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
US 301 NB
GoodOver: SCOTT RUN
SOUTH OF ST. GEORGES, New Castle, DE
Built 2018 Load: 61.9 t ADT: 15,312
DELAWARE AVE
GoodOver: BROAD CREEK
LAUREL, Sussex, DE
Built 1966 Load: 62.5 t ADT: 1,576
SR896
GoodOver: MUDDY RUN
NORTH OF GLASGOW, New Castle, DE
Built 1991 Load: 64.8 t ADT: 16,773
US301
GoodOver: TRIB TO SCOTT RUN
SOUTH OF ST. GEORGES, New Castle, DE
Built 2018 Load: 64.8 t ADT: 15,312
RAMP TO US301NB
GoodOver: SANDY BRANCH
WEST OF MIDDLETOWN, New Castle, DE
Built 2018 Load: 64.8 t ADT: 1,300
I 295 N & US 40 E
GoodOver: NORFOLK SOUTHERN
NEW CASTLE, New Castle, DE
Built 1951 Load: 66.4 t ADT: 49,079
PONY TRACK RD
GoodOver: COW MARSH CREEK
WEST OF VIOLA, Kent, DE
Built 1964 Load: 68.0 t ADT: 415
CANTERBURY RD/SR15
GoodOver: COURSEYS POND
COURSEYS POND, Kent, DE
Built 1986 Load: 70.0 t ADT: 4,747
MITCH RD. / SR4
GoodOver: CALF RUN
STANTON, New Castle, DE
Built 1967 Load: 79.1 t ADT: 17,372
SR 1 NORTHBOUND
GoodOver: NORFOLK SOUTHERN
NORTH OF WRANGLE HILL, New Castle, DE
Built 1995 Load: 80.7 t ADT: 30,557
SR 1 SB
GoodOver: NORFOLK SOUTHERN
NORTH OF WRANGLE HILL, New Castle, DE
Built 1995 Load: 80.7 t ADT: 30,557
NEW SWEDEN ST
GoodOver: RIVERWALK PATH
WILMINGTON, New Castle, DE
Built 2019 Load: 85.9 t ADT: 99
PEPPER POND RD
GoodOver: TRAP POND SPILLWAY
TRAP POND STATE PARK, Sussex, DE
Built 1952 Load: 86.5 t ADT: 505
MAIN ST
GoodOver: LAKE COMO SPILLWAY
SMYRNA, Kent, DE
Built 1982 Load: 95.6 t ADT: 5,090
CONCORD PK/US202
GoodOver: ROCKY RUN
NORTH OF WILMINGTON, New Castle, DE
Built 1987 Load: 97.2 t ADT: 38,705
NEW LINDEN HILL RD
GoodOver: PIKE CREEK
WEST OF MILLTOWN, New Castle, DE
Built 1970 Load: 97.2 t ADT: 15,448
JFK MEM HGWY/I95
GoodOver: SO.BRANCH NAAMANS CREEK
CLAYMONT, New Castle, DE
Built 1966 Load: 97.2 t ADT: 40,419
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
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
GUYENCOURT RD.
PoorOver: READING RR
BRANDYWINE AREA, New Castle, DE
Built 1918 Load: 37.6 t ADT: 532
DUPONT PKW/US13 SB
PoorOver: BLACKBIRD CREEK
NORTH OF BLACKBIRD, New Castle, DE
Built 1920 Load: 42.8 t ADT: 10,619
SR 54
PoorOver: ASSAWOMAN BAY
FENWICK ISLAND, Sussex, DE
Built 1957 Load: 43.1 t ADT: 7,555
SR 9
PoorOver: APPOQUINIMINK RIVER
N/E OF ODESSA, New Castle, DE
Built 1973 Load: 48.3 t ADT: 840
CODS ROAD
Structurally DeficientOver: SLAUGHTER CREEK
WEST OF FOWLER BEACH, Sussex, DE
Built 1931 Load: 16.2 t ADT: 77
MAPLE AVE
Structurally DeficientOver: MISPILLION RIVER
MILFORD, Kent, DE
Built 1977 Load: 32.7 t ADT: 99
JAMES ST.
Structurally DeficientOver: CHRISTINA RIVER
NEWPORT BRIDGE, New Castle, DE
Built 1929 Load: 35.9 t ADT: 4,556
Showing 851-878 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 |