State profile · Below median Poor share

Delaware bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Delaware, based on the FHWA National Bridge Inventory.

878
Public bridges
29.5%
Good condition
1.3%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition share 4.2%
National avg

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

Condition Distribution

Delaware40%58.3%GoodFairPoor
Bridge inventory deck-condition mix - Delaware (FHWA NBI)

Delaware vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Delaware on the same metric.

NV

Nevada

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

TX

Texas

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

DE

Delaware

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

AZ

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Delaware

US 301 NB

Good

Over: SCOTT RUN

SOUTH OF ST. GEORGES, New Castle, DE

Built 2018 Load: 61.9 t ADT: 15,312

DELAWARE AVE

Good

Over: BROAD CREEK

LAUREL, Sussex, DE

Built 1966 Load: 62.5 t ADT: 1,576

SR896

Good

Over: MUDDY RUN

NORTH OF GLASGOW, New Castle, DE

Built 1991 Load: 64.8 t ADT: 16,773

US301

Good

Over: TRIB TO SCOTT RUN

SOUTH OF ST. GEORGES, New Castle, DE

Built 2018 Load: 64.8 t ADT: 15,312

RAMP TO US301NB

Good

Over: SANDY BRANCH

WEST OF MIDDLETOWN, New Castle, DE

Built 2018 Load: 64.8 t ADT: 1,300

I 295 N & US 40 E

Good

Over: NORFOLK SOUTHERN

NEW CASTLE, New Castle, DE

Built 1951 Load: 66.4 t ADT: 49,079

PONY TRACK RD

Good

Over: COW MARSH CREEK

WEST OF VIOLA, Kent, DE

Built 1964 Load: 68.0 t ADT: 415

CANTERBURY RD/SR15

Good

Over: COURSEYS POND

COURSEYS POND, Kent, DE

Built 1986 Load: 70.0 t ADT: 4,747

MITCH RD. / SR4

Good

Over: CALF RUN

STANTON, New Castle, DE

Built 1967 Load: 79.1 t ADT: 17,372

SR 1 NORTHBOUND

Good

Over: NORFOLK SOUTHERN

NORTH OF WRANGLE HILL, New Castle, DE

Built 1995 Load: 80.7 t ADT: 30,557

SR 1 SB

Good

Over: NORFOLK SOUTHERN

NORTH OF WRANGLE HILL, New Castle, DE

Built 1995 Load: 80.7 t ADT: 30,557

NEW SWEDEN ST

Good

Over: RIVERWALK PATH

WILMINGTON, New Castle, DE

Built 2019 Load: 85.9 t ADT: 99

PEPPER POND RD

Good

Over: TRAP POND SPILLWAY

TRAP POND STATE PARK, Sussex, DE

Built 1952 Load: 86.5 t ADT: 505

MAIN ST

Good

Over: LAKE COMO SPILLWAY

SMYRNA, Kent, DE

Built 1982 Load: 95.6 t ADT: 5,090

CONCORD PK/US202

Good

Over: ROCKY RUN

NORTH OF WILMINGTON, New Castle, DE

Built 1987 Load: 97.2 t ADT: 38,705

NEW LINDEN HILL RD

Good

Over: PIKE CREEK

WEST OF MILLTOWN, New Castle, DE

Built 1970 Load: 97.2 t ADT: 15,448

JFK MEM HGWY/I95

Good

Over: SO.BRANCH NAAMANS CREEK

CLAYMONT, New Castle, DE

Built 1966 Load: 97.2 t ADT: 40,419

CODS ROAD

Poor

Over: SLAUGHTER CREEK

WEST OF FOWLER BEACH, Sussex, DE

Built 1931 Load: 16.2 t ADT: 77

US ROUTE 13

Poor

Over: C & D CANAL

4.5 MI. W. OF REEDY PT., Kent, DE

Built 1941 Load: 24.3 t ADT: 10,208

LEBANON RD/SR10 WB

Poor

Over: ST. JONES RIVER

SOUTH OF DOVER, Kent, DE

Built 1965 Load: 30.8 t ADT: 8,726

MAPLE AVE

Poor

Over: MISPILLION RIVER

MILFORD, Kent, DE

Built 1977 Load: 32.7 t ADT: 99

CRAIGS MILL RD

Poor

Over: CRAIGS POND SPILLWAY

WEST OF SEAFORD, Sussex, DE

Built 1973 Load: 32.7 t ADT: 200

PRIVATE/PARK ROAD

Poor

Over: RED CLAY CREEK

YORKLYN AREA, New Castle, DE

Built 1915 Load: 35.0 t ADT: 99

JAMES ST.

Poor

Over: CHRISTINA RIVER

NEWPORT BRIDGE, New Castle, DE

Built 1929 Load: 35.9 t ADT: 4,556

GUYENCOURT RD.

Poor

Over: READING RR

BRANDYWINE AREA, New Castle, DE

Built 1918 Load: 37.6 t ADT: 532

DUPONT PKW/US13 SB

Poor

Over: BLACKBIRD CREEK

NORTH OF BLACKBIRD, New Castle, DE

Built 1920 Load: 42.8 t ADT: 10,619

SR 54

Poor

Over: ASSAWOMAN BAY

FENWICK ISLAND, Sussex, DE

Built 1957 Load: 43.1 t ADT: 7,555

SR 9

Poor

Over: APPOQUINIMINK RIVER

N/E OF ODESSA, New Castle, DE

Built 1973 Load: 48.3 t ADT: 840

Showing 851-878 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.