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

SR 1 (NB)

Good

Over: DRAWYER CREEK

NORTH OF ODESSA, New Castle, DE

Built 1999 Load: 33.7 t ADT: 24,315

SR 1 (SB)

Good

Over: DRAWYER CREEK

N. OF ODESSA, New Castle, DE

Built 1999 Load: 33.7 t ADT: 24,315

JACKSON DITCH RD

Good

Over: BROWNS BRANCH

EAST OF HARRINGTON, Kent, DE

Built 1974 Load: 34.0 t ADT: 1,469

KIRKWOOD HWY/SR2

Good

Over: CHESTNUT RUN

ELSMERE, New Castle, DE

Built 1939 Load: 34.0 t ADT: 29,701

US301

Good

Over: WATERWAY/WILDLIFE X-ING

NORTHEAST OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 34.0 t ADT: 14,602

DUPONT RD / SR100

Good

Over: DELAWARE VALLEY RR

ELSMERE, New Castle, DE

Built 1959 Load: 34.0 t ADT: 8,279

HANDY RD

Good

Over: HOUSTON BRANCH

WEST OF BRIDGEVILLE, Sussex, DE

Built 2007 Load: 34.0 t ADT: 243

SEWELL BRANCH RD

Good

Over: SEWELL BRANCH

BLACKISTON WILDLIFE AREA, Kent, DE

Built 1975 Load: 34.3 t ADT: 405

BARLEY MILL RD.

Good

Over: RED CLAY CREEK

ASHLAND, New Castle, DE

Built 1850 Load: 35.0 t ADT: 2,776

US301 SB

Good

Over: SCOTT RUN

SOUTH OF ST. GEORGES, New Castle, DE

Built 2018 Load: 35.0 t ADT: 7,656

HAY RD.

Good

Over: SHELLPOT CREEK

CHERRY ISLAND, New Castle, DE

Built 2018 Load: 35.3 t ADT: 708

HITCH POND RD.

Good

Over: HITCH POND

S/E OF LAUREL, Sussex, DE

Built 1982 Load: 35.3 t ADT: 431

BIG STONE BEACH RD

Good

Over: SWAN CREEK

N. MILFORD CITY LIMITS, Kent, DE

Built 2008 Load: 35.6 t ADT: 554

VICTORY CHAPEL RD

Good

Over: PENROSE BRANCH

WEST OF DOVER, Kent, DE

Built 2012 Load: 35.6 t ADT: 387

ALLEY MILL ROAD

Good

Over: PROVIDENCE CREEK

WEST OF CLAYTON, Kent, DE

Built 1968 Load: 36.0 t ADT: 659

BLACKBIRD STA RD

Good

Over: BLACKBIRD CREEK

S.W. OF BLACKBIRD, New Castle, DE

Built 2017 Load: 36.0 t ADT: 843

HYETTS CORNER RD

Good

Over: SCOTT RUN

SOUTHWEST OF ST. GEORGES, New Castle, DE

Built 2019 Load: 36.0 t ADT: 1,010

SUSSEX HGWY (US13)

Good

Over: CLEAR BROOK

NORTH OF SEAFORD, Sussex, DE

Built 1952 Load: 36.0 t ADT: 18,153

SEASHORE HIGHWAY

Good

Over: DEEP CREEK

WEST OF GEORGETOWN, Sussex, DE

Built 1922 Load: 36.0 t ADT: 13,664

OLD OGLETOWN RD.

Good

Over: COOL RUN

NORTH OF OGLETOWN, New Castle, DE

Built 1999 Load: 36.3 t ADT: 1,355

FRANKFORD SCHOOL R

Good

Over: VINES CREEK

FRANKFORD, Sussex, DE

Built 1988 Load: 36.3 t ADT: 394

CLAYTON DELANY RD.

Good

Over: PROVIDENCE CREEK

CLAYTON, New Castle, DE

Built 1965 Load: 36.6 t ADT: 943

WILLOW GROVE RD

Good

Over: MEREDITH BRANCH

EAST OF SANDTOWN, Kent, DE

Built 1959 Load: 36.9 t ADT: 3,341

SHADY BRIDGE RD

Good

Over: CULBRETH MARSH DITCH

SOUTH OF MARYDEL, Kent, DE

Built 2004 Load: 36.9 t ADT: 102

BEAVER DAM RD.

Good

Over: BEAVER CREEK TRIBUTARY

N/E OF CENTERVILLE, New Castle, DE

Built 1987 Load: 36.9 t ADT: 1,867

SILVER LAKE RD.

Good

Over: SILVER LAKE SPILLWAY

S.E. OF MIDDLETOWN, New Castle, DE

Built 1939 Load: 37.3 t ADT: 5,932

COASTAL HGWY/SR1

Good

Over: CEDAR CREEK

ARGOS CORNER, Sussex, DE

Built 1999 Load: 37.3 t ADT: 10,100

US301 NB

Good

Over: N/S RAILROAD

NORTH OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 37.6 t ADT: 7,301

US301 SB

Good

Over: N/S RAILROAD

NORTH OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 37.6 t ADT: 7,656

COASTAL HWY / SR1

Good

Over: BROADKILL RIVER

EAST OF MILTON, Sussex, DE

Built 1967 Load: 37.6 t ADT: 17,782

SUSSEX HWY/US13 NB

Good

Over: RECORDS POND

EAST OF LAUREL, Sussex, DE

Built 1951 Load: 37.6 t ADT: 23,291

SUSSEX HWY / US13

Good

Over: RECORDS POND

EAST OF LAUREL, Sussex, DE

Built 1951 Load: 37.6 t ADT: 23,291

GLEN MOHR DR.

Good

Over: BEAVER BRANCH

E. OF TOWNSEND, New Castle, DE

Built 2008 Load: 37.8 t ADT: 99

US301 NB

Good

Over: TRIB TO SANDY BRANCH

WEST OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 37.9 t ADT: 5,811

PORTSVILLE/W6TH ST

Good

Over: LITTLE CREEK

WEST OF LAUREL, Sussex, DE

Built 1999 Load: 37.9 t ADT: 843

SHOPPING CENTER RD

Good

Over: NAAMANS CREEK

NAAMANS AND FOULK RD, New Castle, DE

Built 2000 Load: 38.2 t ADT: 99

BAKER MILL RD

Good

Over: TYNDALL BRANCH

EAST OF SEAFORD, Sussex, DE

Built 1985 Load: 38.5 t ADT: 213

NORTH STATE ST

Good

Over: SILVER LAKE

DOVER, Kent, DE

Built 1937 Load: 38.6 t ADT: 13,040

EAGLE RUN RD

Good

Over: TRIB TO CHRISTINA RIVER

NORTHWEST OF CHRISTIANA, New Castle, DE

Built 2018 Load: 38.6 t ADT: 2,002

NOTINGHAM RD/SR273

Good

Over: CHRISTINA CREEK

NEWARK, New Castle, DE

Built 1991 Load: 38.6 t ADT: 6,877

US301 NB

Good

Over: SCOTT RUN

WEST OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 38.6 t ADT: 7,301

NEW SWEDEN ST

Good

Over: CHRISTINA RIVER

WILMINGTON, New Castle, DE

Built 2019 Load: 38.6 t ADT: 99

MARSHALL STREET

Good

Over: HERRING BRANCH

MILFORD, Sussex, DE

Built 2012 Load: 38.6 t ADT: 2,393

PENNSYLVANIA /SR52

Good

Over: WATERWAY & ABANDON R.R.

WEST WILMINGTON, New Castle, DE

Built 1919 Load: 38.8 t ADT: 14,701

STATE PARK ENTRANC

Good

Over: WILSON RUN

BRANDYWINE STATE PARK, New Castle, DE

Built 1980 Load: 38.9 t ADT: 99

IRON BRANCH RD

Good

Over: IRON BRANCH

S/E OF MILLSBORO, Sussex, DE

Built 1964 Load: 38.9 t ADT: 4,218

WILLOW GROVE RD.

Good

Over: COW MARSH BRANCH

S/W OF WILLOW GROVE, Kent, DE

Built 1959 Load: 39.5 t ADT: 3,341

IRISH HILL RD.

Good

Over: THORNDYK DITCH

S.W. OF MAGNOLIA, Kent, DE

Built 2019 Load: 39.9 t ADT: 2,191

HOLLERING HILL RD

Good

Over: COW MARSH CREEK

WEST OF WOODSIDE, Kent, DE

Built 2015 Load: 39.9 t ADT: 280

EAGLE RUN RD

Good

Over: TRIB TO CHRISTINA RIVER

NORTH OF CHRISTIANA, New Castle, DE

Built 2018 Load: 39.9 t ADT: 2,002

Showing 701-750 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.