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
BAY ROAD / US113
UnknownOver: ST. JONES RIVER
BARKERS LANDING, Kent, DE
Built 1984 ADT: 1,695
MILFORD NECK RD
UnknownOver: SR1 / BAY RD
SOUTH OF FREDERICA, Kent, DE
Built 2018 ADT: 46,243
FREDERICA RD.
UnknownOver: SR1 BAY RD.
FREDERICA, Kent, DE
Built 2011 ADT: 45,002
N. DUPONT BLVD
UnknownOver: SR 1, MILFORD BYPASS
JUST NORTH OF MILFORD, Kent, DE
Built 1971 ADT: 21,073
SR1 SB
UnknownOver: BOWERS BEACH RD
LITTLE HEAVEN, Kent, DE
Built 2019 ADT: 2,076
SR1 NB
UnknownOver: BOWERS BEACH RD
LITTLE HEAVEN, Kent, DE
Built 2019 ADT: 2,076
E. COMMERCE ST
UnknownOver: SR 1
EAST SMYRNA LIMITS, Kent, DE
Built 1991 ADT: 39,811
SMYRNA-LEIPSIC RD
UnknownOver: SR 1
SOUTH SMYRNA, Kent, DE
Built 1991 ADT: 51,973
FAST LANDING RD
UnknownOver: SR 1/KOREAN WAR VET MEM
EAST OF CHESWOLD, Kent, DE
Built 1991 ADT: 42,037
BAYSIDE DR. / SR9
UnknownOver: BAY RD. / US113/SR1
S. OF AIR FORCE BASE, Kent, DE
Built 2009 ADT: 29,945
THOMPSONVILLE RD
UnknownOver: SR1 / BAY RD
NORTH OF MILFORD, Kent, DE
Built 2016 ADT: 46,243
RD 66 WHITE OAK RD
UnknownOver: SR1/KOREAN WAR VET MEM
EAST OF DOVER, Kent, DE
Built 1990 ADT: 42,504
TWIN WILLOWS RD.
UnknownOver: SR 1
EAST OF BRENFORD, Kent, DE
Built 1992 ADT: 42,037
RD 88 / LEIPSIC RD
UnknownOver: SR1/KOREAN WAR VET MEM
EAST OF DOVER DOWNS, Kent, DE
Built 1993 ADT: 31,198
POW MIA PARKWAY
UnknownOver: NEW BURTON RD & N/S RR
WEST DOVER, Kent, DE
Built 2017 ADT: 5,170
POW MIA PARKWAY
UnknownOver: NEW BURTON RD & N/S RR
WEST DOVER, Kent, DE
Built 2017 ADT: 5,170
SIMMS WOODS RD
UnknownOver: SR 1
EAST OF CHESWOLD, Kent, DE
Built 1991 ADT: 58,182
RD 357
UnknownOver: SR 1 N&S
MAIN GATE DAFB, Kent, DE
Built 1998 ADT: 36,577
SR14 / NE FRONT ST
UnknownOver: SR1 / MILFORD BYPASS
MILFORD, Kent, DE
Built 2019 ADT: 26,111
KOREAN VET MEM HWY
UnknownOver: SR 1 INTERCHANGE
S.E. OF SMYRNA, Kent, DE
Built 1992 ADT: 6,646
SR1/KOREAN WAR VET
UnknownOver: SR 1 INTERCHANGE RAMP
S.E. OF SMYRNA, Kent, DE
Built 1992 ADT: 6,646
KOREAN WAR VET HWY
UnknownOver: BIG OAK RD
S.E. OF SMYRNA, Kent, DE
Built 1992 ADT: 494
KOREAN WAR VET HWY
UnknownOver: BIG OAK RD
S.E. OF SYMRNA, Kent, DE
Built 1992 ADT: 852
KOREAN WAR VET HGW
UnknownOver: RD 331/DYKE BRANCH RD
N.E. OF DOVER, Kent, DE
Built 1992 ADT: 550
SR1/KOREAN VET WAR
UnknownOver: RD 331/DYKE BRANCH RD
N.E. OF DOVER, Kent, DE
Built 1992 ADT: 550
RAMP
UnknownOver: SR1/KOREAN WAR VET MEM
NORTH OF DOVER,TOLL PLAZA, Kent, DE
Built 1992 ADT: 42,037
N. DOVER TOLL RAMP
UnknownOver: SR1/KOREAN WAR VET MEM
NORTH OF DOVER,TOLL PLAZA, Kent, DE
Built 1992 ADT: 42,037
SR1/KOREAN WAR VET
UnknownOver: SR8/ N. LITTLE CREEK RD
EAST OF DOVER, Kent, DE
Built 1993 ADT: 2,750
SR1/KOREAN WAR VET
UnknownOver: SR8/ N. LITTLE CREEK RD
EAST OF DOVER, Kent, DE
Built 1993 ADT: 2,750
SR1 NB
UnknownOver: S. LITTLE CREEK RD
EAST OF DOVER, Kent, DE
Built 1993 ADT: 2,750
SR1 SB
UnknownOver: S. LITTLE CREEK RD
EAST OF DOVER, Kent, DE
Built 1993 ADT: 1,421
SR1/KOREAN WAR VET
UnknownOver: US 113/BAY RD
S/E DOVER, Kent, DE
Built 1993 ADT: 16,263
SR1/KOREAN WAR VET
UnknownOver: US113 / BAY RD
S.E. DOVER, Kent, DE
Built 1993 ADT: 16,263
KOREAN WAR VET MEM
UnknownOver: SR10/E. LEBANON RD.
NORTH GATE DAFB, Kent, DE
Built 1993 ADT: 17,451
PUNCHEON RUN CONN.
UnknownOver: SR 1
S. OF ADMIN BLDG/DOVER, Kent, DE
Built 2000 ADT: 40,098
PUNCHEON RUN CONN.
UnknownOver: BAY ROAD / US113
S. OF ADMIN BLDG/DOVER, Kent, DE
Built 2000 ADT: 27,674
PUNCHEON RUN CONN.
UnknownOver: BAY ROAD
S. OF ADMIN BLDG/DOVER, Kent, DE
Built 2000 ADT: 27,674
PUNCHEON RUN CONN
UnknownOver: S. STATE ST
SOUTH DOVER, Kent, DE
Built 2000 ADT: 14,406
POWDER MILL/SR141
UnknownOver: ROCKLAND ROAD
N/W OF BLUEBALL, New Castle, DE
Built 1997 ADT: 4,344
SR141S/POWDER MILL
UnknownOver: ROCKLAND ROAD
N/W OF BLUEBALL, New Castle, DE
Built 1997 ADT: 4,344
DELAWARE VALLEY RR
UnknownOver: RD 232, MONTCHANIN RD
NORTH OF WINTERTHUR, New Castle, DE
Built 1945 ADT: 1,902
CONCORD PIKE/US202
UnknownOver: FAULK RD.
NORTH WIMLINGTON, New Castle, DE
Built 2006 ADT: 20,289
CONCORD PIKE/US202
UnknownOver: EAST PARK DR.
NORTH WILMINGTON, New Castle, DE
Built 2006 ADT: 2,758
MALL RD
UnknownOver: SR 1
CHRISTIANA MALL ENTRANCE, New Castle, DE
Built 1991 ADT: 68,306
MALL ENTRANCE
UnknownOver: KOREAN WAR VET MEM HGWY
CHRISTIANA MALL, New Castle, DE
Built 2012 ADT: 68,306
STANTON CHRISTIANA
UnknownOver: CHURCHMAN'S RD
CHURCHMANS CROSSING, New Castle, DE
Built 1997 ADT: 23,453
STANTON CHRISTIANA
UnknownOver: CHURCHMAN'S RD/SR58
CHURCHMANS CROSSING, New Castle, DE
Built 1997 ADT: 23,453
SR1NB-I95NB RAMP
UnknownOver: SR7
CHRISTIANA MALL, New Castle, DE
Built 2013 ADT: 32,397
SR1NB-I95NB RAMP
UnknownOver: I95 NB
CHRISTIANA MALL, New Castle, DE
Built 2013 ADT: 185,586
SR 273 RAMP 6505
UnknownOver: SR 4
OGLETOWN, New Castle, DE
Built 1997 ADT: 29,067
Showing 1-50 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 |