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
PHILA PIKE/MARKET
UnknownOver: I-495 RD 60
CLAYMONT, New Castle, DE
Built 1973 ADT: 75,509
RAMP I 495 SB
UnknownOver: I 95 & I 295 EB
CHRISTIANA INTERCHANGE, New Castle, DE
Built 1981 ADT: 47,991
SR 1
UnknownOver: SR7 / BEAR-CORBIT RD.
NORTH OF WRANGLE HILL, New Castle, DE
Built 1995 ADT: 5,947
SR 1
UnknownOver: SR 7 / BEAR-CORBIT RD.
NORTH OF WRANGLE HILL, New Castle, DE
Built 1995 ADT: 5,947
KOREAN WAR VET MEM
UnknownOver: C&D CANAL, RD 412
C&D CANAL, New Castle, DE
Built 1995 ADT: 667
SR 1
UnknownOver: US 13
SOUTH OF ST GEORGES, New Castle, DE
Built 1999 ADT: 24,268
SR 1
UnknownOver: US 13
N. OF ODESSA, New Castle, DE
Built 1999 ADT: 24,268
KOREAN VET MEM HWY
UnknownOver: PINE TREE RD
N/E OF TOWNSEND, New Castle, DE
Built 2003 ADT: 4,153
KOREAN VET MEM HWY
UnknownOver: PINE TREE ROAD
N/E OF TOWNSEND, New Castle, DE
Built 2003 ADT: 3,280
KOREAN VET MEM HWY
UnknownOver: DUPONT HGWY/ US13
S. OF TOWNSEND, New Castle, DE
Built 2003 ADT: 13,811
KOREAN VET MEM HWY
UnknownOver: DUPONT HGWY/US13
S. OF TOWNSEND, New Castle, DE
Built 2002 ADT: 13,811
KOREAN VET MEM HWY
UnknownOver: DUPONT PKY&SANDOM BRNCH
BLACKBIRD AREA, New Castle, DE
Built 2003 ADT: 7,525
KOREAN VET MEM HWY
UnknownOver: DUPONT PKY&SANDOM BRNCH
BLACKBIRD AREA, New Castle, DE
Built 2003 ADT: 7,525
KOREAN VET MEM HWY
UnknownOver: BLACK DIAMOND RD
NORTH OF SMYRNA, New Castle, DE
Built 2003 ADT: 575
KOREAN VET MEM HWY
UnknownOver: BLACK DIAMOND RD
NORTH OF SMYRNA, New Castle, DE
Built 2003 ADT: 575
KOREAN VET MEMORIA
UnknownOver: US 13
NORTH OF ODESSA, New Castle, DE
Built 1999 ADT: 28,863
SR 1
UnknownOver: US 13
NORTH OF ODESSA, New Castle, DE
Built 1999 ADT: 24,947
KOREAN VET MEM HWY
UnknownOver: US 13 (DUPONT BLVD)
NORTH OF SMYRNA, New Castle, DE
Built 1993 ADT: 21,986
KOREAN VET MEM HWY
UnknownOver: US 13 (DUPONT BLVD)
NORTH OF SMYRNA, New Castle, DE
Built 1993 ADT: 21,986
KOREAN VET MEM HWY
UnknownOver: HARRIS RD.
SOUTH OF ODESSA, New Castle, DE
Built 1999 ADT: 956
SR1 KOREAN WAR HWY
UnknownOver: HARRIS RD.
SOUTH OF ODESSA, New Castle, DE
Built 1999 ADT: 1,651
REHOBOTH BLVD/SR14
UnknownOver: COASTAL HGWY / SR1
EAST MILFORD, Sussex, DE
Built 1971 ADT: 19,691
CEDAR BEACH RD
UnknownOver: COASTAL HGWY / SR1
EAST OF MILFORD, Sussex, DE
Built 1971 ADT: 12,269
RD 206
UnknownOver: SR 1
SOUTH OF MILFORD, Sussex, DE
Built 2014 ADT: 24,707
SR1 NB/COASTAL HY
UnknownOver: LEWES REHOBOTH CANAL
WEST OF REHOBOTH BEACH, Sussex, DE
Built 1985 ADT: 1,328
COASTAL HWY/SR1 SB
UnknownOver: LEWES REHOBOTH CANAL
WEST OF REHOBOTH BEACH, Sussex, DE
Built 1978 ADT: 391
FREEMAN HIGHWAY
UnknownOver: LEWES-REHOBOTH CANAL
LEWES, Sussex, DE
Built 1966 ADT: 3,580
SR1 / COASTAL HGWY
UnknownOver: INDIAN RIVER INLET
INDIAN RIVER INLET, Sussex, DE
Built 2012 ADT: 99
STEIN HWY/SR20
UnknownOver: NORFOLK SOUTHERN
SEAFORD, Sussex, DE
Built 1940 ADT: 99
STEIN HWY/SR20
UnknownOver: NORFOLK SOUTHERN
SEAFORD, Sussex, DE
Built 1985 ADT: 99
POPLAR ST
FairOver: BROAD CREEK
LAUREL, Sussex, DE
Built 1915 Load: 5.8 t ADT: 3,164
S.W. FRONT ST
FairOver: MISPILLION RIVER
MILFORD, Kent, DE
Built 1900 Load: 8.4 t ADT: 99
FRONT ST
FairOver: NANTICOKE RIVER
SEAFORD, Sussex, DE
Built 1926 Load: 12.6 t ADT: 8,634
FOURTH STREET
FairOver: CHRISTINA RIVER
WILMINGTON, New Castle, DE
Built 1980 Load: 17.2 t ADT: 9,973
BRENFORD RD
FairOver: MASSEYS POND/LEIPSIC RIV
MASSEYS MILLPOND, Kent, DE
Built 1933 Load: 17.5 t ADT: 1,602
CAPITAL TRAIL/SR2
FairOver: MUDDY RUN
EAST OF NEWARK, New Castle, DE
Built 1948 Load: 18.1 t ADT: 24,998
S. WALNUT ST.
FairOver: CHRISTINA RIVER
WILMINGTON, New Castle, DE
Built 1957 Load: 18.5 t ADT: 14,363
I 295 N & US 40 E
FairOver: DELAWARE RIVER
NEW CASTLE, New Castle, DE
Built 1951 Load: 18.8 t ADT: 48,349
RISING SUN LANE
FairOver: BRANDYWINE CREEK
N/W WILMINGTON, New Castle, DE
Built 1928 Load: 19.8 t ADT: 2,265
PAPER MILL RD
FairOver: WHITE CLAY CREEK
NORTH NEWARK, New Castle, DE
Built 1947 Load: 20.1 t ADT: 16,955
SR7 & SR4
FairOver: WHITE CLAY CREEK
STANTON, New Castle, DE
Built 1981 Load: 20.4 t ADT: 26,432
FOURTH ST
FairOver: CSX RAILROAD
WILMINGTON, New Castle, DE
Built 1900 Load: 20.4 t ADT: 99
KIRKWOOD HWY/SR2
FairOver: LITTLE MILL CREEK
ELSMERE, New Castle, DE
Built 1939 Load: 20.7 t ADT: 29,701
ROCKLAND RD
FairOver: BRANDYWINE CREEK
ROCKLAND, New Castle, DE
Built 1933 Load: 21.1 t ADT: 3,561
DEL 896, US71,301S
FairOver: C&D CANAL
9 MI W OF REEDY POINT, New Castle, DE
Built 1959 Load: 21.1 t ADT: 26,840
DELAWARE RT. 9
FairOver: C&D CANAL
1/2 MI S OF DEL. CITY, New Castle, DE
Built 1969 Load: 21.1 t ADT: 1,203
REHOBOTH BLVD.
FairOver: MISPILLION RIVER
MILFORD, Kent, DE
Built 1929 Load: 21.7 t ADT: 8,098
SALEM CHURCH RD
FairOver: BECKS POND/BELLTOWN RUN
S/E OF NEWARK, New Castle, DE
Built 1979 Load: 21.7 t ADT: 6,297
OLD BALTIMORE PIKE
FairOver: TRIB. TO CHRISTINA CREEK
S. OF NEWARK, New Castle, DE
Built 2000 Load: 22.0 t ADT: 13,109
SR6/WOODLAND BEACH
FairOver: MILL CREEK
EAST OF SMYRNA, Kent, DE
Built 1996 Load: 22.7 t ADT: 1,560
Showing 201-250 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 |