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

DUPONT PKWY/US13 S

Fair

Over: WATERWAY

S. OF WILMINGTON, New Castle, DE

Built 1992 Load: 33.0 t ADT: 14,790

US 9

Fair

Over: DELAWARE BAY

LEWES FERRY, Sussex, DE

Built 1964 Load: 33.0 t ADT: 580

US 9

Fair

Over: DELAWARE BAY

LEWES FERRY, Sussex, DE

Built 1964 Load: 33.0 t ADT: 1,237

BAYARD AVE./SR1A

Fair

Over: SILVER LAKE

SOUTH REHOBOTH, Sussex, DE

Built 1938 Load: 33.0 t ADT: 7,275

DUPONT HWY/US13

Fair

Over: ISAACS BRANCH

SOUTH OF DOVER, Kent, DE

Built 1952 Load: 33.4 t ADT: 38,782

FORK LANDING RD

Fair

Over: BROWNS BRANCH

S.W. OF FREDERICA, Kent, DE

Built 1957 Load: 33.4 t ADT: 281

SR273 / OGLETOWN R

Fair

Over: AMTRAK

OGLETOWN, New Castle, DE

Built 1997 Load: 33.4 t ADT: 25,799

RIFLE RANGE RD

Fair

Over: NANTICOKE RIVER

EAST OF BRIDGEVILLE, Sussex, DE

Built 1969 Load: 33.4 t ADT: 1,903

GERMAN RD

Fair

Over: CONCORD POND SPILLWAY

CONCORD POND, Sussex, DE

Built 1980 Load: 33.4 t ADT: 5,902

DOUBLE BRIDGES RD

Fair

Over: MILLER CREEK

SOUTH OF OCEAN VIEW, Sussex, DE

Built 1986 Load: 33.4 t ADT: 3,100

COW MARSH CREEK RD

Fair

Over: COW MARSH DITCH

W. OF VIOLA, Kent, DE

Built 1981 Load: 33.7 t ADT: 427

KOREAN WAR VET MEM

Fair

Over: STONEY CREEK

DELAIRES, New Castle, DE

Built 1972 Load: 33.7 t ADT: 37,755

MAIN STREET

Fair

Over: TIDY ISLAND CREEK

SOUTH OF MARYDEL, Kent, DE

Built 1975 Load: 34.0 t ADT: 1,321

NAAMANS RD / SR92

Fair

Over: NAAMANS CREEK

WEST OF MARCUS HOOK, New Castle, DE

Built 1988 Load: 34.0 t ADT: 11,915

WAY ROAD

Fair

Over: TRIB OF RED CLAY CREEK

EAST OF ASHLAND, New Castle, DE

Built 1966 Load: 34.0 t ADT: 929

UPPER PIKE CREEK R

Fair

Over: PIKE CREEK

E. OF WHITE CLAY PARK, New Castle, DE

Built 1970 Load: 34.0 t ADT: 1,450

SR 299/MAIN STREET

Fair

Over: APPOQUINIMINK RIVER

S/E ODESSA LIMITS, New Castle, DE

Built 1928 Load: 34.0 t ADT: 3,582

HIGH ST

Fair

Over: NORFOLK SOUTHERN

SEAFORD, Sussex, DE

Built 1941 Load: 34.0 t ADT: 6,755

BENGE RD.

Fair

Over: RED CLAY CREEK

YORKLYN, New Castle, DE

Built 1971 Load: 34.3 t ADT: 442

KIAMENSI RD

Fair

Over: RED CLAY CREEK

S.W. OF NEWPORT, New Castle, DE

Built 1989 Load: 34.3 t ADT: 1,925

SUNSET LAKE RD

Fair

Over: MUDDY RUN

SOUTH OF NEWARK, New Castle, DE

Built 1958 Load: 34.3 t ADT: 16,655

BRENNEN DR

Fair

Over: TRIB. TO WHITE CLAY CREE

TODD ESTATES, New Castle, DE

Built 1976 Load: 34.6 t ADT: 99

FAST LANDING RD

Fair

Over: DYKE BRANCH

LEIPSIC, Kent, DE

Built 1995 Load: 34.7 t ADT: 782

DARLEY RD

Fair

Over: NAAMANS CREEK

WEST OF NAAMANS, New Castle, DE

Built 1959 Load: 34.7 t ADT: 6,438

KOREAN WAR VET MEM

Fair

Over: APPOQUINIMINK RIVER

SOUTH OF ODESSA, New Castle, DE

Built 1999 Load: 34.7 t ADT: 18,626

REDDEN RD.

Fair

Over: GRAVELLY BRANCH

N.W. OF GEORGETOWN, Sussex, DE

Built 1934 Load: 34.7 t ADT: 2,950

FLEETWOOD POND RD

Fair

Over: FLEETWOOD POND SPILLWAY

EAST OF SEAFORD, Sussex, DE

Built 1967 Load: 35.0 t ADT: 454

GOV PRINTZ BLVD

Fair

Over: SHELLPOT CREEK

WILMINGTON, New Castle, DE

Built 1934 Load: 35.3 t ADT: 10,395

ELKTON RD/SR2

Fair

Over: WEST BRANCH

S/W NEWARK, New Castle, DE

Built 1968 Load: 35.6 t ADT: 29,655

CARR RD

Fair

Over: SHELLPOT CREEK

EAST OF WILMINGTON, New Castle, DE

Built 1965 Load: 35.6 t ADT: 1,717

12TH ST-I495 RAMP

Fair

Over: 48" PIPE / DRAINAGE AREA

WILMINGTON, New Castle, DE

Built 1976 Load: 36.0 t ADT: 1,012

WOODLAND BEACH RD.

Fair

Over: DUCK CREEK

WOODLAND BEACH, Kent, DE

Built 1971 Load: 36.3 t ADT: 370

FAULKLAND RD

Fair

Over: HYDE RUN

W. OF BRANDYWINE PARK, New Castle, DE

Built 1922 Load: 36.3 t ADT: 3,319

SR 141

Fair

Over: CSX RAILROAD

NORTH OF NEWPORT, New Castle, DE

Built 1979 Load: 36.3 t ADT: 50,659

JFK MEM HGY/I95NB

Fair

Over: CSX RAILROAD

N.E. OF WILMINGTON, New Castle, DE

Built 1968 Load: 36.3 t ADT: 32,346

LION HOPE RD

Fair

Over: GRAVELLY RUN

WEST OF KENTON, Kent, DE

Built 2011 Load: 36.9 t ADT: 302

GREENVILLE RD

Fair

Over: GREEN BRANCH

S/W OF HARRINGTON, Kent, DE

Built 1986 Load: 36.9 t ADT: 242

WOODLAND RD

Fair

Over: CHAPEL BRANCH

S.W. OF SEAFORD, Sussex, DE

Built 1966 Load: 36.9 t ADT: 1,274

MARKET ST

Fair

Over: MURDERKILL RIVER

FREDERICA, Kent, DE

Built 1996 Load: 37.3 t ADT: 398

MARYLAND AVE/SR4

Fair

Over: LITTLE MILL CREEK

WEST OF WILMINGTON, New Castle, DE

Built 1931 Load: 37.3 t ADT: 19,291

SR 9

Fair

Over: APPOQUINIMINK RIVER

N/E OF ODESSA, New Castle, DE

Built 1973 Load: 37.3 t ADT: 840

HYETTS CORNER RD

Fair

Over: US301

WEST OF BIDDLES CORNER, New Castle, DE

Built 2019 Load: 37.3 t ADT: 1,010

FOULK RD/SR261

Fair

Over: TRIBUTARY -NAAMANS CREEK

NORTH OF WILMINGTON, New Castle, DE

Built 1965 Load: 37.3 t ADT: 10,500

US13NB/DUPONT PKY

Fair

Over: DRAWYERS CREEK

NORTH OF ODESSA, New Castle, DE

Built 1933 Load: 37.6 t ADT: 28,234

COASTAL HGWY /SR1

Fair

Over: BROADKILL RIVER

EAST OF MILTON, Sussex, DE

Built 1967 Load: 37.6 t ADT: 17,782

GODWIN SCHOOL RD.

Fair

Over: INGRAM POND

WEST OF MILLSBORO, Sussex, DE

Built 1957 Load: 37.6 t ADT: 746

MAHAN CORNER RD

Fair

Over: CULBRETH MARSH DITCH

S.E OF MARYDEL, Kent, DE

Built 1957 Load: 38.2 t ADT: 673

FERRY CUT OFF RD

Fair

Over: NARROW DYKE CANAL

NEW CASTLE, New Castle, DE

Built 1983 Load: 38.2 t ADT: 2,818

US 13 NB/DUPONT PA

Fair

Over: APPOQUINIMINK RIVER

SOUTH OF ODESSA, New Castle, DE

Built 1985 Load: 38.2 t ADT: 8,837

US 13 SB

Fair

Over: APPOQUINIMINK RIVER

SOUTH OF ODESSA, New Castle, DE

Built 1984 Load: 38.2 t ADT: 8,637

Showing 401-450 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.