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

SUMMIT BRIDGE RD

Fair

Over: CATTAIL BRANCH

N. TOWNSEND LIMITS, New Castle, DE

Built 1936 Load: 38.2 t ADT: 7,273

McGINNIS POND RD

Fair

Over: MC GINNIS POND

EAST OF CANTERBURY, Kent, DE

Built 1968 Load: 38.6 t ADT: 1,513

WALTHER ROAD

Fair

Over: CHRISTINA CREEK

NORTHWEST OF BEAR, New Castle, DE

Built 1978 Load: 38.9 t ADT: 10,511

POPLAR ST/ RD 535B

Fair

Over: WILLIAMS POND

SEAFORD, Sussex, DE

Built 1954 Load: 38.9 t ADT: 847

SYCAMORE RD

Fair

Over: ELLIOT POND BRANCH

NEOF LAUREL, Sussex, DE

Built 2012 Load: 38.9 t ADT: 1,436

S. LITTLE CREEK RD

Fair

Over: LITTLE RIVER

WEST OF LITTLE CREEK, Kent, DE

Built 2000 Load: 39.2 t ADT: 1,177

BRANDYWINE CREEK R

Fair

Over: TRIB. TO BRANDYWINE

N/E OF CENTERVILLE, New Castle, DE

Built 1960 Load: 39.2 t ADT: 434

I 295 S TO SR 9 N

Fair

Over: DRAINAGE DITCH

NEW CASTLE, New Castle, DE

Built 1965 Load: 39.2 t ADT: 5,832

BRIDGEVILLE HGWY

Fair

Over: CLEAR BROOK

NORTH SEAFORD LIMITS, Sussex, DE

Built 1919 Load: 39.2 t ADT: 4,272

OLD FURNACE RD.

Fair

Over: GRAVELLY FORK

N.E. OF SEAFORD, Sussex, DE

Built 1999 Load: 39.2 t ADT: 4,937

LUCKS DR

Fair

Over: SHADES BRANCH

S.E. OF MARYDEL, Kent, DE

Built 1985 Load: 39.5 t ADT: 417

LEBANON RD/SR10 EB

Fair

Over: ST. JONES RIVER

SOUTH OF DOVER, Kent, DE

Built 1978 Load: 39.9 t ADT: 8,725

I 295 SB RD 56

Fair

Over: NORFOLK SOUTHERN

NEW CASTLE, New Castle, DE

Built 1966 Load: 39.9 t ADT: 49,079

I 495

Fair

Over: HOLLYOAK CREEK

CLAYMONT, New Castle, DE

Built 1972 Load: 39.9 t ADT: 54,808

MT PLEASANT RD

Fair

Over: TUSSOCKY BRANCH

SW OF LAUREL, Sussex, DE

Built 1986 Load: 40.1 t ADT: 1,539

FOULK RD/SR261

Fair

Over: S. BRANCH NAAMANS CREEK

N/W OF ARDEN, New Castle, DE

Built 1965 Load: 40.2 t ADT: 9,448

NEW BURTON RD

Fair

Over: ISAAC BRANCH

WYOMING, Kent, DE

Built 1998 Load: 40.5 t ADT: 4,960

ROCKLAND RD

Fair

Over: HUSBANDS RUN

NORTH OF WILMINGTON, New Castle, DE

Built 1932 Load: 40.5 t ADT: 3,394

OLD KENNETT RD

Fair

Over: BARROW'S RUN

N/E OF YORKLYN, New Castle, DE

Built 1988 Load: 40.5 t ADT: 2,465

CHRISTINA PARKWAY

Fair

Over: AMTRAK & CONRAIL

NEWARK, New Castle, DE

Built 1980 Load: 40.5 t ADT: 36,174

REDDEN RD.

Fair

Over: GUM BRANCH

EAST OF BRIDGEVILLE, Sussex, DE

Built 1957 Load: 40.5 t ADT: 3,013

OLD WILMINGTON RD.

Fair

Over: WILM & WEST R/R

EAST OF HOCKESSIN, New Castle, DE

Built 1987 Load: 40.8 t ADT: 3,451

WILMINGTON RD

Fair

Over: NARROW DYKE CANAL

NEW CASTLE, New Castle, DE

Built 1979 Load: 40.8 t ADT: 836

SHARON HILL RD

Fair

Over: CAHOON BRANCH

WEST OF DOVER, Kent, DE

Built 1996 Load: 41.1 t ADT: 739

C & R CENTER RD

Fair

Over: IRON MINE PRONG

WEST OF VIOLA, Kent, DE

Built 1958 Load: 41.1 t ADT: 186

NAAMANS RD / SR92

Fair

Over: NAAMANS CREEK

WEST OF NAAMANS, New Castle, DE

Built 1999 Load: 41.1 t ADT: 20,032

MCCOY RD

Fair

Over: DRAGON CREEK

E. OF LUMS POND, New Castle, DE

Built 1986 Load: 41.1 t ADT: 2,087

US13SB/DUPONT PKY

Fair

Over: DRAWYERS CREEK

NORTH OF ODESSA, New Castle, DE

Built 1964 Load: 41.1 t ADT: 14,162

VIETNAM VET MEM HY

Fair

Over: NORFOLK SOUTHERN

EAST WILMINGTON/EDGEMOOR, New Castle, DE

Built 1975 Load: 41.1 t ADT: 44,784

SR1 SOUTHBOUND

Fair

Over: SCOTT RUN

S. OF ST. GEORGES, New Castle, DE

Built 1994 Load: 41.1 t ADT: 49,360

THOMPSONVILLE RD.

Fair

Over: BETTS POND

NW OF MILLSBORO, Sussex, DE

Built 2003 Load: 41.1 t ADT: 3,914

BROADKILL RD.

Fair

Over: TRIB. OF BROADKILL RIVER

WEST OF BROADKILL BEACH, Sussex, DE

Built 1989 Load: 41.1 t ADT: 2,301

DARLEY RD

Fair

Over: NAAMANS CREEK

WEST OF NAAMANS, New Castle, DE

Built 1959 Load: 41.5 t ADT: 6,438

SEARS BLVD

Fair

Over: HERSHEY RUN

S/E OF STANTON, New Castle, DE

Built 1995 Load: 41.5 t ADT: 785

PIKE CREEK RD.

Fair

Over: PIKE CREEK

N/W OF DELAWARE PARK, New Castle, DE

Built 1988 Load: 41.5 t ADT: 5,313

CAPITOL TRAIL/SR2

Fair

Over: WHITE CLAY CREEK

WINDY HILLS, N/E NEWARK, New Castle, DE

Built 1955 Load: 41.5 t ADT: 23,150

SALEM CHURCH RD

Fair

Over: CHRISTINA CREEK

S/E OF NEWARK, New Castle, DE

Built 1958 Load: 41.5 t ADT: 11,408

SR4 WESTBOUND

Fair

Over: RED CLAY CREEK

STANTON, New Castle, DE

Built 1967 Load: 41.8 t ADT: 14,182

PILOT TOWN RD

Fair

Over: CANARY CREEK

LEWES, Sussex, DE

Built 1986 Load: 41.8 t ADT: 2,514

ANDREWS LAKE RD

Fair

Over: ANDREWS LAKE

N/W OF FREDERICA, Kent, DE

Built 1964 Load: 42.1 t ADT: 955

NAAMANS RD/SR92 EB

Fair

Over: CSX RAILROAD

N. OF CLAYMONT, New Castle, DE

Built 1992 Load: 42.1 t ADT: 10,873

NAAMANS RD/SR92 WB

Fair

Over: CSX RAILROAD

N. OF CLAYMONT, New Castle, DE

Built 1992 Load: 42.1 t ADT: 21,745

SR7 & SR4

Fair

Over: AMTRAK

STANTON, New Castle, DE

Built 1983 Load: 42.4 t ADT: 26,432

SR 7 / SR 4

Fair

Over: AMTRAK

STANTON, New Castle, DE

Built 1983 Load: 42.4 t ADT: 26,432

KOREAN WAR MEM HGY

Fair

Over: SCOTT RUN

S. OF ST. GEORGES, New Castle, DE

Built 1994 Load: 42.4 t ADT: 49,359

SUSSEX HGWY / US13

Fair

Over: GRAVELLY RUN

EAST OF BRIDGEVILLE, Sussex, DE

Built 1951 Load: 42.4 t ADT: 23,386

GRIFFITHS LAKE DR

Fair

Over: GRIFFITH LAKE SPILLWAY

WEST OF MILFORD, Sussex, DE

Built 1988 Load: 42.4 t ADT: 1,421

SORGHUM MILL RD.

Fair

Over: TIDBURY CREEK

LEBANON, Kent, DE

Built 1989 Load: 42.8 t ADT: 4,215

NEW ROAD

Fair

Over: LITTLE MILL CREEK

ELSMERE, New Castle, DE

Built 1917 Load: 42.8 t ADT: 1,317

WELSH TRACT RD.

Fair

Over: CHRISTINA CREEK

SOUTH NEWARK, New Castle, DE

Built 1961 Load: 42.8 t ADT: 5,522

Showing 451-500 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.