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
SR273
UnknownOver: SR4
OGLETOWN, New Castle, DE
Built 1988 ADT: 29,823
SR 273
UnknownOver: SR 4
OGLETOWN, New Castle, DE
Built 1997 ADT: 29,823
SR72/WRANGLE HILL
UnknownOver: SR 1
WRANGLE HILL, New Castle, DE
Built 1995 ADT: 89,576
KIRKWOOD/ST GEORGE
UnknownOver: SR1
ST. GEORGES, New Castle, DE
Built 1995 ADT: 90,761
SR 1
UnknownOver: US 13
TYBOUTS CORNER, New Castle, DE
Built 1990 ADT: 25,875
SR 1
UnknownOver: SR 71
TYBOUTS CORNER, New Castle, DE
Built 1990 ADT: 3,965
KOREAN WAR VET MEM
UnknownOver: NORFOLK SOUTHERN/ RD 381
BEAR, New Castle, DE
Built 1990 ADT: 3,726
KOREAN WAR VET MEM
UnknownOver: NORFOLK SOUTHERN/ RD 381
BEAR, New Castle, DE
Built 1990 ADT: 3,726
SR 1
UnknownOver: US 40
EAST OF BEAR, New Castle, DE
Built 1990 ADT: 25,484
SR 1
UnknownOver: US 40
EAST OF BEAR, New Castle, DE
Built 1990 ADT: 25,484
LOWER TWIN LANE RD
UnknownOver: SR 1
WEST OF DELAWARE CITY, New Castle, DE
Built 1992 ADT: 79,784
SR 1
UnknownOver: SCHOOL BELL RD
NEAR BEAR, New Castle, DE
Built 1990 ADT: 4,254
SR 1
UnknownOver: SCHOOL BELL RD
N. BEAR LIMITS, New Castle, DE
Built 1990 ADT: 4,254
KOREAN WAR MEM HGY
UnknownOver: SR273/HARES CORNER RD
NORTH OF CHRISTIANA, New Castle, DE
Built 1992 ADT: 32,408
KOREAN WAR MEM HGY
UnknownOver: SR 273/HARES CORNER RD
NORTH OF CHRISTIANA, New Castle, DE
Built 1992 ADT: 32,408
POLE BRIDGE RD.
UnknownOver: SR1/KOREAN WAR VET MEM H
EAST OF BOYDS CORNER, New Castle, DE
Built 1999 ADT: 46,856
BAYVIEW
UnknownOver: SR1/KOREAN WAR VET MEM H
S. OF BOYDS CORNER, New Castle, DE
Built 1998 ADT: 48,630
US301 NB
UnknownOver: SR1
SOUTH OF ST. GEORGES, New Castle, DE
Built 2018 ADT: 55,420
SR299
UnknownOver: SR1
WEST OF ODESSA, New Castle, DE
Built 1999 ADT: 53,234
JAMISON CORNER RD
UnknownOver: US 301
NORTH OF MIDDLETOWN, New Castle, DE
Built 2017 ADT: 5,600
PADDOCK RD.
UnknownOver: SR 1
NORTH OF SMYRNA, New Castle, DE
Built 1990 ADT: 57,724
US301
UnknownOver: SR896/BOYDS CORNER RD
NORTH OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 15,790
US301
UnknownOver: SR896/BOYDS CORNER RD
NORTH OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 15,790
US301 NB
UnknownOver: SR71/SUMMIT BRIDGE RD
NORTH OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 30,141
US301 SB
UnknownOver: SUMMIT BRIDGE RD
NORTH OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 30,141
US 301
UnknownOver: ARMSTRONG CORNER RD
North of Middletown, New Castle, DE
Built 2018 ADT: 2,278
US301
UnknownOver: ARMSTRONG CORNER RD
N OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 2,278
BUNKER HILL RD
UnknownOver: US 301
NORTHWEST OF MIDDLETOWN, New Castle, DE
Built 2017 ADT: 11,622
LEVELS RD / SR299
UnknownOver: US301
SOUTHWEST OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 11,622
STRAWBERRY LANE
UnknownOver: US 301
SOUTHWEST OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 9,035
SR 141
UnknownOver: CHRISTINA R.,AMTRAK,SR 4
NEWPORT, New Castle, DE
Built 1978 ADT: 19,764
RAMP SR141N TO SR4
UnknownOver: AYRE ST
NEWPORT, New Castle, DE
Built 1978 ADT: 99
SR 4 TO SR 141 S
UnknownOver: AYRE ST
NEWPORT, New Castle, DE
Built 1978 ADT: 99
HIGHLAND AVE
UnknownOver: SR 141
NEWPORT, New Castle, DE
Built 1976 ADT: 54,731
CHESAPEAKE CITY RD
UnknownOver: US301/SR896
JUST N. OF SUMMIT BRIDGE, New Castle, DE
Built 1959 ADT: 29,608
US301 NB
UnknownOver: CONNECTOR RD
NORTH OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 5,764
US301 SB
UnknownOver: CONNECTOR RD
NORTH OF MIDDLETOWN, New Castle, DE
Built 2018 ADT: 2,882
BURNSIDE BLVD
UnknownOver: SR 141
NORTH OF NEWPORT, New Castle, DE
Built 1976 ADT: 54,731
BOXWOOD RD/SR62
UnknownOver: SR 141
NORTH OF NEWPORT, New Castle, DE
Built 1979 ADT: 41,320
CONCORD PK/US202
UnknownOver: I 95
NORTH OF WILMINGTON, New Castle, DE
Built 1967 ADT: 78,584
WASHINGTON ST.
UnknownOver: BRANDYWINE CK, CONRAIL
WILMINGTON, New Castle, DE
Built 1922 ADT: 99
AUGUSTINE CUTOFF
UnknownOver: BRANDYWINE CREEK
WILMINGTON, New Castle, DE
Built 1900 ADT: 99
CSX RAILROAD
UnknownOver: PARK DRIVE N & S/BRANDWI
WILMINGTON, New Castle, DE
Built 2012 ADT: 99
SR141/BARLEY MILL
UnknownOver: BRANDYWINE CREEK, RD 260
N/W WILMINGTON-GREENVILLE, New Castle, DE
Built 1951 ADT: 99
KENNETT PK/SR52
UnknownOver: SR 141, NEW BRIDGE RD
GREENVILLE, New Castle, DE
Built 1976 ADT: 33,535
WILM. NORTHERN R/R
UnknownOver: SR 141, CENTRE RD
S. OF GREENVILLE, New Castle, DE
Built 1972 ADT: 38,075
SR141 & RAMP
UnknownOver: SR 2, KIRKWOOD HWY.
PRICES CORNER, New Castle, DE
Built 1972 ADT: 49,663
RAMP SR2WB-SR141SB
UnknownOver: SR 2, KIRKWOOD HWY.
PRICES CORNER, New Castle, DE
Built 1972 ADT: 48,396
BASIN RD. / SR 141
UnknownOver: RAMP SR 2WB TO SR 141SB
PRICES CORNER, New Castle, DE
Built 1972 ADT: 2,000
BASIN RD/SR 141
UnknownOver: RD 333, CENTERVILLE RD
S/W OF ELSMERE, New Castle, DE
Built 1974 ADT: 10,030
Showing 51-100 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 |