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
SEVENTH ST
UnknownOver: I 95 & RAMP 6152
WILMINGTON, New Castle, DE
Built 1964 ADT: 47,468
EIGHTH ST
UnknownOver: I 95 & RAMP 6152
WILMINGTON, New Castle, DE
Built 1964 ADT: 10,851
NINTH ST
UnknownOver: I 95
WILMINGTON, New Castle, DE
Built 1964 ADT: 47,468
10th STREET
UnknownOver: I 95 & RAMP 6163
WILMINGTON, New Castle, DE
Built 1964 ADT: 47,468
RAMP I95SB TO 11TH
UnknownOver: I 95 & RAMP 6169
WILMINGTON, New Castle, DE
Built 1969 ADT: 2,567
DELAWARE AVE
UnknownOver: I 95 & RAMP 6167
WILMINGTON, New Castle, DE
Built 1964 ADT: 2,567
MLK BLD TO I 95 N
UnknownOver: SECOND ST & ADAMS ST
WILMINGTON, New Castle, DE
Built 1976 ADT: 8,228
RAMP TO I 95 S
UnknownOver: MLK BLVD & ADAMS ST
WILMINGTON, New Castle, DE
Built 1979 ADT: 4,516
MLK BLD TO I 95 S
UnknownOver: SR 4, MARYLAND AVE.
WILMINGTON, New Castle, DE
Built 1980 ADT: 15,249
MLK BLVD
UnknownOver: MONROE ST & MADISON ST
WILMINGTON, New Castle, DE
Built 1976 ADT: 100
I 95 RD 59
UnknownOver: BRANDYWINE CK
WILMINGTON, New Castle, DE
Built 1964 ADT: 99
EIGHTEENTH STREET
UnknownOver: I 95
WILMINGTON-SALESIANUM HS, New Castle, DE
Built 1966 ADT: 63,678
CSX RAILROAD
UnknownOver: I 95
N. WILMINGTON, New Castle, DE
Built 1969 ADT: 18,857
RAMP; I95NB-US202N
UnknownOver: CONCORD PIKE
NORTH OF WILMINGTON, New Castle, DE
Built 2013 ADT: 37,016
I95 NB TO US202 NB
UnknownOver: I95 SB RAMP TO SB 202
NORTH OF WILMINGTON, New Castle, DE
Built 2013 ADT: 1,210
I 95 NB TO US 202N
UnknownOver: I 95
NORTH OF WILMINGTON, New Castle, DE
Built 2013 ADT: 46,639
JFK MEM HGY/I95 SB
UnknownOver: TALLEY ROAD
N.E. OF WILMINGTON, New Castle, DE
Built 1968 ADT: 3,225
JFK MEM HGY/I95 NB
UnknownOver: TALLEY ROAD
N. E. OF WILMINGTON, New Castle, DE
Built 1968 ADT: 3,225
I 95 NB
UnknownOver: SHIPLEY RD
N.E. OF WILMINGTON, New Castle, DE
Built 1968 ADT: 9,380
I 95 SB
UnknownOver: SHIPLEY RD
N.E. OF WILMINGTON, New Castle, DE
Built 1968 ADT: 8,687
I 95 NB
UnknownOver: SR 3, MARSH RD
N.E. OF WILMINGTON, New Castle, DE
Built 1967 ADT: 10,804
I 95 SB
UnknownOver: SR 3, MARSH RD
N.E. OF WILMINGTON, New Castle, DE
Built 1967 ADT: 10,804
I 95 NB
UnknownOver: SILVERSIDE RD
SOUTH OF NAAMANS, New Castle, DE
Built 1967 ADT: 9,029
I 95 SB
UnknownOver: SILVERSIDE RD
S. OF ARDEN, New Castle, DE
Built 1967 ADT: 9,749
HARVEY RD
UnknownOver: I 95
N.E. OF WILMINGTON, New Castle, DE
Built 1967 ADT: 60,878
I 95 SB
UnknownOver: GLENROCK DRIVE
S/E OF ARDEN, New Castle, DE
Built 1966 ADT: 99
I 95 NB
UnknownOver: GLENROCK DRIVE
S/E OF ARDEN, New Castle, DE
Built 1966 ADT: 99
I 95 SB
UnknownOver: DARLEY RD
NORTH OF CLAYMONT, New Castle, DE
Built 1966 ADT: 6,438
I 95 NB
UnknownOver: DARLEY RD
NORTH OF CLAYMONT, New Castle, DE
Built 1966 ADT: 6,438
I 495 SB
UnknownOver: I 95 & RAMP 6202
N. OF CLAYMONT, New Castle, DE
Built 1966 ADT: 51,701
NAAMANS RD/SR92
UnknownOver: I 495 SOUTHBOUND
NORTH OF CLAYMONT, New Castle, DE
Built 1966 ADT: 33,884
NAAMANS RD/SR92
UnknownOver: I 95/JOHN F. KENNEDY
NORTH OF CLAYMONT, New Castle, DE
Built 1966 ADT: 33,884
RAMP 6202
UnknownOver: I 495 NB
WEST OF CLAYMONT, New Castle, DE
Built 1966 ADT: 67,768
I 495 SB
UnknownOver: I 95 NB
CHRISTIANA INTERCHANGE, New Castle, DE
Built 1965 ADT: 95,983
I 495 SB
UnknownOver: RAMP 6217
SOUTH OF WILMINGTON, New Castle, DE
Built 1975 ADT: 8,689
I 495 NB
UnknownOver: RAMP 6217
SOUTH OF WILMINGTON, New Castle, DE
Built 1975 ADT: 8,689
I 495 SB
UnknownOver: US 13
S. OF WILMINGTON, New Castle, DE
Built 1975 ADT: 29,580
I 495 NB
UnknownOver: US 13
SOUTH OF WILMINGTON, New Castle, DE
Built 1975 ADT: 29,580
I495SB TO US13
UnknownOver: US 13
SOUTH OF WILMINGTON, New Castle, DE
Built 1975 ADT: 27,393
ROGERS RD
UnknownOver: I 495
EAST OF WILMINGTON, New Castle, DE
Built 1975 ADT: 87,997
I 495 SB
UnknownOver: SR9
SOUTH OF WILMINGTON, New Castle, DE
Built 1972 ADT: 14,234
I 495 NB
UnknownOver: SR9
SOUTH OF WILMINGTON, New Castle, DE
Built 1972 ADT: 14,234
I 495
UnknownOver: TERMINAL AVE, RD 359
SOUTH OF WILMINGTON, New Castle, DE
Built 1972 ADT: 5,106
I 495
UnknownOver: CHRISTINA RIVER, N/S RR
WILMINGTON, New Castle, DE
Built 1974 ADT: 8,527
TWELTH ST
UnknownOver: I-495 RD 60
WILMINGTON, New Castle, DE
Built 1977 ADT: 93,552
I 495 NB
UnknownOver: EDGEMOOR RD
EDGEMOOR, New Castle, DE
Built 1975 ADT: 9,566
I 495 SB
UnknownOver: EDGEMOOR RD
EDGEMOOR, New Castle, DE
Built 1975 ADT: 9,566
I 495 NB
UnknownOver: NORFOLK SOUTHERN&AMTRAK
S. OF BELLEFONTE, New Castle, DE
Built 1976 ADT: 100
I 495 SB
UnknownOver: NORFOLK SOUTHERN&AMTRAK
EDGEMOOR, New Castle, DE
Built 1976 ADT: 100
MYRTLE AVE
UnknownOver: I495/VIETNAM VET MEM HGY
CLAYMONT, New Castle, DE
Built 1972 ADT: 75,509
Showing 151-200 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 |