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

Structurally Deficient

Over: LITTLE DEEP CREEK

7 WEST 7 SOUTH OF UPHAM, McHenry, ND

Built 1938 Load: 18.3 t ADT: 5

COUNTY ROAD

Structurally Deficient

Over: DITCH

2 EAST 4 SOUTH OF NECHE, Pembina, ND

Built 1960 Load: 18.5 t ADT: 24

COUNTY HIGHWAY

Structurally Deficient

Over: GOOSE RIVER

3RD ST NE IN HILLSBORO, Traill, ND

Built 1934 Load: 18.7 t ADT: 200

COUNTY HIGHWAY

Structurally Deficient

Over: NORTH FORK PARK RIVER

4 EAST 1 SOUTH GARDAR, Pembina, ND

Built 1954 Load: 18.9 t ADT: 10

CR139

Structurally Deficient

Over: CREEK

1 NORTH 6 EAST OF JUDSON, Morton, ND

Built 1960 Load: 19.1 t ADT: 405

IRRFT COUNTY HIWAY

Structurally Deficient

Over: SHEYENNE RIVER

1 EAST 8 SO FORT TOTTEN, Benson, ND

Built 1976 Load: 19.5 t ADT: 35

COUNTY HIGHWAY

Structurally Deficient

Over: JAMES RIVER

3 WEST 3 NORTH OF DICKEY, LaMoure, ND

Built 1950 Load: 20.6 t ADT: 140

65th Ave SW

Structurally Deficient

Over: SPRING CREEK

2 EAST OF ZAP, Mercer, ND

Built 1969 Load: 21.5 t ADT: 26

COUNTY TRAIL

Structurally Deficient

Over: DRAIN DITCH

2 WEST 2 NORTH BATHGATE, Pembina, ND

Built 1965 Load: 22.0 t ADT: 10

34TH STREET

Structurally Deficient

Over: SQUARE BUTTE CREEK

2 WEST 6 NORTH OF MANDAN, Morton, ND

Built 1971 Load: 22.1 t ADT: 25

EAST FULTON AVENUE

Structurally Deficient

Over: BRANCH OF KNIFE RIVER

CITY OF HEBRON, Morton, ND

Built 1924 Load: 22.5 t

COUNTY HIGHWAY

Structurally Deficient

Over: COW CREEK

10 NORTH 1 WEST WILLISTON, Williams, ND

Built 1930 Load: 22.5 t ADT: 24

COUNTY HIGHWAY

Structurally Deficient

Over: BEAVER CREEK

10 EAST 6 NORTH OF FINLEY, Steele, ND

Built 1940 Load: 23.4 t ADT: 10

COUNTY HIGHWAY

Structurally Deficient

Over: NORTH BRANCH GOOSE RIVER

1 WEST 5 NORTH PORTLAND, Traill, ND

Built 1937 Load: 23.9 t ADT: 20

COUNTY HIGHWAY

Structurally Deficient

Over: WEST BRANCH SHORT CREEK

4 NORTH 1 WEST LARSON, Burke, ND

Built 1929 Load: 24.3 t ADT: 5

COUNTY HIGHWAY 9

Structurally Deficient

Over: CREEK

4 EAST 3 NORTH OF GRAFTON, Walsh, ND

Built 1968 Load: 24.5 t ADT: 54

COUNTY TRAIL

Structurally Deficient

Over: WILLOW CREEK

1 WEST 1 SOUTH OF HENSEL, Pembina, ND

Built 1960 Load: 24.8 t ADT: 5

COUNTY TRAIL

Structurally Deficient

Over: ROSEBUD CREEK

2 WEST 2 NORTH BATHGATE, Pembina, ND

Built 1965 Load: 24.8 t ADT: 10

COUNTY HIGHWAY

Structurally Deficient

Over: DRAIN DITCH

7 EAST 1 SOUTH GILBY, Grand Forks, ND

Built 1969 Load: 25.4 t ADT: 25

COUNTY HIGHWAY

Structurally Deficient

Over: DRAIN DITCH

8 NORTH OF DRAYTON, Pembina, ND

Built 1973 Load: 25.4 t ADT: 27

COUNTY HIGHWAY

Structurally Deficient

Over: CREEK

5 WEST OF KEMPTON, Grand Forks, ND

Built 1975 Load: 25.8 t ADT: 35

COUNTY ROAD

Structurally Deficient

Over: ROSEBUD CREEK

1 WEST 2 NORTH BATHGATE, Pembina, ND

Built 1955 Load: 26.7 t ADT: 20

COUNTY HIGHWAY

Structurally Deficient

Over: CREEK

8 WEST 3 NORTH NORTHWOOD, Grand Forks, ND

Built 1951 Load: 26.8 t ADT: 5

COUNTY HIGHWAY

Structurally Deficient

Over: CREEK

13 WEST 2 SOUTH NORTHWOOD, Grand Forks, ND

Built 1946 Load: 27.1 t ADT: 70

County Highway 86

Structurally Deficient

Over: DRAINAGE AREA

1 SOUTH OF ALMONT, Morton, ND

Built 1968 Load: 27.2 t ADT: 110

COUNTY ROAD

Structurally Deficient

Over: PARK RIVER

7 WEST 1 NORTH OF GRAFTON, Walsh, ND

Built 1935 Load: 28.1 t ADT: 10

COUNTY ROAD

Structurally Deficient

Over: DRAIN DITCH

2 EAST 1 SOUTH BOWESMONT, Pembina, ND

Built 1976 Load: 28.3 t ADT: 10

COUNTY HIGHWAY

Structurally Deficient

Over: CREEK

1 EAST GILBY, Grand Forks, ND

Built 1961 Load: 28.5 t ADT: 30

17TH AVE

Structurally Deficient

Over: NW BR. CANTEPETA CREEK

3 SOUTH 9 WEST FORT RICE, Morton, ND

Built 1971 Load: 28.7 t ADT: 20

409th Ave NE

Structurally Deficient

Over: CREEK

7 EAST 7 NORTH OF WILTON, Burleigh, ND

Built 1958 Load: 29.1 t ADT: 30

COUNTY HIGHWAY

Structurally Deficient

Over: DEEP RIVER

3 WEST 2 NORTH OF UPHAM, McHenry, ND

Built 1960 Load: 29.3 t ADT: 25

COUNTY ROAD

Structurally Deficient

Over: SOURIS RIVER

14 WEST 4 SOUTH SHERWOOD, Renville, ND

Built 1935 Load: 29.9 t ADT: 20

CITY STREET

Structurally Deficient

Over: DRAIN DITCH

NORTH EAST CORNER MINTO, Walsh, ND

Built 1978 Load: 30.1 t ADT: 110

COUNTY HIGHWAY

Structurally Deficient

Over: FOREST RIVER

2 WEST 13 SOUTH OF ADAMS, Walsh, ND

Built 1945 Load: 30.7 t ADT: 24

COUNTY HIGHWAY

Structurally Deficient

Over: BEAVER CREEK

6 EAST 11 SOUTH RAY, Williams, ND

Built 1933 Load: 31.0 t ADT: 24

77th St SE

Structurally Deficient

Over: CREEK

1 EAST 6 SOUTH BURNSTAD, Logan, ND

Built 1939 Load: 31.9 t ADT: 24

COUNTY HIGHWAY

Structurally Deficient

Over: COULEE

10 WEST 3 SOUTH CANDO, Towner, ND

Built 1974 Load: 35.3 t ADT: 20

COUNTY HIGHWAY

Structurally Deficient

Over: ST. JOE COULEE

6 WEST 3 NORTH WEBSTER, Ramsey, ND

Built 1983 Load: 37.9 t ADT: 50

COUNTY HIGHWAY

Structurally Deficient

Over: DRAIN DITCH

1 NORTH 2 WEST KEMPTON, Grand Forks, ND

Built 1960 Load: 40.6 t ADT: 24

COUNTY ROAD

Structurally Deficient

Over: WEST CUT BANK CREEK

2 EAST 3 NORTH OF MOHALL, Bottineau, ND

Built 1970 Load: 40.7 t ADT: 25

COUNTY ROAD

Structurally Deficient

Over: CREEK

6 EAST 2 SOUTH OF LANKIN, Walsh, ND

Built 1940 Load: 66.4 t ADT: 25

ND HIGHWAY 200

Structurally Deficient

Over: CREEK

5 EAST OF SOUTH JCT. ND 8, Dunn, ND

Built 1957 Load: 94.0 t ADT: 570

Showing 4,201-4,242 of 4,242 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.