State profile · Below national median SD

Delaware bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Delaware — drawn straight from the FHWA National Bridge Inventory.

878
Public bridges
29.5%
Good condition
1.3%
Poor condition
1.3%
Structurally deficient

Total Bridges

878

Public highway bridges in Delaware

Good Condition

29.5%

259 bridges rated 7-9

-20.5pp vs 50% benchmark

Poor Condition

1.3%

11 bridges rated 0-4

Structurally Deficient

1.3%

11 bridges flagged for repair priority

-5.7pp vs national avg 7.0%

Delaware vs national bridge condition

Delaware — Good condition share 29.5%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Delaware — Structurally deficient share 4.2%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Delaware (FHWA NBI)

Delaware29.498861047835987%43.052391799544424%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — Delaware (FHWA NBI)

Delaware vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Delaware on the same metric.

32

Nevada

1.07% top marginal rate
Structure
Progressive
Burden @ $100K
$2,152

48

Texas

1.13% top marginal rate
Structure
Progressive
Burden @ $100K
$56,740
Selected

10

Delaware

1.25% top marginal rate
Structure
Progressive
Burden @ $100K
$878

04

Arizona

1.44% top marginal rate
Structure
Progressive
Burden @ $100K
$5,640

Bridges Needing Most Attention in Delaware

Six lowest-condition bridges in Delaware, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Delaware

CEDAR GROVE CHURCH

Fair

Over: WHITE MARSH BRANCH

N. OF WHITELEYSBURG, Kent, DE

Built 1957 Load: 50.9 t ADT: 192

DARLEY RD

Fair

Over: NAAMANS CREEK

CLAYMONT, New Castle, DE

Built 1964 Load: 50.9 t ADT: 6,438

OLD FURNACE RD.

Fair

Over: DEEP CREEK

OLD FURNACE MILL, Sussex, DE

Built 1933 Load: 50.9 t ADT: 3,412

JOHN J WILLIAMS HY

Fair

Over: INDIAN RIVER

N. MILLSBORO LIMITS, Sussex, DE

Built 1981 Load: 50.9 t ADT: 16,930

SR 36 / SHAWNEE RD

Fair

Over: JOHNSON BRANCH

SOUTHWEST OF MILFORD, Sussex, DE

Built 1947 Load: 51.2 t ADT: 3,486

MILLSBORO HWY/SR26

Fair

Over: GUM BRANCH

GUMBORO, Sussex, DE

Built 2013 Load: 51.5 t ADT: 5,657

GOV. PRINTZ BLVD

Fair

Over: HOLLYOAK CREEK

EAST OF WILMINGTON, New Castle, DE

Built 1935 Load: 51.8 t ADT: 5,255

I95 SB/JFK MEM HGY

Fair

Over: CHRISTINA CREEK

SOUTH NEWARK, New Castle, DE

Built 1962 Load: 51.8 t ADT: 58,828

16TH ST

Fair

Over: BRANDYWINE RIVER

WILMINGTON, New Castle, DE

Built 1925 Load: 52.8 t ADT: 99

I 95 NB

Fair

Over: CHRISTINA CREEK

S.W. OF NEWPORT, New Castle, DE

Built 1962 Load: 52.8 t ADT: 102,970

I 95 SB

Fair

Over: CHRISTINA CREEK

S.W. OF NEWPORT, New Castle, DE

Built 1962 Load: 52.8 t ADT: 108,883

NEW RD

Fair

Over: CANARY CREEK

WEST OF LEWES, Sussex, DE

Built 1989 Load: 53.3 t ADT: 4,677

HOURGLASS RD

Fair

Over: TAPPAHANNA DITCH

N.E. OF MARYDEL, Kent, DE

Built 1958 Load: 53.5 t ADT: 881

MILLER RD.

Fair

Over: MATSON RUN

NORTH WILMINGTON, New Castle, DE

Built 1980 Load: 53.5 t ADT: 2,675

I 95

Fair

Over: NORFOLK SOUTHERN

NORTH OF CHRISTIANA INTER, New Castle, DE

Built 1962 Load: 53.5 t ADT: 65,707

I 495 NB

Fair

Over: SHELLPOT CREEK

EAST OF WILMINGTON, New Castle, DE

Built 1975 Load: 53.8 t ADT: 46,776

I 495 SB

Fair

Over: SHELLPOT CREEK

EAST OF WILMINGTON, New Castle, DE

Built 1975 Load: 53.8 t ADT: 93,552

THOMPSON BRIDGE RD

Fair

Over: BRANDYWINE CREEK

E. OF GUYENCOURT, New Castle, DE

Built 1990 Load: 54.1 t ADT: 8,218

FORREST AVE

Fair

Over: CHESTNUT RUN

ELSMERE, New Castle, DE

Built 1996 Load: 54.1 t ADT: 99

FAULKLAND RD/SR34

Fair

Over: LITTLE MILL CREEK

NORTH OF PRICES CORNER, New Castle, DE

Built 1967 Load: 54.4 t ADT: 9,597

M.L.K. JR. BLVD.

Fair

Over: ST. JONES RIVER

DOVER, Kent, DE

Built 1957 Load: 54.8 t ADT: 9,607

ROCKLAND RD

Fair

Over: WILSON RUN

ROCKLAND, New Castle, DE

Built 1925 Load: 54.8 t ADT: 64,449

LIMESTONE RD / SR7

Fair

Over: CSX RAILROAD

N/W OF STANTON, New Castle, DE

Built 1960 Load: 54.8 t ADT: 46,557

MULBERRY ST

Fair

Over: BROADKILL CREEK

MILTON, Sussex, DE

Built 1992 Load: 55.1 t ADT: 4,042

CARPENTER BRIDGE

Fair

Over: MURDERKILL RIVER

S.W. OF FREDERICA, Kent, DE

Built 1962 Load: 55.4 t ADT: 2,333

MUDMILL RD

Fair

Over: MUDMILL POND & CHOPTANK

N/W OF SANDTOWN, Kent, DE

Built 1976 Load: 55.7 t ADT: 589

PADDOCK RD.

Fair

Over: SAW MILL BRANCH

CHAMBERSVILLE, New Castle, DE

Built 1961 Load: 56.4 t ADT: 376

ARMORY RD.

Fair

Over: VINES CREEK

WEST OF OMAR, Sussex, DE

Built 1982 Load: 57.0 t ADT: 4,458

COASTAL HWY/SR1 SB

Fair

Over: CEDAR CREEK

S/E OF MILFORD, Sussex, DE

Built 1972 Load: 57.0 t ADT: 12,515

FOULK RD/SR261

Fair

Over: SHELLPOT CREEK

FAIRFAX, New Castle, DE

Built 1959 Load: 57.3 t ADT: 12,295

FAULKLAND RD/SR34

Fair

Over: RED CLAY CREEK

N.W. OF PRICES CORNER, New Castle, DE

Built 1967 Load: 57.3 t ADT: 4,704

SIXTH ST

Fair

Over: CSX

WILMINGTON, New Castle, DE

Built 1950 Load: 57.3 t ADT: 99

SR1 SB/COASTAL HWY

Fair

Over: WAPLES POND

NORTH OF MILTON, Sussex, DE

Built 1973 Load: 57.7 t ADT: 9,151

MT CUBA ROAD

Fair

Over: RED CLAY CREEK

S/E OF ASHLAND, New Castle, DE

Built 1969 Load: 58.6 t ADT: 294

DARLEY RD

Fair

Over: CSX RAILROAD

N/W OF CLAYMONT, New Castle, DE

Built 1953 Load: 59.0 t ADT: 7,677

REDDEN RD.

Fair

Over: NANTICOKE RIVER

EAST OF BRIDGEVILLE, Sussex, DE

Built 1957 Load: 59.3 t ADT: 3,013

JOHN WILLIAMS HGWY

Fair

Over: LOVE CREEK

WEST OF REHOBOTH BEACH, Sussex, DE

Built 1992 Load: 59.6 t ADT: 15,735

OLD BALTIMORE PK

Fair

Over: TRIB OF CHRISTINA CRK

S/E OF NEWARK, New Castle, DE

Built 1982 Load: 59.9 t ADT: 18,628

SR 9 / RIVER ROAD

Fair

Over: VALERO OIL PIPE LINES

W. OF DELAWARE CITY, New Castle, DE

Built 1955 Load: 60.3 t ADT: 3,961

FAWN RD

Fair

Over: NANTICOKE RIVER

NE OF BRIDGEVILLE, Sussex, DE

Built 1930 Load: 60.3 t ADT: 931

SMITH BRIDGE RD

Fair

Over: BRANDYWINE CREEK

N. OF BRANDYWINE CREEK SP, New Castle, DE

Built 1839 Load: 61.9 t ADT: 3,224

NEWPORT GAP PIKE

Fair

Over: RED CLAY CREEK

WEST OF ELSMERE, New Castle, DE

Built 1989 Load: 64.8 t ADT: 16,338

MAIN ST/CHRISTIANA

Fair

Over: CHRISTINA RIVER

CHRISTIANA, New Castle, DE

Built 1937 Load: 64.8 t ADT: 4,121

SR896

Fair

Over: MUDDY RUN

NORTH OF GLASGOW, New Castle, DE

Built 1991 Load: 66.1 t ADT: 16,773

ROUND POLE BRIDGE

Fair

Over: BEAVERDAM CREEK

EAST OF MILTON, Sussex, DE

Built 1985 Load: 66.1 t ADT: 129

LANCASTER PK/SR48

Fair

Over: CSX RAILROAD

WILMINGTON, New Castle, DE

Built 1900 Load: 66.7 t ADT: 25,639

FOULK RD/SR261

Fair

Over: SOUTH BRANCH NAAMANS CK

NORTH OF WILMINGTON, New Castle, DE

Built 1965 Load: 67.7 t ADT: 14,252

CANTERBURY RD/SR15

Fair

Over: McCOLLEY'S POND

McCOLLEY'S POND, Kent, DE

Built 1984 Load: 71.6 t ADT: 5,231

LIMESTONE RD / SR7

Fair

Over: MILL CREEK

S. OF DELCASTLE REC. AREA, New Castle, DE

Built 1962 Load: 71.9 t ADT: 33,443

MAPLE AVE

Fair

Over: CHESTNUT RUN

ELSMERE, New Castle, DE

Built 1978 Load: 74.4 t ADT: 99

Showing 551-600 of 878 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.