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
ADAMS DAM RD
FairOver: WILSON RUN
ROCKLAND, New Castle, DE
Built 1933 Load: 43.1 t ADT: 4,319
W.CHESTNUT HILL RD
FairOver: CHRISTINA CREEK
SOUTH NEWARK, New Castle, DE
Built 1961 Load: 43.1 t ADT: 8,148
SOUTH STATE ST
FairOver: TIDBURY BRANCH
SOUTH OF DOVER, Kent, DE
Built 1919 Load: 43.7 t ADT: 9,355
STATE ST
FairOver: ISAAC BRANCH-MOORES LAKE
MOORES LAKE, Kent, DE
Built 1919 Load: 43.7 t ADT: 11,225
TODDS MILL ROAD
FairOver: ISSAC BRANCH
WEST OF WYOMING, Kent, DE
Built 1962 Load: 43.7 t ADT: 1,081
LEA BLVD
FairOver: SHELLPOT CREEK
NE. OF WILMINGTON, New Castle, DE
Built 1993 Load: 43.7 t ADT: 7,958
I 495 SB
FairOver: STONEY CREEK
N/ OF BELLEFONTE, New Castle, DE
Built 1972 Load: 43.7 t ADT: 37,754
CENTRAL AVE
FairOver: BROAD CREEK
LAUREL, Sussex, DE
Built 1923 Load: 43.7 t ADT: 5,984
DUPONT BLVD / US13
FairOver: SMYRNA RIVER/DUCK CREEK
SMYRNA, Kent, DE
Built 1995 Load: 44.4 t ADT: 22,296
CARTER RD
FairOver: MILL CREEK
SOUTH OF SMYRNA, Kent, DE
Built 1970 Load: 44.4 t ADT: 7,264
SALEM CHURCH RD
FairOver: MUDDY RUN
S/E OF NEWARK, New Castle, DE
Built 1958 Load: 44.7 t ADT: 6,297
SR 9
FairOver: SILVER RUN
N.E. OF ODESSA, New Castle, DE
Built 1989 Load: 44.7 t ADT: 840
MARROWS RD
FairOver: AMTRAK
NEWARK, New Castle, DE
Built 1976 Load: 44.7 t ADT: 11,422
US113/DUPONT BLVD
FairOver: BETTS POND
BETTS POND, Sussex, DE
Built 1912 Load: 44.7 t ADT: 24,039
DUPONT HWY NB
FairOver: MURDERKILL RIVER
SOUTH OF FELTON, Kent, DE
Built 1954 Load: 45.0 t ADT: 12,269
HARMONY RD
FairOver: WHITE CLAY CREEK
NORTH OF OGLETOWN, New Castle, DE
Built 1973 Load: 45.0 t ADT: 15,557
STATE ST
FairOver: PUNCHEON RUN
DOVER, Kent, DE
Built 1957 Load: 45.4 t ADT: 14,406
US113/DUPONT BLVD.
FairOver: GRAVELLY BRANCH
NORTH OF GEORGETOWN, Sussex, DE
Built 1993 Load: 45.4 t ADT: 17,549
WOODDALE RD
FairOver: MILL RACE
ASHLAND, New Castle, DE
Built 1982 Load: 45.7 t ADT: 1,949
KOREAN WAR VET HWY
FairOver: LEIPSIC RIVER
EAST OF GARRISONS LAKE, Kent, DE
Built 1992 Load: 46.0 t ADT: 21,018
KOREAN WAR VET HWY
FairOver: LEIPSIC RIVER
EAST OF GARRISONS LAKE, Kent, DE
Built 1992 Load: 46.0 t ADT: 21,018
MITCH RD / SR4
FairOver: RED CLAY CREEK
STANTON, New Castle, DE
Built 1967 Load: 46.0 t ADT: 14,182
SLAUGHTER BEACH RD
FairOver: SLAUGHTER CREEK
S. OF SLAUGHTER BCH, Sussex, DE
Built 1975 Load: 46.0 t ADT: 533
SR 14 / VERNON RD
FairOver: MARSHYHOPE CREEK
VERNON, Kent, DE
Built 1968 Load: 46.3 t ADT: 3,903
MILLTOWN RD
FairOver: MILL CREEK
MILLTOWN, New Castle, DE
Built 1959 Load: 46.3 t ADT: 7,875
SR 9
FairOver: BLACKBIRD CREEK
TAYLORS BRIDGE, New Castle, DE
Built 1964 Load: 46.3 t ADT: 675
EDGEMOOR RD / SR3
FairOver: NORFOLK SOUTHERN&AMTRAK
EDGEMOOR, New Castle, DE
Built 1989 Load: 46.3 t ADT: 8,220
WOODLAND RD
FairOver: BUTLER MILL BRANCH
S.W. OF SEAFORD, Sussex, DE
Built 1975 Load: 46.3 t ADT: 895
CHRISTIANA BYPASS
FairOver: CHRISTINA RIVER
W. OF NEW CASTLE AIRPORT, New Castle, DE
Built 1981 Load: 46.7 t ADT: 17,840
COLLEGE RD
FairOver: FORK BRANCH
DEL STATE COLLEGE, Kent, DE
Built 1968 Load: 47.0 t ADT: 8,041
CYPRESS BRANCH RD
FairOver: CYPRESS BRANCH
SOUTH OF DOVER, Kent, DE
Built 1993 Load: 47.0 t ADT: 1,848
CLARKS CORNER RD.
FairOver: DRAGON CREEK
W. OF DELAWARE CITY, New Castle, DE
Built 1970 Load: 47.0 t ADT: 622
OLD MILL BRIDGE RD
FairOver: DIRICKSON CREEK
EAST OF JOHNSON, Sussex, DE
Built 1961 Load: 47.0 t ADT: 3,548
BEAVER DAM RD.
FairOver: BEAVER VALLEY CREEK
N/E OF CENTERVILLE, New Castle, DE
Built 1988 Load: 47.3 t ADT: 1,867
JFK MEM HGWY/I95
FairOver: SHELLPOT CREEK
N. OF BELLEFONTE, New Castle, DE
Built 1966 Load: 47.3 t ADT: 46,639
SR 36
FairOver: CEDAR CREEK
SLAUGHTER BEACH, Sussex, DE
Built 1949 Load: 48.0 t ADT: 2,846
KIRKWOOD HWY/SR2
FairOver: RED CLAY CREEK & RR
CRANSTON HEIGHTS, New Castle, DE
Built 1940 Load: 48.3 t ADT: 21,576
I 95
FairOver: CHRISTINA RIVER
SOUTH OF WILMINGTON, New Castle, DE
Built 1965 Load: 48.3 t ADT: 65,707
VIETNAM VET MEM HY
FairOver: NORFOLK SOUTHERN
EAST WILMINGTON/EDGEMOOR, New Castle, DE
Built 1975 Load: 48.3 t ADT: 44,783
CHRISTIANA BYPASS
FairOver: CHRISTINA RIVER
W. OF NEW CASTLE AIRPORT, New Castle, DE
Built 1981 Load: 48.6 t ADT: 17,839
SNUFF MILL RD
FairOver: BARROW'S RUN
N/E OF YORKLYN, New Castle, DE
Built 1939 Load: 48.9 t ADT: 1,332
AIRPORT RD
FairOver: NONESUCH CREEK
N. OF NEW CASTLE AIRPORT, New Castle, DE
Built 1979 Load: 48.9 t ADT: 3,840
SR1
FairOver: EAGLE RUN
CHRISTIANA, New Castle, DE
Built 1992 Load: 48.9 t ADT: 44,586
SR1
FairOver: EAGLE RUN
CHRISTIANA, New Castle, DE
Built 1992 Load: 49.6 t ADT: 44,586
FREDERICA RD
FairOver: MURDERKILL RIVER
FREDERICA, Kent, DE
Built 2000 Load: 49.9 t ADT: 2,576
LITTLE MASTENS COR
FairOver: BLACK SWAMP CREEK
SOUTH OF FELTON, Kent, DE
Built 1977 Load: 49.9 t ADT: 455
OLD MILLTOWN RD.
FairOver: MILL CREEK
MILLTOWN, New Castle, DE
Built 1913 Load: 49.9 t ADT: 11,553
ELKTON RD/SR2
FairOver: CHRISTINA CREEK
S/W OF NEWARK, New Castle, DE
Built 1968 Load: 49.9 t ADT: 25,936
WIGGINS MILL RD.
FairOver: CATTAIL BRANCH
N. TOWNSEND LIMITS, New Castle, DE
Built 1998 Load: 50.2 t ADT: 1,151
NINTH ST
FairOver: CSX
N/W WILMINGTON, New Castle, DE
Built 2006 Load: 50.2 t ADT: 99
Showing 501-550 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 |