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

ND HIGHWAY 32

Good

Over: MIDDLE BR GOOSE RIVER

3 NORTH ND 200 EAST, Steele, ND

Built 1951 Load: 24.9 t ADT: 670

COUNTY HIGHWAY

Good

Over: JAMES RIVER

4 NORTH 6 WEST FESSENDEN, Wells, ND

Built 1983 Load: 24.9 t ADT: 70

ND HIGHWAY 32

Good

Over: MIDDLE BRANCH GOOSE RIVE

5 EAST OF JCT ND 45, Steele, ND

Built 1951 Load: 25.0 t ADT: 310

COUNTY ROAD

Good

Over: DES LACS RIVER

1 NORTH BURLINGTON, Ward, ND

Built 1986 Load: 25.0 t ADT: 100

126TH AVE SW

Good

Over: GREEN RIVER

7 EAST 7 NORTH OF FRYBURG, Billings, ND

Built 1986 Load: 25.1 t ADT: 50

COUNTY HIGHWAY

Good

Over: MAPLE RIVER

DURBIN, Cass, ND

Built 2017 Load: 25.1 t ADT: 50

93rd AVE SW

Good

Over: KNIFE RIVER

6 WEST OF MARSHALL, Dunn, ND

Built 1991 Load: 25.1 t ADT: 35

COUNTY HIGHWAY

Good

Over: TURTLE RIVER

2 WEST 5 SOUTH OF MANVEL, Grand Forks, ND

Built 1990 Load: 25.1 t ADT: 80

COUNTY HIGHWAY

Good

Over: BALDHILL CREEK

2 EAST OF WALLUM, Griggs, ND

Built 1979 Load: 25.1 t ADT: 70

67TH STREET

Good

Over: LOUSE CREEK

1 SOUTHEAST OF FLASHER, Morton, ND

Built 1993 Load: 25.1 t ADT: 25

HIGHWAY 134

Good

Over: CANTEPETA CREEK

6 SOUTH 3 WEST OF FT RICE, Morton, ND

Built 1983 Load: 25.1 t ADT: 35

COUNTY HIGHWAY

Good

Over: SHEYENNE RIVER

7 WEST OF MCVILLE, Nelson, ND

Built 1984 Load: 25.1 t ADT: 20

35TH AVE SW

Good

Over: 23 1/2 Street SW

3 EAST 3 SOUTH CENTER, Oliver, ND

Built 1993 Load: 25.1 t ADT: 385

COUNTY HIGHWAY

Good

Over: PEMBINA RIVER

5 EAST 1 SOUTH OF NECHE, Pembina, ND

Built 1980 Load: 25.1 t ADT: 24

COUNTY HIGHWAY

Good

Over: TONGUE RIVER

3 SOUTH 3 WEST OF PEMBINA, Pembina, ND

Built 1982 Load: 25.1 t ADT: 40

COUNTY HIGHWAY

Good

Over: WILD RICE RIVER

2 EAST 1 SOUTH DWIGHT, Richland, ND

Built 1991 Load: 25.1 t ADT: 37

COUNTY HIGHWAY

Good

Over: GOOSE RIVER

17 EAST 3 NORTH FINLEY, Steele, ND

Built 1981 Load: 25.1 t ADT: 50

COUNTY HIGHWAY

Good

Over: SHEYENNE RIVER

3 EAST 2 NORTH OF KINDRED, Cass, ND

Built 1985 Load: 25.3 t ADT: 20

5TH AVE NE

Good

Over: SHEYENNE RIVER

NORTH VALLEY ROAD, Barnes, ND

Built 2012 Load: 25.4 t ADT: 1,400

COUNTY HIGHWAY

Good

Over: GOOSE RIVER

2 WEST OF NORTHWOOD, Grand Forks, ND

Built 1996 Load: 25.4 t ADT: 235

COUNTY HIGHWAY

Good

Over: DRAIN DITCH

1 WEST 4 NORTH MERRIFIELD, Grand Forks, ND

Built 1991 Load: 25.4 t ADT: 40

COUNTY HIGHWAY

Good

Over: COULEE

2 EAST 2 NORTH EDMORE, Ramsey, ND

Built 2013 Load: 25.4 t ADT: 20

COUNTY HIGHWAY

Good

Over: WILD RICE RIVER

2 SOUTH OF CAYUGA, Sargent, ND

Built 1989 Load: 25.4 t ADT: 150

47TH ST SW

Good

Over: PLUM CREEK

1 W 10 S OF RICHARDSON, Stark, ND

Built 1997 Load: 25.4 t ADT: 20

COUNTY HIGHWAY

Good

Over: GOOSE RIVER

10 NORTH 13 EAST FINLEY, Steele, ND

Built 1994 Load: 25.4 t ADT: 60

COUNTY HIGHWAY

Good

Over: GOOSE RIVER

1 NORTHEAST OF CALEDONIA, Traill, ND

Built 2018 Load: 25.4 t ADT: 160

COUNTY HIGHWAY

Good

Over: JAMES RIVER

9 EAST 3 NORTH FESSENDEN, Wells, ND

Built 1962 Load: 25.4 t ADT: 20

COUNTY HIGHWAY

Good

Over: SHEYENNE RIVER

3 EAST OF KINDRED, Cass, ND

Built 1995 Load: 25.5 t ADT: 150

COUNTY ROAD

Good

Over: MAPLE RIVER

4 SOUTH 4 EAST ELLENDALE, Dickey, ND

Built 1985 Load: 25.5 t ADT: 70

PARK ROAD

Good

Over: TURTLE RIVER

TURTLE RIVER STATE PARK, Grand Forks, ND

Built 2001 Load: 25.5 t ADT: 175

COUNTY HIGHWAY

Good

Over: WILD RICE RIVER

2 EAST OF DWIGHT, Richland, ND

Built 1997 Load: 25.6 t ADT: 140

COUNTY HIGHWAY

Good

Over: BOIS DE SIOUX RIVER

2 EAST OF TYLER, Richland, ND

Built 1983 Load: 25.6 t ADT: 345

COUNTY ROAD

Good

Over: MCCLUSKY CANAL R2-1

6 WEST 6 SOUTH MERCER, McLean, ND

Built 1973 Load: 25.7 t ADT: 100

EAST RIVER ROAD

Good

Over: THIRD CREEK

4 EAST 19 SOUTH OF MEDORA, Billings, ND

Built 1998 Load: 25.8 t ADT: 20

COUNTY HIGHWAY

Good

Over: FIELD DRAIN

1 EAST 1 SOUTH OF CHAFFEE, Cass, ND

Built 2012 Load: 25.8 t ADT: 20

COUNTY HIGHWAY

Good

Over: LITTLE BEAVER CREEK

8 NORTH OF BEACH, Golden Valley, ND

Built 1993 Load: 25.8 t ADT: 75

82ND ST SW

Good

Over: CREEK

3 WEST OF SHIELDS, Grant, ND

Built 1988 Load: 25.8 t ADT: 120

CR 87

Good

Over: HAILSTORM CREEK

9 EAST 7 NORTH NEW SALEM, Morton, ND

Built 2006 Load: 25.8 t ADT: 30

19th Street SW

Good

Over: SQUARE BUTTE CREEK

2 NORTH OF HANNOVER, Oliver, ND

Built 1987 Load: 25.8 t ADT: 10

127th Avenue SW

Good

Over: BULL CREEK

3 EAST 8 SOUTH BELFIELD, Stark, ND

Built 2003 Load: 25.8 t ADT: 26

122nd Avenue SW

Good

Over: HEART RIVER

1 WEST OF SOUTH HEART, Stark, ND

Built 1996 Load: 25.8 t ADT: 24

COUNTY HIGHWAY

Good

Over: CREEK

4 SO. 1 EAST OF WHEATLAND, Cass, ND

Built 2011 Load: 25.9 t ADT: 20

NO DATA ENTERED

Good

Over: HORSE CREEK

NO DATA ENTERED, McKenzie, ND

Built 2013 Load: 25.9 t ADT: 10

COUNTY HIGHWAY

Good

Over: WILD RICE RIVER

4 WEST 1 NORTH MANTADOR, Richland, ND

Built 1986 Load: 25.9 t ADT: 50

109TH AVE NW

Good

Over: BEAVER CREEK

5 EAST 6 SOUTH RAY, Williams, ND

Built 2019 Load: 25.9 t ADT: 200

127th Avenue SW

Good

Over: SOUTH BRANCH HEART RIVER

3 EAST 6 SOUTH BELFIELD, Stark, ND

Built 1993 Load: 26.0 t ADT: 30

COUNTY HIGHWAY

Good

Over: CREEK

8 EAST OF PICKERT, Steele, ND

Built 1975 Load: 26.0 t ADT: 110

COUNTY ROAD

Good

Over: HARRIET DRAIN DITCH

5 SOUTH OF GRAFTON, Walsh, ND

Built 2004 Load: 26.0 t ADT: 10

5TH AVE. SE

Good

Over: SHEYENNE RIVER

5TH AVE SE, Barnes, ND

Built 1989 Load: 26.1 t ADT: 2,225

101st St SW

Good

Over: KNIFE RIVER

3 SOUTH 7 EAST MANNING, Dunn, ND

Built 1984 Load: 26.1 t ADT: 40

Showing 2,401-2,450 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.