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
Data updated May 2026
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
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.
NV
Nevada
1.07% top marginal rate
TX
Texas
1.13% top marginal rate
DE
Delaware
1.25% top marginal rate
DC
District of Columbia
1.26% top marginal rate
AZ
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.
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.