guthrie Run | 2013 | 2,146 | Good |
| SR 9 over St. Georges Creek | 1952 | 2,135 | Fair |
| Kiamensi Rd over Red Clay Creek | 1989 | 2,126 | Fair |
| Mill Creek Rd over Mill Creek | 1984 | 2,109 | Good |
| Rising Sun Lane over Brandywine Creek | 1928 | 2,103 | Fair |
| Rising Sun Lane over Brandywine Creek | 1900 | 2,103 | Fair |
| Mccoy Rd over Dragon Creek | 1986 | 2,102 | Fair |
| Kirkwood/st George over SR1 | 1995 | 2,092 | Good |
| South Park Dr over Mill Race | 1978 | 2,080 | Fair |
| Eagle Run Rd over Trib to Christina River | 2018 | 2,002 | Good |
| Eagle Run Rd over Trib to Christina River | 2018 | 2,002 | Good |
| Chesapeake City Rd over US301/SR896 | 1959 | 1,985 | Fair |
| Ramp 6332 to SR1 over Eagle Run | 1992 | 1,934 | Good |
| Miller Rd. over Matson Run | 1980 | 1,932 | Fair |
| Carr Rd over Shellpot Creek | 1965 | 1,896 | Fair |
| Carr Rd over Shellpot Creek | 1934 | 1,896 | Fair |
| Beaver Dam Rd. over Beaver Creek Tributary | 1987 | 1,867 | Good |
| Beaver Dam Rd. over Beaver Valley Creek | 1988 | 1,867 | Fair |
| Jamison Corner Rd over US 301 | 2017 | 1,654 | Good |
| SR 48 to I 95 S over SR 48 EB Rd 237 Lan Av | 2020 | 1,624 | Good |
| I495s-12th St Ramp over 84" Pipe/drainage Area | 1976 | 1,482 | Fair |
| Grubbs Landing Rd over Waterway | 1995 | 1,449 | Fair |
| Bayview over SR1/KOREAN War Vet Mem H | 1998 | 1,423 | Good |
| Old Ogletown Rd. over Cool Run | 1999 | 1,355 | Good |
| Upper Pike Creek R over Pike Creek | 1970 | 1,346 | Fair |
| New Road over Little Mill Creek | 1917 | 1,317 | Fair |
| Ramp to US301NB over Sandy Branch | 2018 | 1,300 | Good |
| Pole Bridge Rd. over SR1/KOREAN War Vet Mem H | 1999 | 1,245 | Good |
| Mill Creek Rd over Mill Creek | 1976 | 1,232 | Good |
| Way Road over Trib of Red Clay Creek | 1966 | 1,219 | Good |
| Delaware Rt. 9 over C&d Canal | 1969 | 1,203 | Poor |
| Wiggins Mill Rd. over Cattail Branch | 1998 | 1,151 | Fair |
| Wedgewood Rd over E. Branch Christina Crk | 2014 | 1,125 | Good |
| 10th STREET over I 95 & Ramp 6163 | 1964 | 1,124 | Fair |
| Snuff Mill Rd over Barrows Run | 1939 | 1,067 | Fair |
| Caldwell Corner Rd over Trib Sassafras River | 2024 | 1,059 | Good |
| Eighth St over I 95 & Ramp 6152 | 1964 | 1,046 | Fair |
| Blackbird Landing over Blackbird Creek | 1969 | 1,022 | Good |
| 12TH St-i495 Ramp over 48" Pipe / Drainage Area | 1976 | 1,012 | Fair |
| Hyetts Corner Rd over Scott Run | 2019 | 1,010 | Good |
| Hyetts Corner Rd over US301 | 2019 | 1,010 | Fair |
| Wedgewood Rd over Christina Creek | 1969 | 987 | Good |
| Ninth St over I 95 | 1964 | 960 | Fair |
| Barley Mill Rd over Red Clay Creek | 1949 | 958 | Fair |
| Alley Mill Rd over Paw Paw Branch | 1933 | 951 | Fair |
| Clayton Delaney Rd over Paw Paw Branch | 1927 | 943 | Fair |
| Clayton Delany Rd. over Providence Creek | 1965 | 943 | Good |
| Seventh St over I 95 & Ramp 6152 | 1964 | 943 | Fair |
| SR 896 S to I 95 S over Christina Creek | 1970 | 862 | Fair |
| Blackbird Sta Rd over Blackbird Creek | 2017 | 843 | Good |
| SR 9 over Appoquinimink River | 1973 | 840 | Poor |
| SR 9 over Appoquinimink River | 1973 | 840 | Fair |
| SR 9 over Silver Run | 1989 | 840 | Fair |
| Wilmington Rd over Narrow Dyke Canal | 1979 | 836 | Fair |
| Sixth St over I 95 Ramp 6154 | 1964 | 816 | Good |
| Sharpless Rd over Red Clay Creek | 1976 | 815 | Good |
| Sears Blvd over Hershey Run | 1995 | 785 | Fair |
| Strawberry Lane over US 301 | 2018 | 772 | Good |
| Lower Twin Lane Rd over SR 1 | 1992 | 729 | Good |
| Hay Rd. over Shellpot Creek | 2018 | 708 | Good |
| SR 9/TAYLORS Br Rd over Hangman Run | 1996 | 686 | Good |
| SR9/FLEMINGS Land over Smyrna River | 1991 | 682 | Fair |
| SR 9 over Blackbird Creek | 1964 | 675 | Fair |
| US301 Ramp F over Sandy Branch | 2018 | 650 | Good |
| New Road over Waterway | 1917 | 626 | Fair |
| Clarks Corner Rd. over Dragon Creek | 1970 | 622 | Fair |
| Apple Rd over CSX Railroad | 1970 | 598 | Fair |
| Guyencourt Rd. over Reading RR | 1918 | 537 | Fair |
| Walker School Rd over Saw Mill Branch | 1998 | 497 | Good |
| Clayton/delaney Rd over Cypress Branch | 1964 | 454 | Good |
| Benge Rd. over Red Clay Creek | 1971 | 442 | Fair |
| Maryland Line Rd. over Trib of Sassafras River | 2021 | 386 | Good |
| Paddock Rd. over Saw Mill Branch | 1961 | 376 | Fair |
| Eagles Nest Ldg Rd over Saw Mill Branch | 2020 | 368 | Good |
| Mt Cuba Road over Red Clay Creek | 1969 | 359 | Fair |
| Church Rd. over Christina Creek | 1968 | 356 | Fair |
| Guyencourt Rd over Waterway | 2011 | 308 | Good |
| Llangollen Blvd. over Army Creek | 1975 | 282 | Good |
| Old Possum Park Rd over Middle Run | 2000 | 279 | Fair |
| Union Church Rd. over Beaver Branch | 1968 | 256 | Fair |
| Fox Hill Lane over Red Clay Creek | 2008 | 204 | Fair |
| Deer Run Rd over Saw Mill Branch | 2021 | 133 | Good |
| Mcquail Rd over Corks Point Ditch | 1994 | 107 | Good |
| Burnside Blvd over SR 141 | 1976 | 100 | Good |
| 16TH St over Brandywine River | 1925 | 99 | Fair |
| Auburn Heights Lot over Mill Race | 2019 | 99 | Good |
| Baltimore Ave. over Derrickson Run | 1998 | 99 | Good |
| Beech Hill Dr over Pike Creek | 2009 | 99 | Good |
| Brennen Dr over Trib. to White Clay Cree | 1976 | 99 | Fair |
| Caravel Dr over Belltown Run | 1980 | 99 | Good |
| Coachmans Rd over Shellpot Creek | 1976 | 99 | Good |