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 HIGHWAY

Fair

Over: COLE CREEK

3 EAST 1 SOUTH THOMPSON, Grand Forks, ND

Built 2002 Load: 84.0 t ADT: 1,525

ND HIGHWAY 50

Fair

Over: CREEK

3 EAST OF ND 40, Burke, ND

Built 1961 Load: 85.0 t ADT: 410

ROCKET ROAD

Fair

Over: DRAINAGE CHANNEL

0.17 MILES EAST FROM PEAC, Ward, ND

Built 1961 Load: 85.3 t ADT: 800

US HIGHWAY 85

Fair

Over: CREEK

5 NORTH OF S.D. BORDER, Bowman, ND

Built 1966 Load: 86.5 t ADT: 1,030

ND HIGHWAY 200

Fair

Over: ALDERIN CREEK

2 WEST OF ND 48, Mercer, ND

Built 1970 Load: 87.2 t ADT: 1,120

US HIGHWAY 85

Fair

Over: HEART RIVER

1 SOUTH OF JCT. I-94, Stark, ND

Built 1967 Load: 88.6 t ADT: 2,300

COUNTY HIGHWAY

Fair

Over: NORTH BRANCH PARK RIVER

3 EAST 1 SOUTH OSNABROCK, Cavalier, ND

Built 1990 Load: 89.7 t ADT: 2

COUNTY ROAD

Fair

Over: DRAIN

9 E 1 N OF KELSO, Traill, ND

Built 1995 Load: 89.7 t ADT: 10

N.D.HIGHWAY 19

Fair

Over: CREEK

2 EAST OF NEW HWY 281, Benson, ND

Built 2005 Load: 90.5 t ADT: 730

ND HIGHWAY 66

Fair

Over: NORTH BRANCH PARK RIVER

8 WEST ND 32, Cavalier, ND

Built 1963 Load: 90.5 t ADT: 390

ND HIGHWAY 22

Fair

Over: CREEK

4 SOUTH OF ND 200, Dunn, ND

Built 1986 Load: 90.5 t ADT: 1,610

US HIGHWAY 85

Fair

Over: CREEK

10 NORTH OF ND 200, McKenzie, ND

Built 2000 Load: 90.5 t ADT: 940

US HIGHWAY 85

Fair

Over: CAMP CREEK

3 NORTH OF ND 200, McKenzie, ND

Built 1968 Load: 90.5 t ADT: 1,350

COUNTY ROAD

Fair

Over: DITCH

4 WEST 2 SOUTH PITTSBURG, Pembina, ND

Built 1976 Load: 90.5 t ADT: 24

COUNTY HIGHWAY

Fair

Over: ANTELOPE CREEK

7 EAST 5 NORTH WYNDMERE, Richland, ND

Built 2016 Load: 90.5 t ADT: 20

ND HIGHWAY 18

Fair

Over: ELK CREEK

1 SOUTH OF WYNDMERE, Richland, ND

Built 1978 Load: 90.5 t ADT: 680

ND HIGHWAY 4

Fair

Over: CREEK

1 NORTH OF US 281, Towner, ND

Built 1955 Load: 90.5 t ADT: 200

US HIGHWAY 83

Fair

Over: 2ND LARSON COULEE

3 SOUTH OF U.S. HWY 2, Ward, ND

Built 1964 Load: 90.5 t ADT: 5,670

ND HIGHWAY 1804

Fair

Over: EIGHT MILE CREEK

3 SOUTHWEST TRENTON, Williams, ND

Built 1989 Load: 90.5 t ADT: 1,450

IRRFB ND HIWAY 22

Fair

Over: BEAR DEN CREEK

3 NORTH OF ND 73, McKenzie, ND

Built 1978 Load: 94.0 t ADT: 680

ND HIGHWAY 49

Fair

Over: CREEK

IN BEULAH, Mercer, ND

Built 1967 Load: 94.0 t ADT: 3,730

ND HIGHWAY 200

Fair

Over: BRANCH OF SPRING CREEK

4 WEST OF BEULAH, Mercer, ND

Built 1979 Load: 94.0 t ADT: 970

BISMARCK EXPWY

Fair

Over: BNRR SPUR TRACK REMOVED

3 S 1 W OF I-94 EXIT 161, Burleigh, ND

Built 1984 Load: 96.9 t ADT: 8,000

IRRSR ND HIWAY 24

Fair

Over: BEAVER HOLES CREEK

4 SOUTH ND 1806, Sioux, ND

Built 1965 Load: 96.9 t ADT: 1,830

COUNTY ROAD

Fair

Over: CUT BANK CREEK

7 NORTH 2 EAST LANSFORD, Bottineau, ND

Built 2009 Load: 99.9 t ADT: 25

ND HIGHWAY 5

Fair

Over: STONE CREEK

2 EAST OF ND HWY 14 N, Bottineau, ND

Built 2001 Load: 99.9 t ADT: 1,300

ND HIGHWAY 5

Fair

Over: E. BRANCH OF SHORT CREEK

6 EAST OF LARSON, Burke, ND

Built 1976 Load: 99.9 t ADT: 460

COUNTY HIGHWAY

Fair

Over: MAPLE RIVER

4 EAST 2 SOUTH TOWER CITY, Cass, ND

Built 1945 Load: 99.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: COUNTY DRAIN 12

1 WEST 1 NORTH HARWOOD, Cass, ND

Built 1979 Load: 99.9 t ADT: 20

ND HIGHWAY 5

Fair

Over: TONGUE RIVER

5 WEST ND 32 NORTH, Cavalier, ND

Built 1953 Load: 99.9 t ADT: 630

ND HIGHWAY 16

Fair

Over: CREEK

14 SOUTH OF I-94, Golden Valley, ND

Built 1977 Load: 99.9 t ADT: 350

US HIGHWAY 81

Fair

Over: CREEK

11 NORTH OF MANVEL, Grand Forks, ND

Built 2006 Load: 99.9 t ADT: 2,820

ND HIGHWAY 1806

Fair

Over: CREEK

6 SOUTH OF I-94, Morton, ND

Built 1966 Load: 99.9 t ADT: 2,450

COUNTY HIGHWAY

Fair

Over: DITCH

3 WEST 2 SOUTH PITTSBURG, Pembina, ND

Built 1946 Load: 99.9 t ADT: 24

COUNTY HIGHWAY

Fair

Over: ANTELOPE CREEK

5 WEST 5 SOUTH OF COLFAX, Richland, ND

Built 1983 Load: 99.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: ANTELOPE CREEK

3 WEST 4 NORTH MOORETON, Richland, ND

Built 1975 Load: 99.9 t ADT: 75

COUNTY HIGHWAY

Fair

Over: CREEK

4 EAST 2 SOUTH GREAT BEND, Richland, ND

Built 1983 Load: 99.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: CREEK

4 EAST 3 SOUTH GREAT BEND, Richland, ND

Built 2000 Load: 99.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: CREEEK

6 SOUTH OF WHAPETON, Richland, ND

Built 2012 Load: 99.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: NORTH BRANCH GOOSE RIVER

1 EAST 1 NORTH PORTLAND, Traill, ND

Built 1996 Load: 99.9 t ADT: 110

COUNTY HIGHWAY

Fair

Over: NORTH BRANCH GOOSE RIVER

2 WEST 1 NORTH MAYVILLE, Traill, ND

Built 1998 Load: 99.9 t ADT: 50

COUNTY HIGHWAY

Fair

Over: N. MAYVILLE DRAIN NO. 8

4 EAST 3 NORTH MAYVILLE, Traill, ND

Built 1994 Load: 99.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: NORTH BRANCH GOOSE RIVER

5 EAST 1 NORTH MAYVILLE, Traill, ND

Built 1995 Load: 99.9 t ADT: 10

COUNTY HIGHWAY

Fair

Over: ELM RIVER

8 EAST 4 SOUTH OF KELSO, Traill, ND

Built 1982 Load: 99.9 t ADT: 85

ND HIGHWAY 32

Fair

Over: CREEK

2 NORTH OF ND 17, Walsh, ND

Built 1976 Load: 99.9 t ADT: 800

53rd Avenue NE

Fair

Over: New Rockford Canal

10.3 mi E-NE of Fessenden, Wells, ND

Built 1982 Load: 99.9 t ADT: 50

US HIGHWAY 52

Fair

Over: PIPESTEM CREEK

3 EAST OF ND 200 WEST, Wells, ND

Built 1979 Load: 99.9 t ADT: 1,160

COUNTY HIGHWAY

Good

Over: BIG COULEE

7 SOUTH CHURCH'S FERRY, Benson, ND

Built 1991 ADT: 20

1 LANE GRAVEL RD

Good

Over: WHITETAIL CREEK

34 MI NW BELFIELD, ND, Billings, ND

Built 1983 ADT: 50

1 LANE RD

Good

Over: WHITETAIL CREEK

35 MI NW BELFIELD, ND, Billings, ND

Built 1983 ADT: 27

Showing 2,051-2,100 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.