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

Good

Over: WILD RICE RIVER

3 EAST 3 NORTH GREAT BEND, Richland, ND

Built 2014 Load: 30.7 t ADT: 40

125th Avenue SW

Good

Over: NORTH CREEK

5 EAST 2 NORTH BELFIELD, Stark, ND

Built 1977 Load: 30.7 t ADT: 35

CITY STREET

Good

Over: SHEYENNE RIVER

8TH AVE. SOUTHWEST, Barnes, ND

Built 1990 Load: 30.8 t ADT: 5,600

43RD AVENUE NORTH

Good

Over: HAY CREEK

1 EAST 1 NORTH BISMARCK, Burleigh, ND

Built 2022 Load: 30.8 t ADT: 7,775

US HIGHWAY 83

Good

Over: CP RAILWAY

MAX, McLean, ND

Built 1981 Load: 30.8 t ADT: 2,233

COUNTY HIGHWAY

Good

Over: N ROCKFORD CANAL NR1-2

4 SOUTH 2 EAST OF HARVEY, Wells, ND

Built 1986 Load: 30.9 t ADT: 10

COUNTY HIGHWAY

Good

Over: N ROCKFORD CANAL NR1-5

2 SOUTH 5 EAST OF HARVEY, Wells, ND

Built 1986 Load: 30.9 t ADT: 10

COUNTY HIWAY

Good

Over: BUFFALO CREEK

4 SOUTH OF WHEATLAND, Cass, ND

Built 1985 Load: 31.0 t ADT: 205

COUNTY HIGHWAY

Good

Over: SOURIS RIVER

1 WEST OF VERENDRYE, McHenry, ND

Built 2013 Load: 31.0 t ADT: 211

IRRSR COUNTY HIWAY

Good

Over: PORCUPINE CREEK

4 WEST 8 NORTH FT YATES, Sioux, ND

Built 1991 Load: 31.0 t ADT: 20

COUNTY HIGHWAY

Good

Over: CREEK

10 EAST 2 NORTH PICKERT, Steele, ND

Built 1980 Load: 31.0 t ADT: 30

COUNTY ROAD

Good

Over: SOUTH BRANCH PARK RIVER

2 EAST 1 NORTH PARK RIVER, Walsh, ND

Built 1993 Load: 31.0 t ADT: 45

COUNTY HIGHWAY

Good

Over: FOREST RIVER

11 EAST 4 SOUTH, Walsh, ND

Built 1986 Load: 31.0 t ADT: 100

COUNTY HIGHWAY

Good

Over: MAPLE RIVER

4 EAST OF MONANGO, Dickey, ND

Built 1994 Load: 31.1 t ADT: 100

INTERSTATE 29

Good

Over: CREEK

5 NORTH ND 15, Grand Forks, ND

Built 1967 Load: 31.1 t ADT: 11,600

INTERSTATE 29

Good

Over: County Drain

8 SOUTH OF ND 46, Richland, ND

Built 1973 Load: 31.1 t ADT: 5,600

COUNTY HIGHWAY

Good

Over: CREEK

10 EAST 1 NORTH PICKERT, Steele, ND

Built 1996 Load: 31.1 t ADT: 15

INTERSTATE 29

Good

Over: LEGAL DRAIN 40

1 SOUTH OF HARWOOD, Cass, ND

Built 2009 Load: 31.2 t ADT: 6,780

83rd Ave SW

Good

Over: CANNONBALL RIVER

1 SOUTH 8 EAST OF MOTT, Hettinger, ND

Built 2016 Load: 31.2 t ADT: 70

COUNTY HIGHWAY

Good

Over: MORAIS RIVER

11 EAST 7 SOUTH GRAFTON, Walsh, ND

Built 1977 Load: 31.2 t ADT: 19

US HIGHWAY 12

Good

Over: FLAT CREEK

WEST EDGE OF HETTINGER, Adams, ND

Built 1941 Load: 31.3 t ADT: 1,370

4TH ST SW

Good

Over: SHEYENNE RIVER

4TH ST SW-WEST SIDE PARK, Barnes, ND

Built 2007 Load: 31.3 t ADT: 1,931

Whitetail Rd

Good

Over: WHITETAIL CREEK

6 WEST 3 NORTH FAIRFIELD, Billings, ND

Built 1992 Load: 31.3 t ADT: 26

52ND AVE SOUTH

Good

Over: RED RIVER OF THE NORTH

52ND AVE SOUTH-FARGO, Cass, ND

Built 1978 Load: 31.3 t ADT: 1,875

ND HIGHWAY 200

Good

Over: SPRING CREEK

2 WEST OF ND 22, Dunn, ND

Built 2016 Load: 31.3 t ADT: 2,980

COUNTY HIGHWAY

Good

Over: BONE HILL CREEK

8 WEST OF DICKEY, LaMoure, ND

Built 2021 Load: 31.3 t ADT: 17

COUNTY HIGHWAY

Good

Over: WILD RICE RIVER

2 SOUTH OF CAYUGA, Sargent, ND

Built 1986 Load: 31.3 t ADT: 163

132ND AVE SW

Good

Over: N. FORK CANNONBALL RIVER

4 NORTH 10 EAST OF AMIDON, Slope, ND

Built 1998 Load: 31.3 t ADT: 24

COUNTY ROAD

Good

Over: MIDDLE BRANCH PARK RIVER

5 EAST 6 NORTH PARK RIVER, Walsh, ND

Built 2002 Load: 31.3 t ADT: 10

COUNTY HIGHWAY

Good

Over: SHEYENNE DIVERSION

6 SOUTH 1 WEST WEST FARGO, Cass, ND

Built 1991 Load: 31.4 t ADT: 170

INTERSTATE 29

Good

Over: COUNTY DRAIN # 38B

1 SOUTH OF ND 54, Grand Forks, ND

Built 1970 Load: 31.4 t ADT: 5,400

150TH AVE NW

Good

Over: CHARBONNEAU CREEK

6 S 2 W OF CHARBONNEAU, McKenzie, ND

Built 2022 Load: 31.4 t ADT: 72

US HIGHWAY 83

Good

Over: LONG LAKE

10 SOUTH I-94, Burleigh, ND

Built 1961 Load: 31.6 t ADT: 1,410

COUNTY HIGHWAY

Good

Over: COULEE

3 EAST 1 SOUTH MEKINOCK, Grand Forks, ND

Built 1966 Load: 31.6 t ADT: 305

ND HIGHWAY 68

Good

Over: BRANCH CHARBONNEAU CREEK

15 EAST OF MONTANA LINE, McKenzie, ND

Built 1948 Load: 31.6 t ADT: 340

US HIGHWAY 52

Good

Over: SPENCER COULEE

SOUTHEAST OF ND HWY 50, Ward, ND

Built 2002 Load: 31.6 t ADT: 1,510

COUNTY HIGHWAY

Good

Over: SHEYENNE RIVER

1 EAST OF KATHRYN, Barnes, ND

Built 1994 Load: 31.7 t ADT: 105

COUNTY HIGHWAY

Good

Over: MAPLE RIVER

3 NORTH 2 EAST TOWER CITY, Cass, ND

Built 2013 Load: 31.7 t ADT: 70

INTERSTATE 29

Good

Over: COUNTY DRAIN NO 3

4 SOUTH OF ND 54, Grand Forks, ND

Built 1931 Load: 31.7 t ADT: 5,400

25TH AVE

Good

Over: CHANTA PETA CREEK

17 S 2 W OF ST ANTHONY, Morton, ND

Built 1979 Load: 31.7 t ADT: 15

COUNTY HIGHWAY

Good

Over: N BRANCH OF PARK RIVER

6 WEST 6 NORTH OF GRAFTON, Walsh, ND

Built 2000 Load: 31.7 t ADT: 50

US HIGHWAY 81

Good

Over: DRAINAGE DITCH

1 SOUTH OF ND 17, Walsh, ND

Built 1995 Load: 31.7 t ADT: 2,550

SULLY CREEK ROAD

Good

Over: SULLY CREEK

1 SOUTH OF MEDORA, Billings, ND

Built 2015 Load: 31.8 t ADT: 175

COUNTY ROAD

Good

Over: SOURIS RIVER

4 EAST 1 NORTH OF UPHAM, McHenry, ND

Built 1988 Load: 31.8 t ADT: 100

COUNTY HIGHWAY

Good

Over: CHARBONNEAU CREEK

7 SOUTH 2 WEST ALEXANDER, McKenzie, ND

Built 2015 Load: 31.8 t ADT: 20

COUNTY HIGHWAY

Good

Over: BEAVER CREEK

13 EAST 4 NORTH OF FINLEY, Steele, ND

Built 1980 Load: 31.8 t ADT: 20

US HIGHWAY 85

Good

Over: CREEK

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

Built 1966 Load: 31.9 t ADT: 1,050

COUNTY HIGHWAY

Good

Over: BONE HILL CREEK

1 WEST 2 SOUTH OF DICKEY, LaMoure, ND

Built 1997 Load: 31.9 t ADT: 126

US HIGHWAY 85

Good

Over: WILDLIFE CROSSING

4 SOUTH OF US 2, McKenzie, ND

Built 2017 Load: 31.9 t ADT: 10,545

ND HIGHWAY

Good

Over: LOUSE CREEK

1 WEST OF FLASHER, Morton, ND

Built 1954 Load: 31.9 t ADT: 900

Showing 2,651-2,700 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.