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: BENNIE PEER CREEK

6 N 3 W HOMESTEADERS GAP, McKenzie, ND

Built 1982 Load: 23.6 t ADT: 255

US 2 BUSINESS RT

Good

Over: CP RAILWAY

BURDICK EXPY. EAST, Ward, ND

Built 1980 Load: 23.6 t ADT: 11,200

US HIGHWAY 52

Good

Over: BONNES COULEE

1 WEST OF ND 41, McHenry, ND

Built 1947 Load: 23.7 t ADT: 2,360

COUNTY HIGHWAY

Good

Over: CHENEY CREEK

8 S. 5 W. OF CARTWRIGHT, McKenzie, ND

Built 2001 Load: 23.7 t ADT: 20

COUNTY HIGHWAY

Good

Over: BEAVER CREEK

9 EAST OF SHARON, Steele, ND

Built 1938 Load: 23.7 t ADT: 15

16th St SW

Good

Over: CROOKED CREEK

4 SOUTH 8 EAST OF MANNING, Dunn, ND

Built 1995 Load: 23.8 t ADT: 20

98th AVE SW

Good

Over: DEEP CREEK

3 SOUTH 11 WEST MARSHALL, Dunn, ND

Built 1986 Load: 23.8 t ADT: 45

19th St SW

Good

Over: DEEP CREEK

7 WEST OF MARSHALL, Dunn, ND

Built 1997 Load: 23.8 t ADT: 20

22nd St SW

Good

Over: DEEP CREEK

7 WEST 2 SOUTH MARSHALL, Dunn, ND

Built 1993 Load: 23.8 t ADT: 45

COUNTY HIGHWAY

Good

Over: PEMBINA RIVER

6 WEST 1 SOUTH OF PEMBINA, Pembina, ND

Built 1981 Load: 23.8 t ADT: 50

128TH AVE SW

Good

Over: N. FORK CANNONBALL RIVER

6 NORTH 13 EAST OF AMIDON, Slope, ND

Built 1983 Load: 23.8 t ADT: 26

71ST ST SW

Good

Over: CHANTA PETA CREEK

7 SOUTH 18 EAST OF AMIDON, Slope, ND

Built 1985 Load: 23.8 t ADT: 50

41st Street SW

Good

Over: SOUTH BRANCH HEART RIVER

4 W 3 S OF SOUTH HEART, Stark, ND

Built 1983 Load: 23.8 t ADT: 30

ND HIGHWAY 30

Good

Over: BIG SLOUGH

8 NORTH ND 15, Wells, ND

Built 1982 Load: 23.8 t ADT: 220

US HIGHWAY 2

Good

Over: CREEK

1 EAST OF N.D. HWY 14 S, McHenry, ND

Built 1936 Load: 23.9 t ADT: 2,700

ND HIGHWAY 17

Good

Over: CREEK

1 EAST OF US 81, Walsh, ND

Built 1981 Load: 23.9 t ADT: 3,870

158TH ST NE

Good

Over: APPLE CREEK

2 NORTH OF MENOKEN, Burleigh, ND

Built 1969 Load: 24.0 t ADT: 90

COUNTY HIGHWAY

Good

Over: MOUSE RIVER

3 EAST 9 NORTH KARLSRUHE, McHenry, ND

Built 2017 Load: 24.0 t ADT: 25

Langer Lane

Good

Over: Outlet Channel

Shoreline Drive, Burleigh, ND

Built 2010 Load: 24.1 t ADT: 2,010

I-94 BUSINESS LOOP

Good

Over: MISSOURI RIVER

BETWEEN BISMARCK & MANDAN, Burleigh, ND

Built 2008 Load: 24.1 t ADT: 14,700

64th ST SW

Good

Over: ANTELOPE CREEK

6 NORTH 1 WEST OF ELGIN, Grant, ND

Built 1992 Load: 24.1 t ADT: 20

County Highway 9

Good

Over: ANTELOPE CREEK

3 WEST 1 NORTH HAZEN, Mercer, ND

Built 1991 Load: 24.1 t ADT: 60

122nd Ave SW

Good

Over: SOUTH BRANCH HEART RIVER

1 W 1 S SOUTH HEART, Stark, ND

Built 1985 Load: 24.1 t ADT: 40

COUNTY HIGHWAY

Good

Over: INTERMITTENT STREAM

6 WEST OF HILLSBORO, Traill, ND

Built 2017 Load: 24.1 t ADT: 20

US HIGHWAY 52

Good

Over: MOTT COULEE

6 NORTH OF DONNYBROOK, Ward, ND

Built 1947 Load: 24.1 t ADT: 1,520

ND HIGHWAY 60

Good

Over: CREEK

6 SOUTH OF N.D. HWY 5, Bottineau, ND

Built 1960 Load: 24.2 t ADT: 430

COUNTY ROAD

Good

Over: Box Elder Creek

25 SOUTH 2 WEST MARMARTH, Bowman, ND

Built 2013 Load: 24.3 t ADT: 25

COUNTY HIGHWAY

Good

Over: N ROCKFORD CANAL NR2-4

3 N 7 W NEW ROCKFORD, Eddy, ND

Built 1989 Load: 24.3 t ADT: 70

COUNTY ROAD

Good

Over: FOREST RIVER

4 EAST 2 NORTH INKSTER, Grand Forks, ND

Built 1993 Load: 24.4 t ADT: 100

ND HIGHWAY 1

Good

Over: CREEK

4 NORTH OF ND 17, Ramsey, ND

Built 1980 Load: 24.4 t ADT: 450

COUNTY HIGHWAY

Good

Over: SNOWFLAKE CREEK

5 NORTH OF WALES, Cavalier, ND

Built 1998 Load: 24.5 t ADT: 50

COUNTY HIGHWAY

Good

Over: PEMBINA RIVER

3 EAST OF NECHE, Pembina, ND

Built 1980 Load: 24.5 t ADT: 27

64TH ST SW

Good

Over: DEEP CREEK

10 WEST OF AMIDON, Slope, ND

Built 1984 Load: 24.5 t ADT: 60

2ND AVE NE

Good

Over: HEART RIVER

2ND AVE NE BELFIELD, Stark, ND

Built 1988 Load: 24.5 t ADT: 1,300

US HIGHWAY 12

Good

Over: FLAT CREEK

9 EAST JCT. ND 22 NORTH, Adams, ND

Built 2007 Load: 24.6 t ADT: 1,180

ND HIGHWAY 22

Good

Over: GUMBO CREEK

2 W 3 NORTH OF KILLDEER, Dunn, ND

Built 2016 Load: 24.6 t ADT: 900

COUNTY ROAD

Good

Over: MCCLUSKY CANAL R1-1A

11 EAST COLEHARBOR, McLean, ND

Built 1973 Load: 24.6 t ADT: 25

3RD AVENUE SE

Good

Over: SHEYENNE RIVER

3RD AVE SE-VALLEY CITY, Barnes, ND

Built 1991 Load: 24.7 t ADT: 1,700

COUNTY HIGHWAY

Good

Over: ANTELOPE CREEK

1 WEST 2 NORTH MOORETON, Richland, ND

Built 1988 Load: 24.7 t ADT: 20

COUNTY HIGHWAY

Good

Over: SOUTH BRANCH GOOSE RIVER

4 SOUTH 15 EAST FINLEY, Steele, ND

Built 1991 Load: 24.7 t ADT: 51

SOUTH 3RD STREET

Good

Over: STORM DRAIN

SOUTH 3RD STREET, Burleigh, ND

Built 1969 Load: 24.8 t ADT: 1,400

COUNTY HIGHWAY

Good

Over: DRAIN

EAST OF WILD RICE, Cass, ND

Built 2000 Load: 24.8 t ADT: 175

ND HIGHWAY 3

Good

Over: CREEK

JUST WEST OF WISHEK, McIntosh, ND

Built 1957 Load: 24.8 t ADT: 980

IRRFB ND HIWAY 23

Good

Over: CRANE CREEK

6 EAST OF ND 1804, Mountrail, ND

Built 2012 Load: 24.8 t ADT: 7,340

52ND Street SW

Good

Over: BEAVER CREEK

16 S 4 E OF RICHARDTON, Stark, ND

Built 1994 Load: 24.8 t ADT: 24

41st ST NE

Good

Over: PAINTED WOODS CREEK

3 EAST 7 NORTH OF WILTON, Burleigh, ND

Built 1970 Load: 24.9 t ADT: 20

COUNTY HIGHWAY 139

Good

Over: Big Muddy Creek

3 WEST 1 NORTH GLEN ULLIN, Morton, ND

Built 1970 Load: 24.9 t ADT: 500

COUNTY HIGHWAY

Good

Over: MAPLE RIVER

1 EAST OF ENDERLIN, Ransom, ND

Built 1984 Load: 24.9 t ADT: 525

COUNTY HIGHWAY

Good

Over: ANTELOPE CREEK

1 NORTH OF MOORETON, Richland, ND

Built 1995 Load: 24.9 t ADT: 450

COUNTY HIGHWAY

Good

Over: OX CREEK

17 NORTH 5 WEST OF RUGBY, Rolette, ND

Built 1970 Load: 24.9 t ADT: 65

Showing 2,351-2,400 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.