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 ROAD

Fair

Over: OAK CREEK

2 SOUTH OF BOTTINEAU, Bottineau, ND

Built 1935 Load: 18.0 t ADT: 25

COUNTY ROAD

Fair

Over: CREEK

1 WEST 2 SOUTH OF OVERLY, Bottineau, ND

Built 1947 Load: 18.0 t ADT: 15

COUNTY HIWAY 1112

Fair

Over: MAPLE RIVER

1 SOUTH 1 EAST FULLERTON, Dickey, ND

Built 1979 Load: 18.0 t ADT: 420

4TH AVE SW

Fair

Over: BADGER CREEK

8WEST 1NORTH OF HAZELTON, Emmons, ND

Built 1955 Load: 18.0 t ADT: 10

87th Ave SW

Fair

Over: CREEK

10 SOUTH 6 EAST OF MOTT, Hettinger, ND

Built 1967 Load: 18.0 t ADT: 70

ND HIGHWAY

Fair

Over: BR. SQUARE BUTTE CREEK

2 NORTH OF HANNOVER, Oliver, ND

Built 1948 Load: 18.0 t ADT: 560

COUNTY HIGHWAY

Fair

Over: GOOSE RIVER

NORTH OF PORTLAND, Traill, ND

Built 1990 Load: 18.0 t ADT: 150

COUNTY ROAD

Fair

Over: COTTONWOOD CREEK

1 EAST 4 SOUTH OF LAMOURE, LaMoure, ND

Built 1950 Load: 18.1 t ADT: 10

COUNTY ROAD

Fair

Over: PAINTED WOODS CREEK

8 NORTH 1 WEST WILTON, McLean, ND

Built 1978 Load: 18.1 t ADT: 25

74th Ave SW

Fair

Over: SPRING CREEK

1 SOUTH OF GOLDEN VALLEY, Mercer, ND

Built 1981 Load: 18.1 t ADT: 45

COUNTY ROAD 3804

Fair

Over: SOURIS RIVER

14 WEST OF SHERWOOD, Renville, ND

Built 1977 Load: 18.1 t ADT: 95

COUNTY ROAD

Fair

Over: CREEK

5 EAST 4 NORTH WALHALLA, Pembina, ND

Built 1980 Load: 18.3 t ADT: 20

COUNTY ROAD

Fair

Over: DRAIN DITCH

5 EAST 1 SOUTH GARDAR, Pembina, ND

Built 1967 Load: 18.4 t ADT: 2

COUNTY ROAD

Fair

Over: COULEE

3 EAST 1 SOUTH MEKINOCK, Grand Forks, ND

Built 1962 Load: 18.5 t ADT: 25

65th St SW

Fair

Over: CREEK

6 NORTH 5 EAST OF MOTT, Hettinger, ND

Built 1942 Load: 18.6 t ADT: 25

55th Ave.

Fair

Over: BN RAILROAD

9 WEST OF NEW SALEM, Morton, ND

Built 1949 Load: 18.6 t ADT: 25

APPROACH

Fair

Over: DRAIN DITCH

3 NORTH MANVEL, Grand Forks, ND

Built 1951 Load: 18.7 t ADT: 5

COUNTY HIGHWAY

Fair

Over: JAMES RIVER

EAST OF GRAND RAPIDS, LaMoure, ND

Built 1962 Load: 18.7 t ADT: 160

ND HIGHWAY 22

Fair

Over: DRY CREEK

7 SOUTH OF DICKINSON, Stark, ND

Built 1978 Load: 18.7 t ADT: 1,630

COUNTY HIGHWAY

Fair

Over: BRANCH OF ELM RIVER

2 SOUTHWEST OF HUNTER, Cass, ND

Built 1950 Load: 18.8 t ADT: 20

COUNTY HIGHWAY

Fair

Over: LONG CREEK

4 NORTH OF CROSBY, Divide, ND

Built 1976 Load: 18.8 t ADT: 255

COUNTY HIGHWAY

Fair

Over: CREEK

10 WEST OF HUNTER, Cass, ND

Built 1967 Load: 18.9 t ADT: 20

COUNTY HIGHWAY

Fair

Over: ELM RIVER

4 WEST 1 SOUTH OF GRANDIN, Cass, ND

Built 1955 Load: 18.9 t ADT: 10

3RD ST SW

Fair

Over: SPRING CREEK

6 WEST OF KILLDEER, Dunn, ND

Built 1932 Load: 18.9 t ADT: 25

81st St SW

Fair

Over: CREEK

8 SOUTH 1 EAST OF MOTT, Hettinger, ND

Built 1969 Load: 18.9 t ADT: 50

ND HIGHWAY 49

Fair

Over: CREEK

1 SOUTH OF GLEN ULLIN, Morton, ND

Built 1935 Load: 18.9 t ADT: 830

COUNTY HIGHWAY

Fair

Over: SWEETWATER LAKE

3 E 7 N DEVILS LAKE, Ramsey, ND

Built 1981 Load: 18.9 t ADT: 75

COUNTY HIGHWAY

Fair

Over: BURLINGTON NORTHERN RR

CITY OF LUVERNE, Steele, ND

Built 1963 Load: 18.9 t ADT: 310

ND HIGHWAY 17

Fair

Over: CREEK

5 WEST OF ND 20, Towner, ND

Built 1962 Load: 18.9 t ADT: 300

COUNTY ROAD

Fair

Over: DES LACS RIVER

1 WEST 1 NORTH BURLINGTON, Ward, ND

Built 1960 Load: 18.9 t ADT: 25

COUNTY HIGHWAY

Fair

Over: NORTH BRANCH FOREST RIVE

4 EAST OF LANKIN, Walsh, ND

Built 1984 Load: 19.0 t ADT: 265

29TH ST. NE

Fair

Over: SHEEP CREEK

14 NORTH 4 EAST LEMMON SD, Adams, ND

Built 1983 Load: 19.1 t ADT: 60

ND HIGHWAY 8

Fair

Over: CREEK

9 NORTH JCT US 12, Adams, ND

Built 1934 Load: 19.1 t ADT: 510

COUNTY ROAD

Fair

Over: CREEK

9 EAST OF DAZEY, Barnes, ND

Built 1930 Load: 19.1 t ADT: 20

4TH ST SW

Fair

Over: SHEYENNE RIVER

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

Built 1924 Load: 19.1 t ADT: 3,200

COUNTY HIGHWAY

Fair

Over: CREEK

2 EAST 1 SOUTH YORK, Benson, ND

Built 1932 Load: 19.1 t ADT: 5

121ST AVE

Fair

Over: GREEN RIVER

8 EAST 12 SOUTH FAIRFIELD, Billings, ND

Built 1946 Load: 19.1 t ADT: 26

PARK ROAD

Fair

Over: SHEEP CREEK

16 WEST OF JCT. US 85, Billings, ND

Built 1957 Load: 19.1 t ADT: 300

COUNTY ROAD

Fair

Over: CREEK BED

1 EAST 1 NORTH OF OMEMEE, Bottineau, ND

Built 1936 Load: 19.1 t ADT: 25

ND HIGHWAY 8

Fair

Over: CREEK

2 NORTH OF US 52, Burke, ND

Built 1931 Load: 19.1 t ADT: 160

ND HIGHWAY 50

Fair

Over: CREEK

4 EAST OF ND 40, Burke, ND

Built 1936 Load: 19.1 t ADT: 420

ND HIGHWAY 50

Fair

Over: CREEK

8 WEST OF ND 8, Burke, ND

Built 1937 Load: 19.1 t ADT: 530

CR 10

Fair

Over: MCKENZIE SLOUGH

1 WEST OF MCKENZIE, Burleigh, ND

Built 1931 Load: 19.1 t ADT: 745

275TH ST SE

Fair

Over: CREEK

3 EAST 4 SOUTH MCKENZIE, Burleigh, ND

Built 1935 Load: 19.1 t ADT: 40

COUNTY HIGHWAY

Fair

Over: SWAN CREEK

6 NORTH OF DURBIN, Cass, ND

Built 1960 Load: 19.1 t ADT: 20

COUNTY HIGHWAY

Fair

Over: COUNTY DRAIN 23

1 SOUTH OF GARDNER, Cass, ND

Built 1937 Load: 19.1 t ADT: 260

COUNTY HIGHWAY

Fair

Over: CREEK

1 SOUTH OF HARWOOD, Cass, ND

Built 1948 Load: 19.1 t ADT: 575

COUNTY HIGHWAY

Fair

Over: WILD RICE RIVER

2 WEST 1 NORTH OF HICKSON, Cass, ND

Built 1976 Load: 19.1 t ADT: 20

ND HIGHWAY 10

Fair

Over: CREEK

2 EAST OF ND 18, Cass, ND

Built 1931 Load: 19.1 t ADT: 230

ND HIGHWAY 10

Fair

Over: CREEK

3 EAST OF ND 18, Cass, ND

Built 1931 Load: 19.1 t ADT: 220

Showing 701-750 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.