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

GALLO RD

Good

Over: GREEN BRANCH

WEST OF FARMINGTON, Kent, DE

Built 1985 Load: 45.0 t ADT: 569

SR 9/TAYLORS BR RD

Good

Over: HANGMAN RUN

S.E. OF ODESSA, New Castle, DE

Built 1996 Load: 45.4 t ADT: 686

CLAYTON/DELANEY RD

Good

Over: CYPRESS BRANCH

N.W. OF CLAYTON, New Castle, DE

Built 1964 Load: 46.0 t ADT: 454

JACKSON DITCH RD.

Good

Over: BROWNS BRANCH

N.E. HARRINGTON, Kent, DE

Built 2012 Load: 46.3 t ADT: 531

BEECH HILL DR

Good

Over: PIKE CREEK

WEST OF PIKE CREEK, New Castle, DE

Built 2009 Load: 46.7 t ADT: 99

VINES CREEK RD

Good

Over: VINES CREEK

EAST OF DAGSBORO, Sussex, DE

Built 1990 Load: 46.7 t ADT: 9,671

CARPENTER BRIDGE R

Good

Over: ASH GUT

S/W OF FREDERICA, Kent, DE

Built 1991 Load: 47.0 t ADT: 2,811

RUM BRIDGE RD.

Good

Over: MCCOLLEY'S BRANCH

WEST OF GEORGETOWN, Sussex, DE

Built 2015 Load: 47.0 t ADT: 454

KOREAN WAR VET MEM

Good

Over: ALSTON BRANCH

NORTH OF CHESWOLD, Kent, DE

Built 1993 Load: 47.3 t ADT: 21,019

KOREAN WAR VET MEM

Good

Over: ALSTON BRANCH

NORTH OF CHESWOLD, Kent, DE

Built 1992 Load: 47.3 t ADT: 21,019

RAMP 6332 TO SR1

Good

Over: EAGLE RUN

CHRISTIANA, New Castle, DE

Built 1992 Load: 47.3 t ADT: 1,934

MCQUAIL RD

Good

Over: CORKS POINT DITCH

N.E. OF SMYRNA, New Castle, DE

Built 1994 Load: 47.3 t ADT: 107

LANCASTER PK/SR48

Good

Over: RED CLAY CREEK

SOUTH OF WOODDALE, New Castle, DE

Built 2002 Load: 47.6 t ADT: 21,003

MAHAN CORNER RD

Good

Over: COW MARSH CREEK

NORTH OF SANDTOWN, Kent, DE

Built 1957 Load: 48.0 t ADT: 673

PRIME HOOK RD

Good

Over: OLD SLAUGHTER CREEK

PRIME HOOK, Sussex, DE

Built 2016 Load: 48.0 t ADT: 449

TWIN WILLOWS RD.

Good

Over: SNOWS BRANCH

S.E. OF SMYRNA, Kent, DE

Built 1996 Load: 48.6 t ADT: 585

OLD NEWARK RD

Good

Over: COOL RUN

S/E OF NEWARK, New Castle, DE

Built 2017 Load: 48.9 t ADT: 2,706

OMAR RD.

Good

Over: VINES CREEK

E. OF FRANKFORD, Sussex, DE

Built 1999 Load: 48.9 t ADT: 3,580

WEST RAILROAD AVE

Good

Over: ISAAC BRANCH

WYOMING, Kent, DE

Built 2013 Load: 49.6 t ADT: 6,220

CEDAR CREEK RD/SR3

Good

Over: CEDAR CREEK/SWIGGETS PON

S.E. OF MILFORD, Sussex, DE

Built 1987 Load: 49.6 t ADT: 5,189

KOREAN WAR VET MEM

Good

Over: RED LION CREEK

N/W OF DELAWARE CITY, New Castle, DE

Built 1994 Load: 50.2 t ADT: 39,892

KOREAN WAR VET MEM

Good

Over: RED LION CREEK

N/W OF DELAWARE CITY, New Castle, DE

Built 1996 Load: 50.2 t ADT: 39,892

UNION ST

Good

Over: BROADKILL RIVER

MILTON, Sussex, DE

Built 1993 Load: 50.2 t ADT: 4,529

MCKEE RD.

Good

Over: MUDSTONE BRANCH

N/W OF DOVER, Kent, DE

Built 1996 Load: 50.5 t ADT: 4,661

UPPER KING RD.

Good

Over: TIDBURY CREEK

NORTH OF WOODSIDE, Kent, DE

Built 2000 Load: 50.9 t ADT: 4,661

ST. ANNS CHURCH RD

Good

Over: NORFOLK SOUTHERN

SOUTH OF MIDDLETOWN, New Castle, DE

Built 2010 Load: 51.2 t ADT: 3,407

N. LITTLE CREEK RD

Good

Over: LITTLE RIVER

EAST OF DOVER, Kent, DE

Built 2014 Load: 51.8 t ADT: 865

SHARPLESS RD

Good

Over: RED CLAY CREEK

NORTH OF ASHLAND, New Castle, DE

Built 1976 Load: 52.2 t ADT: 815

SIGNATURE BLVD

Good

Over: DRUM CREEK

SOUTHWEST OF FENWICK, Sussex, DE

Built 2004 Load: 52.2 t ADT: 139

CHESTNUT GROVE RD

Good

Over: CAHOON BRANCH

WEST OF DOVER, Kent, DE

Built 2013 Load: 52.5 t ADT: 2,325

CANTERBURY RD/SR15

Good

Over: HUDSON BRANCH

EAST OF CANTERBURY, Kent, DE

Built 2013 Load: 52.8 t ADT: 4,070

WALKER SCHOOL RD

Good

Over: SAW MILL BRANCH

EAST OF BLACKBIRD, New Castle, DE

Built 1998 Load: 52.8 t ADT: 497

OLD CAPITOL TRAIL

Good

Over: MILL CREEK

N. OF DELAWARE PARK, New Castle, DE

Built 1996 Load: 54.4 t ADT: 3,894

DENNEYS RD

Good

Over: FORK BRANCH

NORTH OF DOVER, Kent, DE

Built 2015 Load: 54.8 t ADT: 1,486

WASHINGTON ST

Good

Over: MISPILLION RIVER

MILFORD, Kent, DE

Built 1933 Load: 54.8 t ADT: 99

US301 NB

Good

Over: DRAWYER CREEK

NORTH OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 54.8 t ADT: 7,301

US301 SB

Good

Over: DRAWYER CREEK

NORTH OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 54.8 t ADT: 7,301

BARRETT'S CHAP

Good

Over: DOUBLE RUN CREEK

SOUTH OF LITTLE HEAVEN, Kent, DE

Built 2015 Load: 56.1 t ADT: 1,754

CENTER RD/SR141

Good

Over: LITTLE MILL CREEK

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

Built 2010 Load: 56.7 t ADT: 28,927

GOVERNR PRNTZ BLVD

Good

Over: STONEY CREEK

BELLEVUE, New Castle, DE

Built 1934 Load: 57.3 t ADT: 5,255

US113N/DUPONT BLVD

Good

Over: HAVEN LAKE

WEST MILFORD, Kent, DE

Built 1963 Load: 57.7 t ADT: 14,589

HALLTOWN RD/SR8

Good

Over: BEAVERDAM DITCH

EAST OF MARYDEL, Kent, DE

Built 2019 Load: 58.0 t ADT: 4,308

GRANT AVE.

Good

Over: MILL CREEK

HOCKESSIN, New Castle, DE

Built 2022 Load: 58.0 t ADT: 99

WEST ROBBINS RD.

Good

Over: GRAVELLY DITCH

N.W. OF GEORGETOWN, Sussex, DE

Built 2023 Load: 58.3 t ADT: 518

DAISY RD.

Good

Over: POCOMOKE RIVER

EAST OF GUMBORO, Sussex, DE

Built 2016 Load: 58.6 t ADT: 770

JOHNSON STORE RD

Good

Over: DIRICKSON CREEK

JOHNSON, Sussex, DE

Built 1961 Load: 59.0 t ADT: 2,805

WALNUT ST

Good

Over: MISPILLION RIVER

MILFORD, Kent, DE

Built 1987 Load: 59.3 t ADT: 4,888

PARKSIDE BLVD

Good

Over: PERKINS RUN

SOUTHEAST OF ARDEN, New Castle, DE

Built 2020 Load: 59.9 t ADT: 99

TEXAS LN

Good

Over: MUDDY BRANCH

S/E OF LEIPSIC, Kent, DE

Built 2000 Load: 61.6 t ADT: 178

CHESTNUT HILL RD.

Good

Over: TRIB OF CHRISTINA CRK

SOUTH NEWARK, New Castle, DE

Built 1984 Load: 61.6 t ADT: 8,596

Showing 801-850 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.