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

US HIGHWAY 281

Good

Over: WOODY DRAW

3 SOUTH OF MINNEWAUKAN, Benson, ND

Built 2005 Load: 55.6 t ADT: 675

US HIGHWAY 85

Good

Over: BNSF RAILROAD SEP

1 NORTH OF JCT US 12, Bowman, ND

Built 2000 Load: 55.7 t ADT: 3,250

COUNTY HIGHWAY

Good

Over: LIGHTNING CREEK

10 SOUTH 1 EAST REEDER, Adams, ND

Built 1996 Load: 55.8 t ADT: 60

INTERSTATE 29

Good

Over: BRANCH OF BUFFALO COULEE

4 NORTH OF ND 200, Traill, ND

Built 1969 Load: 55.9 t ADT: 9,100

INTERSTATE 29

Good

Over: BRANCH OF BUFFALO COULEE

6 NORTH OF ND 200, Traill, ND

Built 1969 Load: 55.9 t ADT: 9,100

I-94 BUSINESS LOOP

Good

Over: HEART RIVER

1 WEST OF ND 6, Morton, ND

Built 2007 Load: 56.0 t ADT: 3,260

ND HIGHWAY 13

Good

Over: WILD RICE RIVER

4 WEST OF WAHPETON, Richland, ND

Built 2002 Load: 56.1 t ADT: 2,650

COUNTY HIGHWAY

Good

Over: WILD RICE RIVER

4 NORTH 2 EAST OF CAYUGA, Sargent, ND

Built 1999 Load: 56.1 t ADT: 20

COUNTY HIGHWAY

Good

Over: BIG COULEE

4 S 1 W CHURCH'S FERRY, Benson, ND

Built 1995 Load: 56.2 t ADT: 25

ND HIGHWAY 18

Good

Over: FOREST RIVER

2 NORTH OF INKSTER, Grand Forks, ND

Built 2003 Load: 56.2 t ADT: 690

ND HIGHWAY 1806

Good

Over: HEART RIVER

1 SOUTH OF I-94, Morton, ND

Built 1976 Load: 56.2 t ADT: 7,360

COUNTY GRAVEL ROAD

Good

Over: MAPLE CREEK

2 EAST 1 NORTH OF EDGELEY, LaMoure, ND

Built 2014 Load: 56.4 t ADT: 50

ND HIGHWAY 60

Good

Over: WILLOW CREEK

14 SOUTH OF ND HWY 5, Bottineau, ND

Built 2002 Load: 56.6 t ADT: 500

81ST STREET

Good

Over: CREEK

6 NORTH 2 EAST SCRANTON, Bowman, ND

Built 2015 Load: 57.0 t ADT: 25

US HIGHWAY 2

Good

Over: BN RAILROAD

5 EAST OF TAGUS, Ward, ND

Built 2007 Load: 57.0 t ADT: 1,600

87th St. SW

Good

Over: LITTLE MISSOURI RIVER

10 SOUTH OF MARMATH, Bowman, ND

Built 1997 Load: 57.2 t ADT: 25

ND HIGHWAY 32

Good

Over: CREEK

1 SOUTH OF ND 46, Ransom, ND

Built 1980 Load: 57.2 t ADT: 1,170

ND HIGHWAY 16

Good

Over: LITTLE BEAVER CREEK

6 NORTH OF BEACH, Golden Valley, ND

Built 1976 Load: 57.3 t ADT: 310

ND HIGHWAY 14

Good

Over: CREEK

2 NW OF TOWNER, McHenry, ND

Built 2003 Load: 57.3 t ADT: 510

25TH AVE.

Good

Over: CREEK

6 NORTH 14 EAST OF JUDSON, Morton, ND

Built 1993 Load: 57.4 t ADT: 10

US HIGHWAY 2

Good

Over: N. BRANCH TURTLE RIVER

2 EAST OF ND 18, Grand Forks, ND

Built 1979 Load: 57.6 t ADT: 2,035

US HIGHWAY 12

Good

Over: BNSF RR

NW OF GASCOYNE, Bowman, ND

Built 2001 Load: 57.7 t ADT: 750

US HIGHWAY 85

Good

Over: Wildlife Crossing

16.5 SOUTH OF ND 23, McKenzie, ND

Built 2020 Load: 57.7 t ADT: 4,680

ND HIGHWAY 19

Good

Over: SIX MILE BAY

7 WEST OF US 2, Ramsey, ND

Built 2001 Load: 57.7 t ADT: 1,320

9th St. SW

Good

Over: CREEK

3 WEST OF GOLDEN VALLEY, Mercer, ND

Built 1940 Load: 57.8 t ADT: 5

COUNTY HIGHWAY

Good

Over: CREEK

1 NORTH 6 WEST FT RICE, Morton, ND

Built 2001 Load: 57.8 t ADT: 75

COUNTY ROAD

Good

Over: CREEK

3 N 1 W OF TOWER CITY, Barnes, ND

Built 1983 Load: 57.9 t ADT: 45

ND HIGHWAY 46

Good

Over: CASS CREEK

2 WEST OF I-29, Cass, ND

Built 1986 Load: 57.9 t ADT: 1,480

ND HIGHWAY 5

Good

Over: BOUNDARY CREEK

7 EAST OF US HWY 83 NORTH, Bottineau, ND

Built 2002 Load: 58.1 t ADT: 730

ND HIGHWAY 46

Good

Over: SHEYENNE RIVER

1 SOUTH OF KINDRED, Cass, ND

Built 1986 Load: 58.2 t ADT: 1,690

US 81/52ND AVE.STH

Good

Over: COOK COULEE

1 EAST OF I-29, Cass, ND

Built 2008 Load: 58.2 t ADT: 6,230

US 81/52ND AVE.STH

Good

Over: COOK COULEE

1 EAST OF I-29, Cass, ND

Built 2008 Load: 58.2 t ADT: 6,230

ND HIGHWAY 21

Good

Over: CANNONBALL RIVER

3 EAST JCT US 85, Slope, ND

Built 1983 Load: 58.2 t ADT: 350

COUNTY ROAD

Good

Over: CREEK

1 S 1 W OF WATORD CITY, McKenzie, ND

Built 2021 Load: 58.3 t ADT: 92

US HIGHWAY 52

Good

Over: FULLER COULEE

5 NORTHWEST OF U.S. 2 W, Ward, ND

Built 1985 Load: 58.3 t ADT: 1,930

Bucyrus Road

Good

Over: CREEK

BUCYRUS, Adams, ND

Built 2007 Load: 58.4 t ADT: 50

INTERSTATE 29

Good

Over: BUFFALO COULEE

9 NORTH ND 200, Traill, ND

Built 1969 Load: 58.4 t ADT: 9,400

US HIGHWAY 2

Good

Over: TURTLE RIVER

5 EAST OF ND 18, Grand Forks, ND

Built 1979 Load: 58.5 t ADT: 2,155

ND HIGHWAY 22

Good

Over: ANTELOPE CREEK

11 SOUTH OF DICKINSON, Stark, ND

Built 1979 Load: 58.5 t ADT: 1,460

42ND ST SW

Good

Over: COUNTY DRAIN 27

0.5 MILE WEST OF I-29, Cass, ND

Built 2001 Load: 58.6 t ADT: 1,000

CMC 2615

Good

Over: CREEK

1.5 SOUTH OF RAUB, McLean, ND

Built 2015 Load: 59.0 t ADT: 35

127TH AVE SW

Good

Over: BULL CREEK

3 EAST 8 SOUTH BELFIELD, Stark, ND

Built 2021 Load: 59.0 t ADT: 20

ND HIGHWAY 6

Good

Over: SE BR-LITTLE HEART RIVER

1 EAST ST ANTHONY, Morton, ND

Built 1994 Load: 59.1 t ADT: 1,550

ND HIGHWAY 5

Good

Over: DRAINAGE DITCH

3 EAST OF I-29, Pembina, ND

Built 1967 Load: 59.1 t ADT: 290

US HIGHWAY 81

Good

Over: ENGLISH COULEE

1 NORTH OF US 2, Grand Forks, ND

Built 2003 Load: 59.3 t ADT: 4,570

US HIGHWAY 281

Good

Over: COTTONWOOD CREEK

7 NORTH OF ND 13, LaMoure, ND

Built 2006 Load: 59.4 t ADT: 1,625

ND HIGHWAY 200

Good

Over: FALKIRK HAUL ROAD

1 EAST OF US 83, McLean, ND

Built 2007 Load: 59.5 t ADT: 400

BISMARCK EXPWY.

Good

Over: BN & CP RAILWAY

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

Built 1985 Load: 59.6 t ADT: 8,000

COUNTY HIGHWAY

Good

Over: COUNTY DRAIN 14

2 EAST 2 NORTH DAVENPORT, Cass, ND

Built 2018 Load: 59.6 t ADT: 10

64 1/2 AVE SW

Good

Over: COYOTE CREEK

3 EAST 12 SOUTH OF ZAP, Mercer, ND

Built 2011 Load: 59.6 t ADT: 45

Showing 3,551-3,600 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.