State profile · Above national median SD

North Dakota bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in North Dakota — drawn straight from the FHWA National Bridge Inventory.

4,242
Public bridges
39.7%
Good condition
10.8%
Poor condition
10.8%
Structurally deficient

Total Bridges

4,242

Public highway bridges in North Dakota

Good Condition

39.7%

1,685 bridges rated 7-9

-10.3pp vs 50% benchmark

Poor Condition

10.8%

460 bridges rated 0-4

Structurally Deficient

10.8%

460 bridges flagged for repair priority

3.9pp vs national avg 7.0%

North Dakota vs national bridge condition

North Dakota — Good condition share 39.7%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

North Dakota — Structurally deficient share 36.1%
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 — North Dakota (FHWA NBI)

North Dakota39.72182932578972%42.5978312116926%10.843941537010844%10.843941537010844%GoodFairPoorStructurally Deficient
Bridge inventory deck-condition mix — North Dakota (FHWA NBI)

Counties (53)

Adams 45 Barnes 79 Benson 40 Billings 60 Bottineau 120 Bowman 68 Burke 29 Burleigh 113 Cass 369 Cavalier 66 Dickey 43 Divide 13 Dunn 74 Eddy 27 Emmons 67 Foster 19 Golden Valley 34 Grand Forks 334 Grant 60 Griggs 21 Hettinger 64 Kidder 10 LaMoure 60 Logan 13 McHenry 112 McIntosh 11 McKenzie 131 McLean 57 Mercer 72 Morton 271 Mountrail 27 Nelson 23 Oliver 24 Pembina 203 Pierce 5 Ramsey 48 Ransom 35 Renville 24 Richland 197 Rolette 18 Sargent 30 Sheridan 8 Sioux 22 Slope 41 Stark 157 Steele 94 Stutsman 78 Towner 58 Traill 151 Walsh 253 Ward 123 Wells 41 Williams 100

North Dakota 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 North Dakota on the same metric.

02

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909

42

Pennsylvania

10.50% top marginal rate
Structure
Progressive
Burden @ $100K
$14,867
Selected

38

North Dakota

10.84% top marginal rate
Structure
Progressive
Burden @ $100K
$4,242

22

Louisiana

11.00% top marginal rate
Structure
Progressive
Burden @ $100K
$12,699

72

Puerto Rico

11.98% top marginal rate
Structure
Progressive
Burden @ $100K
$2,387

Bridges Needing Most Attention in North Dakota

Six lowest-condition bridges in North Dakota, ranked by composite NBI rating. Each is inspected at least every 24 months.

TRAIL

Structurally Deficient

Over: CYPRESS CREEK

5 NORTH 1 EAST OF CALVIN, Cavalier, ND

Built 1950 Load: 0.9 t ADT: 2

COUNTY HIGHWAY

Poor

Over: CREEK

2 WEST 6 SOUTH OF VANG, Cavalier, ND

Built 1953 Load: 0.9 t ADT: 2

COUNTY ROAD

Structurally Deficient

Over: JAMES RIVER

NORTH OF LAMOURE, LaMoure, ND

Built 1910 Load: 1.1 t ADT: 50

COUNTY HIGHWAY

Poor

Over: ANTELOPE CREEK

2 SOUTH 3 WEST DWIGHT, Richland, ND

Built 1920 Load: 1.1 t ADT: 20

COUNTY HIGHWAY

Structurally Deficient

Over: LITTLE MUDDY RIVER

2 WEST 3 SOUTH ALAMO, Williams, ND

Built 1920 Load: 1.5 t ADT: 24

COUNTY HIGHWAY

Structurally Deficient

Over: LITTLE MUDDY RIVER

1 EAST 3 SOUTH ALAMO, Williams, ND

Built 1920 Load: 1.5 t ADT: 20

All Bridges in North Dakota

COUNTY ROAD

Poor

Over: CREEK

3 EAST 1 NORTH HAMILTON, Pembina, ND

Built 1977 Load: 13.2 t ADT: 24

COUNTY HIGHWAY

Poor

Over: ELM RIVER

3 NORTH 6 EAST COLGATE, Steele, ND

Built 1937 Load: 13.2 t ADT: 24

169th Ave. SW

Poor

Over: Sevenmile Creek

17 SOUTH 3 EAST MARMARTH, Bowman, ND

Built 1970 Load: 13.3 t ADT: 25

COUNTY HIGHWAY

Poor

Over: COUNTY DRAIN

1 EAST 4 NORTH WALCOTT, Richland, ND

Built 1978 Load: 13.3 t ADT: 10

COUNTY HIGHWAY

Poor

Over: CREEK

3 SOUTH 1 EAST NORTHGATE, Burke, ND

Built 1964 Load: 13.5 t ADT: 20

COUNTY ROAD

Poor

Over: MOUSE RIVER

3 NORTH OF TOWNER, McHenry, ND

Built 1967 Load: 13.8 t ADT: 5

COUNTY ROAD

Poor

Over: CREEK

1 EAST 14 SOUTH GRAFTON, Walsh, ND

Built 1935 Load: 14.1 t ADT: 400

COUNTY HIGHWAY

Poor

Over: RED RIVER OF THE NORTH

9 EAST 1 NORTH BUXTON, Traill, ND

Built 1957 Load: 14.5 t ADT: 340

49th St SW

Poor

Over: PETERS CREEK

24 NORTH 12 WEST OF ELGIN, Grant, ND

Built 1932 Load: 14.7 t ADT: 20

COUNTY HIGHWAY

Poor

Over: NELSON DRAIN NO. 28

6 EAST 5 SOUTH HILLSBORO, Traill, ND

Built 1926 Load: 14.7 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

4 NORTH 2 WEST OF OVERLY, Bottineau, ND

Built 1930 Load: 15.3 t ADT: 25

COUNTY ROAD

Poor

Over: N BRANCH TURTLE RIVER

2 WEST 3 SOUTH ORR, Grand Forks, ND

Built 1959 Load: 15.3 t ADT: 70

COUNTY HIGHWAY

Poor

Over: COULEE

4 WEST 1 SOUTH HANSBORO, Towner, ND

Built 1939 Load: 15.5 t ADT: 1

COUNTY HIGHWAY

Poor

Over: MILLER DRAIN NO. 29

5 EAST 4 SOUTH MAYVILLE, Traill, ND

Built 1920 Load: 15.8 t ADT: 20

95th Avenue SW

Poor

Over: CREEK

11 NORTH 3 WEST OF MOTT, Hettinger, ND

Built 1960 Load: 16.0 t ADT: 20

COUNTY HIGHWAY

Poor

Over: CREEK

7 SOUTH 2 EAST CANDO, Towner, ND

Built 1953 Load: 16.2 t ADT: 20

116th Ave SW

Poor

Over: CHANTA PETA CREEK

14 S. 1 E. NEW ENGLAND, Hettinger, ND

Built 1915 Load: 16.3 t ADT: 10

COUNTY HIGHWAY

Poor

Over: INTERMITTENT STREAM

1 EAST OF BLANCHARD, Traill, ND

Built 1920 Load: 16.3 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

2 EAST 9 SOUTH PARK RIVER, Walsh, ND

Built 1950 Load: 16.4 t ADT: 26

COUNTY HIGHWAY

Poor

Over: CREEK

4 WEST 7 NORTH TIOGA, Williams, ND

Built 1946 Load: 16.5 t ADT: 10

44TH AVE

Poor

Over: DRAINAGE AREA

2 EAST 9 SOUTH OF HEBRON, Morton, ND

Built 1965 Load: 16.6 t ADT: 25

SECTION LINE ROAD

Poor

Over: OAK CREEK

2 WEST 3 SOUTH OF OMENEE, Bottineau, ND

Built 1956 Load: 17.0 t ADT: 5

COUNTY HIGHWAY

Poor

Over: COUNTY DRAIN 39

5 SOUTH OF FAIRMOUNT, Richland, ND

Built 1972 Load: 17.0 t ADT: 20

COUNTY HIGHWAY

Poor

Over: CREEK

9 WEST 5 SOUTH CANDO, Towner, ND

Built 1945 Load: 17.0 t ADT: 10

COUNTY HIGHWAY

Poor

Over: RED RIVER OF THE NORTH

4 SOUTH 9 EAST OF KELSO, Traill, ND

Built 1952 Load: 17.0 t ADT: 260

COUNTY HIGHWAY

Poor

Over: CREEK

2 SOUTH OF HARWOOD, Cass, ND

Built 1976 Load: 17.2 t ADT: 24

COUNTY HIGHWAY

Poor

Over: RED RIVER OF THE NORTH

4 SOUTH 6 EAST OF GARDNER, Cass, ND

Built 1949 Load: 17.2 t ADT: 90

COUNTY HIGHWAY

Poor

Over: CUT BANK CREEK

1 SOUTH 1 WEST OF UPHAM, McHenry, ND

Built 1939 Load: 17.2 t ADT: 457

COUNTY HIGHWAY

Poor

Over: BEICEGAL CREEK

2S 2W GRASSY BUTTE, McKenzie, ND

Built 1970 Load: 17.2 t ADT: 20

COUNTY HIGHWAY

Poor

Over: N BRANCH OF CLEAR CREEK

1 NORTH 3 WEST KEENE, McKenzie, ND

Built 1960 Load: 17.6 t ADT: 20

COUNTY HIGHWAY

Poor

Over: NELSON DRAIN NO. 28

5 EAST 5 SOUTH HILLSBORO, Traill, ND

Built 1936 Load: 17.6 t ADT: 10

COUNTY ROAD

Poor

Over: MAPLE RIVER

2 SOUTH 1 EAST OF EDGELEY, LaMoure, ND

Built 1935 Load: 18.1 t ADT: 24

COUNTY HIGHWAY

Poor

Over: BEAVER CREEK

1 WEST OF MONTPELIER, Stutsman, ND

Built 1962 Load: 18.6 t ADT: 210

COUNTY HIGHWAY

Poor

Over: LITTLE MUDDY RIVER

2 EAST 3 SOUTH ALAMO, Williams, ND

Built 1925 Load: 18.9 t ADT: 24

COUNTY HIGHWAY

Poor

Over: CREEK

2 SOUTH OF GARDAR, Pembina, ND

Built 1930 Load: 19.1 t ADT: 10

83RD AVE SW

Poor

Over: HEART RIVER

12 SOUTH 5 E RICHARDTON, Stark, ND

Built 1928 Load: 19.1 t ADT: 10

COUNTY HIGHWAY

Poor

Over: ELM RIVER

5 WEST OF GRANDIN, Traill, ND

Built 1979 Load: 19.1 t ADT: 20

COUNTY HIGHWAY

Poor

Over: STONY CREEK

1 SOUTH SPRING BROOK, Williams, ND

Built 1920 Load: 19.1 t ADT: 24

ND HIGHWAY 1

Poor

Over: CREEK

7 NORTH OF ND 5, Cavalier, ND

Built 1931 Load: 19.2 t ADT: 490

COUNTY ROAD

Poor

Over: COTTONWOOD CREEK

2 SOUTH 1 EAST OF JUD, LaMoure, ND

Built 1950 Load: 19.5 t ADT: 2

70th Ave. SW

Poor

Over: DRAINAGE AREA

3 SOUTH 6 EAST OF HEBRON, Morton, ND

Built 1967 Load: 19.6 t ADT: 5

COUNTY HIGHWAY

Poor

Over: MAPLE RIVER

2 EAST 7 SOUTH OF ALICE, Cass, ND

Built 2011 Load: 19.8 t ADT: 20

COUNTY ROAD

Poor

Over: SECOND LARSON COULEE

3 SOUTH 1 WEST MINOT, Ward, ND

Built 1965 Load: 19.9 t ADT: 25

COUNTY ROAD

Poor

Over: N BRANCH TURTLE RIVER

5 EAST 2 SOUTH MCCANNA, Grand Forks, ND

Built 1962 Load: 20.1 t ADT: 25

COUNTY HIGHWAY

Poor

Over: SWAN CREEK

1 EAST NORTH WHEATLAND, Cass, ND

Built 1955 Load: 20.2 t ADT: 20

58TH AVENUE

Poor

Over: DRAINAGE AREA

5 SOUTH 8 WEST OF ALMONT, Morton, ND

Built 1966 Load: 20.2 t ADT: 25

COUNTY HIGHWAY

Poor

Over: DRAIN DITCH

7 EAST 2 SOUTH GILBY, Grand Forks, ND

Built 1954 Load: 20.3 t ADT: 25

COUNTY ROAD 0520

Poor

Over: SOURIS RIVER

1 SOUTH 4 WEST OF KRAMER, Bottineau, ND

Built 1960 Load: 20.5 t ADT: 170

COUNTY HIGHWAY

Poor

Over: CREEK

1 EAST 1 SOUTH CANDO, Towner, ND

Built 1947 Load: 21.0 t ADT: 5

53rd Ave NE

Poor

Over: CREEK

8 SOUTH 9 EAST OF WOLFORD, Pierce, ND

Built 1970 Load: 21.2 t ADT: 20

Showing 3,901-3,950 of 4,242 bridges

Related

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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.