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
MAYFIELD FALLS
GoodOver: TRIB TO MUDDY RUN
WEST OF GLASGOW, New Castle, DE
Built 2022 Load: 39.9 t ADT: 99
THOMPSONVILLE RD
GoodOver: FISHING BRANCH
NORTH OF MILFORD, Kent, DE
Built 1996 Load: 40.2 t ADT: 1,928
SR 9 / RIVER RD
GoodOver: ARMY CREEK
SOUTH OF NEW CASTLE, New Castle, DE
Built 1993 Load: 40.2 t ADT: 6,460
VALLEY RD
GoodOver: MILL CREEK
S.W. OF HOCKESSIN, New Castle, DE
Built 1994 Load: 40.2 t ADT: 10,078
BROWNSVILLE RD
GoodOver: MARSHYHOPE CREEK
WEST OF HARRINGTON, Kent, DE
Built 2022 Load: 40.5 t ADT: 189
US301 RAMP F
GoodOver: SANDY BRANCH
WEST OF MIDDLETOWN, New Castle, DE
Built 2018 Load: 40.5 t ADT: 650
I 495 NB
GoodOver: 84" SEWER PIPE
WILMINGTON, New Castle, DE
Built 1976 Load: 40.5 t ADT: 35,603
I 495 SB
GoodOver: 84"PIPE/DRAINAGE SWALE
WILMINGTON, New Castle, DE
Built 1976 Load: 40.5 t ADT: 51,844
SHELL BRIDGE RD.
GoodOver: TRIB OF BROAD CREEK
S. OF BETHEL, Sussex, DE
Built 1999 Load: 40.5 t ADT: 978
MCKEE RD.
GoodOver: FORK BRANCH
NORTH DOVER, Kent, DE
Built 1986 Load: 40.8 t ADT: 5,505
OLD FURNACE RD
GoodOver: DEEP CREEK
EAST OF SEAFORD, Sussex, DE
Built 2010 Load: 40.8 t ADT: 3,412
US113S/DUPONT BLVD
GoodOver: HAVEN LAKE
WEST MILFORD, Kent, DE
Built 1963 Load: 41.1 t ADT: 14,590
NEWPORT RD.
GoodOver: CSX
N/W OF NEWPORT, New Castle, DE
Built 2012 Load: 41.1 t ADT: 3,224
US301 SB
GoodOver: TRIB TO SANDY BRANCH
WEST OF MIDDLETOWN, New Castle, DE
Built 2018 Load: 41.5 t ADT: 5,811
SUNNYSIDE RD.
GoodOver: GUM BRANCH
EAST OF BRIDGEVILLE, Sussex, DE
Built 2019 Load: 41.5 t ADT: 457
SR1 NORTHBOUND
GoodOver: CHRISTINA RIVER
EAST OF CHRISTIANA, New Castle, DE
Built 1992 Load: 41.8 t ADT: 33,277
KOREAN WAR MEM HGY
GoodOver: CHRISTINA RIVER
NORTH OF CHRISTIANA, New Castle, DE
Built 1992 Load: 41.8 t ADT: 43,443
SR273/OGLETOWN RD.
GoodOver: COOL RUN
OLGETOWN, New Castle, DE
Built 1997 Load: 41.8 t ADT: 12,857
SR273/OGLETOWN RD.
GoodOver: COOL RUN
OGLETOWN, New Castle, DE
Built 1997 Load: 41.8 t ADT: 12,857
KOREAN VET MEM HWY
GoodOver: BLACKBIRD CREEK
S.E. OF TOWNSEND, New Castle, DE
Built 2003 Load: 41.8 t ADT: 21,017
KOREAN VET MEM HWY
GoodOver: BLACKBIRD CREEK
S/E OF TOWNSEND, New Castle, DE
Built 2003 Load: 41.8 t ADT: 21,017
ROBINSONVILLE RD
GoodOver: LOVE CREEK
SOUTH OF NASSUA, Sussex, DE
Built 2016 Load: 41.8 t ADT: 5,492
SANDY BEND RD
GoodOver: TAPPAHANNA DITCH
EAST OF MARYDEL, Kent, DE
Built 1957 Load: 42.1 t ADT: 1,404
GUYENCOURT RD
GoodOver: WATERWAY
S/E OF CENTREVILLE, New Castle, DE
Built 2011 Load: 42.1 t ADT: 308
SR 1 NORTHBOUND
GoodOver: DRAGON CREEK
N/W OF ST. GEORGES, New Castle, DE
Built 1995 Load: 42.4 t ADT: 36,078
SR 1 SB
GoodOver: DRAGON CREEK
N/W OF ST. GEORGES, New Castle, DE
Built 1995 Load: 42.4 t ADT: 36,078
PONDEROSA DR
GoodOver: BEAVER GUT DITCH
NORTH OF LITTLE HEAVEN, Kent, DE
Built 1999 Load: 42.8 t ADT: 1,508
PUNCHEON RUN
GoodOver: ST. JONES RIVER
SOUTH DOVER, Kent, DE
Built 2000 Load: 42.8 t ADT: 6,279
PUNCHEON RUN CONNE
GoodOver: ST JONES RIVER
SOUTH DOVER, Kent, DE
Built 2000 Load: 42.8 t ADT: 6,279
SR NB/COASTAL HGY
GoodOver: WAPLES POND
NORTH OF MILTON, Sussex, DE
Built 2003 Load: 42.8 t ADT: 9,151
DUPONT HWY SB
GoodOver: MURDERKILL RIVER
SOUTH OF FELTON, Kent, DE
Built 1920 Load: 43.1 t ADT: 12,269
TUCKERS RD
GoodOver: TOMS DAM BRANCH
SE OF GREENWOOD, Sussex, DE
Built 2014 Load: 43.4 t ADT: 149
S. GOVERNORS AVE
GoodOver: PUNCHEON RUN
DOVER, Kent, DE
Built 2009 Load: 43.7 t ADT: 8,786
GREENBANK RD
GoodOver: RED CLAY CREEK
N.W. OF PRICES CORNER, New Castle, DE
Built 1975 Load: 43.7 t ADT: 9,704
ROAD A
GoodOver: SR1
CHRISTIANA FASHION CENTER, New Castle, DE
Built 2020 Load: 43.7 t ADT: 4,556
I 95
GoodOver: LITTLE MILL CREEK
SOUTH OF WILMINGTON, New Castle, DE
Built 1962 Load: 43.7 t ADT: 64,249
SR 12/FEDERICA RD.
GoodOver: SPRING CREEK
FREDERICA, Kent, DE
Built 1996 Load: 44.1 t ADT: 1,707
PROSPECT CHURCH RD
GoodOver: BRIGHT-HAINES DITCH
S/E OF VERNON, Kent, DE
Built 2023 Load: 44.1 t ADT: 790
RAMP 6338 TO SR1
GoodOver: EAGLE RUN
NORTH OF CHRISTIANA, New Castle, DE
Built 1992 Load: 44.1 t ADT: 8,710
WOOTEN RD.
GoodOver: RACOON POND SPILLWAY
SE OF LAUREL, Sussex, DE
Built 2003 Load: 44.1 t ADT: 130
OLD DUPONT RD.
GoodOver: LITTLE MILL CREEK
ELSMERE, New Castle, DE
Built 1926 Load: 44.4 t ADT: 5,558
US301 NB
GoodOver: SANDY BRANCH
WEST OF MIDDLETOWN, New Castle, DE
Built 2018 Load: 44.4 t ADT: 5,811
US301 SB
GoodOver: SANDY BRANCH
WEST OF MIDDLETOWN, New Castle, DE
Built 2018 Load: 44.4 t ADT: 5,811
BIG WOODS RD
GoodOver: SPRUANCES BRANCH
WEST OF LEIPSIC, Kent, DE
Built 1997 Load: 44.7 t ADT: 142
TUXWARD RD.
GoodOver: TAPPAHANNA DITCH
EAST OF MARYDEL, Kent, DE
Built 2023 Load: 44.7 t ADT: 1,069
TAPPAHANNA BRIDGE
GoodOver: TAPPAHANNA DITCH
EAST OF MARYDEL, Kent, DE
Built 2022 Load: 44.7 t ADT: 262
KOREAN WAR VET HWY
GoodOver: DUCK CREEK
EAST OF SMYRNA, Kent, DE
Built 1993 Load: 44.7 t ADT: 22,108
KOREAN WAR MEM HWY
GoodOver: DUCK CREEK
EAST OF SMYRNA, Kent, DE
Built 1993 Load: 44.7 t ADT: 22,108
KOREAN WAR VET MEM
GoodOver: MILL CREEK
EAST OF SMYRNA, Kent, DE
Built 1993 Load: 44.7 t ADT: 19,906
KOREAN WAR VET HWY
GoodOver: MILL CREEK
EAST OF SMYRNA, Kent, DE
Built 1993 Load: 44.7 t ADT: 19,906
Showing 751-800 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 |