Total Bridges
878
Public highway bridges in Delaware
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
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)
Counties (3)
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
48
Texas
1.13% top marginal rate
10
Delaware
1.25% top marginal rate
11
District of Columbia
1.26% top marginal rate
04
Arizona
1.44% top marginal rate
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.
CODS ROAD
Structurally DeficientOver: SLAUGHTER CREEK
WEST OF FOWLER BEACH, Sussex, DE
Built 1931 Load: 16.2 t ADT: 77
US ROUTE 13
PoorOver: 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
PoorOver: ST. JONES RIVER
SOUTH OF DOVER, Kent, DE
Built 1965 Load: 30.8 t ADT: 8,726
MAPLE AVE
Structurally DeficientOver: MISPILLION RIVER
MILFORD, Kent, DE
Built 1977 Load: 32.7 t ADT: 99
CRAIGS MILL RD
PoorOver: CRAIGS POND SPILLWAY
WEST OF SEAFORD, Sussex, DE
Built 1973 Load: 32.7 t ADT: 200
PRIVATE/PARK ROAD
PoorOver: RED CLAY CREEK
YORKLYN AREA, New Castle, DE
Built 1915 Load: 35.0 t ADT: 99
All Bridges in Delaware
I 295 S & US 40 W
FairOver: DELAWARE RIVER
NEW CASTLE, New Castle, DE
Built 1968 Load: 22.7 t ADT: 50,098
SMYRNA-LEIPSIC RD
FairOver: LEIPSIC RIVER
LEIPSIC, Kent, DE
Built 1952 Load: 23.0 t ADT: 2,255
OLD CAPITAL TRAIL
FairOver: RED CLAY CREEK
MARSHALLTON, New Castle, DE
Built 1931 Load: 23.0 t ADT: 10,072
LIBRARY AVE/SR 72
FairOver: AMTRAK
NEWARK, New Castle, DE
Built 1979 Load: 23.0 t ADT: 29,899
DUPONT HWY / US13N
FairOver: LITTLE DUCK CREEK
GARRISON LAKE, Kent, DE
Built 1934 Load: 23.3 t ADT: 14,174
BROADKILL RD/SR16
FairOver: BROADKILL SOUND
BROADKILL BEACH, Sussex, DE
Built 1977 Load: 23.3 t ADT: 2,331
DUPONT HWY / US13S
FairOver: LEIPSIC RIVER
S. OF SMYRNA, Kent, DE
Built 1929 Load: 23.7 t ADT: 1,419
WHITELEYSBURG RD
FairOver: MARSHYHOPE DITCH
WEST OF HARRINGTON, Kent, DE
Built 1931 Load: 23.7 t ADT: 1,571
CREEK RD/SR82
FairOver: RED CLAY CREEK
ASHLAND, New Castle, DE
Built 1939 Load: 23.7 t ADT: 2,428
SOUTH MARKET ST
FairOver: CHRISTINA RIVER
WILMINGTON, New Castle, DE
Built 1927 Load: 23.7 t ADT: 28,725
ZOAR RD.
FairOver: MORRIS MILL POND
NORTH OF MILLSBORO, Sussex, DE
Built 1932 Load: 23.7 t ADT: 6,149
SOUTH LINCOLN ST
FairOver: CANBY PARK VIADUCT
WILMINGTON, New Castle, DE
Built 1963 Load: 24.0 t ADT: 20,027
DUPONT BLVD/US113
FairOver: WARTONS BRANCH
NORTH OF DAGSBORO, Sussex, DE
Built 1911 Load: 24.0 t ADT: 23,985
US13/DUPONT HWGY
FairOver: PUNCHEON RUN
DOVER, Kent, DE
Built 1951 Load: 24.3 t ADT: 22,808
KENTON RD/SR15
FairOver: FORK BRANCH
SOUTH OF CHESWOLD, Kent, DE
Built 1934 Load: 24.3 t ADT: 6,183
BAYSIDE DR/SR9
FairOver: LITTLE RIVER
LITTLE CREEK, Kent, DE
Built 1996 Load: 24.6 t ADT: 2,011
NEW WARF RD
FairOver: SWAN CREEK
EAST OF MILFORD, Kent, DE
Built 1971 Load: 24.6 t ADT: 272
RED MILL RD
FairOver: AMTRAK
EAST OF NEWARK, New Castle, DE
Built 1978 Load: 24.6 t ADT: 14,697
CHURCH RD.
FairOver: CHRISTINA CREEK
N/W NEWARK, New Castle, DE
Built 1968 Load: 24.6 t ADT: 446
BEAR CORBITT RD
FairOver: RED LION CREEK
N/W OF DELAWARE CITY, New Castle, DE
Built 1927 Load: 24.6 t ADT: 5,066
SEASHORE HY/SR18
FairOver: NANTICOKE RIVER
EAST OF BRIDGEVILLE, Sussex, DE
Built 1920 Load: 24.6 t ADT: 11,140
CLENDANIEL POND RD
FairOver: CLENDANIEL POND
SOUTH OF MILFORD, Sussex, DE
Built 1932 Load: 24.6 t ADT: 1,346
DUPONT HWY/US13
FairOver: ST. JONES RIVER
DOVER, Kent, DE
Built 1951 Load: 24.9 t ADT: 22,690
BARLEY MILL RD
FairOver: RED CLAY CREEK
MT. CUBA, New Castle, DE
Built 1949 Load: 24.9 t ADT: 951
NEW ROAD
FairOver: WATERWAY
ELSMERE, New Castle, DE
Built 1917 Load: 24.9 t ADT: 674
SUNSET LAKE RD
FairOver: CHRISTINA CREEK
S. OF NEWARK, New Castle, DE
Built 1969 Load: 25.3 t ADT: 14,546
EAST PARK DRIVE
FairOver: GOLF CART & BIKE/PED WAY
N. OF WILMINGTON, New Castle, DE
Built 2007 Load: 25.6 t ADT: 3,469
HILLS MARKET RD
FairOver: BLACK SWAMP CREEK
S/W OF FELTON, Kent, DE
Built 1949 Load: 25.9 t ADT: 667
WILSON ROAD
FairOver: SHELLPOT CREEK
NORTH OF WILMINGTON, New Castle, DE
Built 1954 Load: 25.9 t ADT: 5,698
HARVEY ROAD
FairOver: CSX RAILROAD
SOUTH OF ARDEN, New Castle, DE
Built 1953 Load: 25.9 t ADT: 11,999
COASTAL HGWY/SR1
FairOver: MISPILLION RIVER
MILFORD, Sussex, DE
Built 1971 Load: 25.9 t ADT: 12,269
NEWPORT RD.
FairOver: RED CLAY CREEK
MARSHALLTON, New Castle, DE
Built 1954 Load: 26.2 t ADT: 3,401
WEDGEWOOD RD
FairOver: CHRISTINA CREEK
WEST OF NEWARK, New Castle, DE
Built 1969 Load: 26.2 t ADT: 1,125
NOXONTOWN RD.
FairOver: NOXONTOWN POND/SPILLWAY
S/E MIDDLETOWN LIMITS, New Castle, DE
Built 1967 Load: 26.2 t ADT: 2,491
SANDBOX RD
FairOver: BROWNS BRANCH
N.E. OF HARRINGTON, Kent, DE
Built 1966 Load: 26.6 t ADT: 426
CHURCHMANS RD
FairOver: CHRISTINA CREEK
W. OF NEW CASTLE AIRPORT, New Castle, DE
Built 1972 Load: 26.6 t ADT: 19,267
DUPONT PKY/US13 NB
FairOver: BLACKBIRD CREEK
NORTH OF BLACKBIRD, New Castle, DE
Built 1933 Load: 26.6 t ADT: 10,738
APPLE RD
FairOver: CSX RAILROAD
NEWARK, New Castle, DE
Built 1970 Load: 26.6 t ADT: 646
BARKSDALE RD
FairOver: CHRISTINA CREEK
WEST OF NEWARK, New Castle, DE
Built 1962 Load: 26.9 t ADT: 4,750
S. COLLEGE AVE. NB
FairOver: CHRISTINA CREEK
SOUTH NEWARK, New Castle, DE
Built 1962 Load: 26.9 t ADT: 34,108
WOOTEN RD
FairOver: TRUSSUM POND SPILLWAY
S/E OF LAUREL, Sussex, DE
Built 1970 Load: 26.9 t ADT: 1,299
DIVISION ST. / SR8
FairOver: ST. JONES RIVER
DOVER, Kent, DE
Built 1885 Load: 27.2 t ADT: 11,547
SR 7 / SR 4
FairOver: WHITE CLAY CREEK
WEST OF NEWPORT, New Castle, DE
Built 1981 Load: 27.2 t ADT: 26,432
SR 9
FairOver: ST. GEORGES CREEK
N. OF PORT PENN, New Castle, DE
Built 1952 Load: 27.2 t ADT: 2,135
TARAILA RD
FairOver: BEAVERDAM TAX DITCH
NORTH OF MARYDEL, Kent, DE
Built 1959 Load: 27.5 t ADT: 1,022
ATLANTIC AVE /SR26
FairOver: ASSAWOMAN CANAL
OCEAN VIEW, Sussex, DE
Built 1987 Load: 27.5 t ADT: 12,852
RED MILL RD
FairOver: WHITE CLAY CREEK
EAST OF NEWARK, New Castle, DE
Built 1970 Load: 27.9 t ADT: 22,307
OTTS CHAPEL RD.
FairOver: AMTRAK
WEST OF NEWARK, New Castle, DE
Built 1977 Load: 27.9 t ADT: 18,107
CLAYTON DELANEY RD
FairOver: PAW PAW BRANCH
W. OF CLAYTON LIMITS, New Castle, DE
Built 1927 Load: 27.9 t ADT: 943
VANBUREN STREET
FairOver: BRANDYWINE CREEK&FLUME
WILMINGTON, New Castle, DE
Built 1906 Load: 28.2 t ADT: 99
Showing 251-300 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.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |