New Castle County, DE

533 public highway bridges

New Castle County Bridge Snapshot

New Castle County, Delaware contains 533 public highway bridges in the FHWA National Bridge Inventory. Roughly 22.9% are rated “Good,” 41.8% “Fair,” 0.9% “Poor,” and 0.9% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in DE are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

533
Total Bridges
22.9%
Good
0.9%
Poor
0.9%
Structurally Deficient

Condition Distribution

Good
22.9% (122)
Fair
41.8% (223)
Poor
0.9% (5)
SD
0.9% (5)

All Bridges (533)

I495SB TO US13

Unknown

Over: US 13

SOUTH OF WILMINGTON, New Castle, DE

Built 1975 ADT: 27,393

ROGERS RD

Unknown

Over: I 495

EAST OF WILMINGTON, New Castle, DE

Built 1975 ADT: 87,997

I 495 SB

Unknown

Over: SR9

SOUTH OF WILMINGTON, New Castle, DE

Built 1972 ADT: 14,234

I 495 NB

Unknown

Over: SR9

SOUTH OF WILMINGTON, New Castle, DE

Built 1972 ADT: 14,234

I 495

Unknown

Over: TERMINAL AVE, RD 359

SOUTH OF WILMINGTON, New Castle, DE

Built 1972 ADT: 5,106

I 495

Unknown

Over: CHRISTINA RIVER, N/S RR

WILMINGTON, New Castle, DE

Built 1974 ADT: 8,527

TWELTH ST

Unknown

Over: I-495 RD 60

WILMINGTON, New Castle, DE

Built 1977 ADT: 93,552

I 495 NB

Unknown

Over: EDGEMOOR RD

EDGEMOOR, New Castle, DE

Built 1975 ADT: 9,566

I 495 SB

Unknown

Over: EDGEMOOR RD

EDGEMOOR, New Castle, DE

Built 1975 ADT: 9,566

I 495 NB

Unknown

Over: NORFOLK SOUTHERN&AMTRAK

S. OF BELLEFONTE, New Castle, DE

Built 1976 ADT: 100

I 495 SB

Unknown

Over: NORFOLK SOUTHERN&AMTRAK

EDGEMOOR, New Castle, DE

Built 1976 ADT: 100

MYRTLE AVE

Unknown

Over: I495/VIETNAM VET MEM HGY

CLAYMONT, New Castle, DE

Built 1972 ADT: 75,509

PHILA PIKE/MARKET

Unknown

Over: I-495 RD 60

CLAYMONT, New Castle, DE

Built 1973 ADT: 75,509

RAMP I 495 SB

Unknown

Over: I 95 & I 295 EB

CHRISTIANA INTERCHANGE, New Castle, DE

Built 1981 ADT: 47,991

SR 1

Unknown

Over: SR7 / BEAR-CORBIT RD.

NORTH OF WRANGLE HILL, New Castle, DE

Built 1995 ADT: 5,947

SR 1

Unknown

Over: SR 7 / BEAR-CORBIT RD.

NORTH OF WRANGLE HILL, New Castle, DE

Built 1995 ADT: 5,947

KOREAN WAR VET MEM

Unknown

Over: C&D CANAL, RD 412

C&D CANAL, New Castle, DE

Built 1995 ADT: 667

SR 1

Unknown

Over: US 13

SOUTH OF ST GEORGES, New Castle, DE

Built 1999 ADT: 24,268

SR 1

Unknown

Over: US 13

N. OF ODESSA, New Castle, DE

Built 1999 ADT: 24,268

KOREAN VET MEM HWY

Unknown

Over: PINE TREE RD

N/E OF TOWNSEND, New Castle, DE

Built 2003 ADT: 4,153

KOREAN VET MEM HWY

Unknown

Over: PINE TREE ROAD

N/E OF TOWNSEND, New Castle, DE

Built 2003 ADT: 3,280

KOREAN VET MEM HWY

Unknown

Over: DUPONT HGWY/ US13

S. OF TOWNSEND, New Castle, DE

Built 2003 ADT: 13,811

KOREAN VET MEM HWY

Unknown

Over: DUPONT HGWY/US13

S. OF TOWNSEND, New Castle, DE

Built 2002 ADT: 13,811

KOREAN VET MEM HWY

Unknown

Over: DUPONT PKY&SANDOM BRNCH

BLACKBIRD AREA, New Castle, DE

Built 2003 ADT: 7,525

KOREAN VET MEM HWY

Unknown

Over: DUPONT PKY&SANDOM BRNCH

BLACKBIRD AREA, New Castle, DE

Built 2003 ADT: 7,525

KOREAN VET MEM HWY

Unknown

Over: BLACK DIAMOND RD

NORTH OF SMYRNA, New Castle, DE

Built 2003 ADT: 575

KOREAN VET MEM HWY

Unknown

Over: BLACK DIAMOND RD

NORTH OF SMYRNA, New Castle, DE

Built 2003 ADT: 575

KOREAN VET MEMORIA

Unknown

Over: US 13

NORTH OF ODESSA, New Castle, DE

Built 1999 ADT: 28,863

SR 1

Unknown

Over: US 13

NORTH OF ODESSA, New Castle, DE

Built 1999 ADT: 24,947

KOREAN VET MEM HWY

Unknown

Over: US 13 (DUPONT BLVD)

NORTH OF SMYRNA, New Castle, DE

Built 1993 ADT: 21,986

KOREAN VET MEM HWY

Unknown

Over: US 13 (DUPONT BLVD)

NORTH OF SMYRNA, New Castle, DE

Built 1993 ADT: 21,986

KOREAN VET MEM HWY

Unknown

Over: HARRIS RD.

SOUTH OF ODESSA, New Castle, DE

Built 1999 ADT: 956

SR1 KOREAN WAR HWY

Unknown

Over: HARRIS RD.

SOUTH OF ODESSA, New Castle, DE

Built 1999 ADT: 1,651

FOURTH STREET

Fair

Over: CHRISTINA RIVER

WILMINGTON, New Castle, DE

Built 1980 Load: 17.2 t ADT: 9,973

CAPITAL TRAIL/SR2

Fair

Over: MUDDY RUN

EAST OF NEWARK, New Castle, DE

Built 1948 Load: 18.1 t ADT: 24,998

S. WALNUT ST.

Fair

Over: CHRISTINA RIVER

WILMINGTON, New Castle, DE

Built 1957 Load: 18.5 t ADT: 14,363

I 295 N & US 40 E

Fair

Over: DELAWARE RIVER

NEW CASTLE, New Castle, DE

Built 1951 Load: 18.8 t ADT: 48,349

RISING SUN LANE

Fair

Over: BRANDYWINE CREEK

N/W WILMINGTON, New Castle, DE

Built 1928 Load: 19.8 t ADT: 2,265

PAPER MILL RD

Fair

Over: WHITE CLAY CREEK

NORTH NEWARK, New Castle, DE

Built 1947 Load: 20.1 t ADT: 16,955

SR7 & SR4

Fair

Over: WHITE CLAY CREEK

STANTON, New Castle, DE

Built 1981 Load: 20.4 t ADT: 26,432

FOURTH ST

Fair

Over: CSX RAILROAD

WILMINGTON, New Castle, DE

Built 1900 Load: 20.4 t ADT: 99

KIRKWOOD HWY/SR2

Fair

Over: LITTLE MILL CREEK

ELSMERE, New Castle, DE

Built 1939 Load: 20.7 t ADT: 29,701

ROCKLAND RD

Fair

Over: BRANDYWINE CREEK

ROCKLAND, New Castle, DE

Built 1933 Load: 21.1 t ADT: 3,561

DEL 896, US71,301S

Fair

Over: C&D CANAL

9 MI W OF REEDY POINT, New Castle, DE

Built 1959 Load: 21.1 t ADT: 26,840

DELAWARE RT. 9

Fair

Over: C&D CANAL

1/2 MI S OF DEL. CITY, New Castle, DE

Built 1969 Load: 21.1 t ADT: 1,203

SALEM CHURCH RD

Fair

Over: BECKS POND/BELLTOWN RUN

S/E OF NEWARK, New Castle, DE

Built 1979 Load: 21.7 t ADT: 6,297

OLD BALTIMORE PIKE

Fair

Over: TRIB. TO CHRISTINA CREEK

S. OF NEWARK, New Castle, DE

Built 2000 Load: 22.0 t ADT: 13,109

I 295 S & US 40 W

Fair

Over: DELAWARE RIVER

NEW CASTLE, New Castle, DE

Built 1968 Load: 22.7 t ADT: 50,098

OLD CAPITAL TRAIL

Fair

Over: RED CLAY CREEK

MARSHALLTON, New Castle, DE

Built 1931 Load: 23.0 t ADT: 10,072

LIBRARY AVE/SR 72

Fair

Over: AMTRAK

NEWARK, New Castle, DE

Built 1979 Load: 23.0 t ADT: 29,899

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial