State profile · Above median Poor share

North Dakota bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in North Dakota, based on the FHWA National Bridge Inventory.

4,242
Public bridges
39.7%
Good condition
10.8%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

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 - Poor-condition share 36.1%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

North Dakota42.6%45.7%11.6%GoodFairPoor
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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below North Dakota on the same metric.

AK

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909

PA

Pennsylvania

10.50% top marginal rate
Structure
Progressive
Burden @ $100K
$14,867
Selected

ND

North Dakota

10.84% top marginal rate
Structure
Progressive
Burden @ $100K
$4,242

LA

Louisiana

11.00% top marginal rate
Structure
Progressive
Burden @ $100K
$12,699

PR

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

TRAIL

Poor

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

Poor

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

Poor

Over: LITTLE MUDDY RIVER

2 WEST 3 SOUTH ALAMO, Williams, ND

Built 1920 Load: 1.5 t ADT: 24

COUNTY HIGHWAY

Poor

Over: LITTLE MUDDY RIVER

1 EAST 3 SOUTH ALAMO, Williams, ND

Built 1920 Load: 1.5 t ADT: 20

All Bridges in North Dakota

INTERSTATE 29

Fair

Over: BNSF SEPARATION OVERHEAD

10 NORTH OF ND 13, Richland, ND

Built 1975 Load: 33.7 t ADT: 2,600

COUNTY HIGHWAY

Fair

Over: CREEK

7 SOUTH 7 EAST OF CANDO, Towner, ND

Built 1968 Load: 33.7 t ADT: 20

COUNTY HIGHWAY

Fair

Over: SNOWFLAKE CREEK

1 WEST 4 NORTH OF WALES, Cavalier, ND

Built 1997 Load: 33.8 t ADT: 24

COUNTY HIGHWAY

Fair

Over: FRESH WATER COULEE

7 WEST 2 NORTH GRAND FORK, Grand Forks, ND

Built 1947 Load: 33.9 t ADT: 35

COUNTY HIGHWAY

Fair

Over: TIMBER CREEK

11 NORTH 1 WEST RAWSON, McKenzie, ND

Built 2015 Load: 33.9 t ADT: 50

US HIGHWAY 2

Fair

Over: COW CREEK

3 SOUTH OF US 85 NORTH, Williams, ND

Built 1955 Load: 33.9 t ADT: 1,365

240th Ave NE

Fair

Over: CREEK

7 EAST 6 SOUTH OF WILTON, Burleigh, ND

Built 1980 Load: 34.0 t ADT: 20

396TH AVE NE

Fair

Over: CREEK

6 NORTH OF REGAN, Burleigh, ND

Built 1980 Load: 34.0 t ADT: 25

ND HIGHWAY 11

Fair

Over: JAMES RIVER

1 WEST OF LUDDEN, Dickey, ND

Built 1932 Load: 34.0 t ADT: 490

US HIGHWAY 52

Fair

Over: LARSON COULEE

4 SOUTHEAST OF US 2 & 83, Ward, ND

Built 1997 Load: 34.0 t ADT: 5,850

162nd Ave NE

Fair

Over: CREEK

3 WEST 11 NORTH MCKENZIE, Burleigh, ND

Built 1960 Load: 34.1 t ADT: 25

IRRSR ND HIWAY 49

Fair

Over: CEDAR CREEK

7 NORTH ND-SD BORDER, Grant, ND

Built 1972 Load: 34.1 t ADT: 240

COUNTY ROAD

Fair

Over: SOURIS RIVER

3 EAST AND 3 NORTH VELVA, McHenry, ND

Built 1989 Load: 34.1 t ADT: 30

COUNTY ROAD

Fair

Over: DITCH

3 WEST 3 SOUTH OF GRAFTON, Walsh, ND

Built 1950 Load: 34.1 t ADT: 24

COUNTY ROAD

Fair

Over: FOREST RIVER

2 EAST 3 NORTH INKSTER, Grand Forks, ND

Built 1966 Load: 34.2 t ADT: 30

COUNTY ROAD

Fair

Over: TURTLE RIVER

2 EAST 8 SOUTH GILBY, Grand Forks, ND

Built 1961 Load: 34.2 t ADT: 30

COUNTY ROAD

Fair

Over: TURTLE RIVER

2 EAST 7 SOUTH GILBY, Grand Forks, ND

Built 1961 Load: 34.2 t ADT: 30

COUNTY HIGHWAY

Fair

Over: COULEE

CITY OF MEKINOCK, Grand Forks, ND

Built 1965 Load: 34.2 t ADT: 875

COUNTY HIGHWAY

Fair

Over: COULEE

SOUTH OF MEKINOCK, Grand Forks, ND

Built 1965 Load: 34.2 t ADT: 875

ND HIGHWAY 200

Fair

Over: B N R R SEP OH

2 NORTH OF ND 200A, Mercer, ND

Built 1950 Load: 34.2 t ADT: 790

ND HIGHWAY 200

Fair

Over: MISSOURI RIVER

1 WEST OF US 83, Oliver, ND

Built 1971 Load: 34.2 t ADT: 1,430

INTERSTATE 94

Fair

Over: MCKENZIE SLOUGH

8 WEST OF 83 SOUTH, Burleigh, ND

Built 1965 Load: 34.3 t ADT: 7,300

CR140

Fair

Over: OTTER CREEK

6 WEST 6 NORTH OF MANDAN, Morton, ND

Built 1976 Load: 34.3 t ADT: 50

ND HIGHWAY 5

Fair

Over: FORK OF TONGUE RIVER

3 EAST ND 32 SOUTH, Pembina, ND

Built 1953 Load: 34.3 t ADT: 810

COUNTY HIGHWAY

Fair

Over: CREEK

4 EAST 2 SOUTH HANKINSON, Richland, ND

Built 1919 Load: 34.3 t ADT: 20

COUNTY HIGHWAY

Fair

Over: CREEK

5 EAST 2 SOUTH HANKINSON, Richland, ND

Built 1975 Load: 34.3 t ADT: 20

ND HIGHWAY 18

Fair

Over: SHEYENNE RIVER

5 SOUTH OF ND 46, Richland, ND

Built 1960 Load: 34.3 t ADT: 630

ND HIGHWAY 66

Fair

Over: BIG COULEE

5 WEST OF US 281, Towner, ND

Built 2001 Load: 34.3 t ADT: 340

COUNTY ROAD

Fair

Over: PARK RIVER

8 NORTH 2 EAST OF ADAMS, Walsh, ND

Built 1994 Load: 34.4 t ADT: 10

COUNTY HIGHWAY

Fair

Over: NORTH MARAIS RIVER

9 EAST 12 SOUTH GRAFTON, Walsh, ND

Built 1977 Load: 34.4 t ADT: 25

COUNTY HIGHWAY

Fair

Over: MOBREY CREEK

5 WEST OF MAIDA, Cavalier, ND

Built 1989 Load: 34.5 t ADT: 45

S. West St. (CR11)

Fair

Over: CREEK

IN SENTINEL BUTTE, Golden Valley, ND

Built 1959 Load: 34.5 t ADT: 150

COUNTY ROAD

Fair

Over: WILLOW CREEK

1 EAST 2 SOUTH OF HENSEL, Pembina, ND

Built 1956 Load: 34.5 t ADT: 24

IRR BIA RTE 6

Fair

Over: PORCUPINE CREEK

6.8 KM WEST OF ND HWY 6, Sioux, ND

Built 1969 Load: 34.5 t ADT: 173

145th St NE

Fair

Over: PAINTED WOODS CREEK

1 WEST 7 NORTH OF REGAN, Burleigh, ND

Built 1961 Load: 34.6 t ADT: 55

COUNTY HIGHWAY

Fair

Over: MAPLE RIVER

3 NORTH 2 EAST TOWER CITY, Cass, ND

Built 1970 Load: 34.6 t ADT: 20

19th St SW

Fair

Over: BRUSH CREEK

16 WEST 2 NORTH HANNOVER, Oliver, ND

Built 1960 Load: 34.6 t ADT: 25

105TH AVE SW

Fair

Over: GREEN RIVER

5 EAST 3 NORTH DICKINSON, Stark, ND

Built 1954 Load: 34.6 t ADT: 185

COUNTY HIGHWAY

Fair

Over: FAIRDALE DRAIN

1 SOUTH OF FAIRDALE, Walsh, ND

Built 1977 Load: 34.6 t ADT: 59

COUNTY HIGHWAY

Fair

Over: CREEK

3 NORTH OF WHEATLAND, Cass, ND

Built 1955 Load: 34.7 t ADT: 10

COUNTY HIGHWAY

Fair

Over: MULBERRY CREEK

4 EAST 3 NORTH OF WALES, Cavalier, ND

Built 1999 Load: 34.7 t ADT: 96

COUNTY HIGHWAY

Fair

Over: LITTLE PEMBINA RIVER

1 EAST 5 NORTH OF OLGA, Cavalier, ND

Built 1983 Load: 34.7 t ADT: 70

COUNTY ROAD

Fair

Over: CREEK

1 EAST 1 NORTH OF MCCANNA, Grand Forks, ND

Built 2005 Load: 34.7 t ADT: 70

57th Street SW

Fair

Over: BEAVER CREEK

14 NORTH 1 EAST OF MOTT, Hettinger, ND

Built 1960 Load: 34.7 t ADT: 65

COUNTY HIGHWAY

Fair

Over: HAY COULEE CREEK

1 NORTH OF GRANVILLE, McHenry, ND

Built 1968 Load: 34.7 t ADT: 439

County Road 88

Fair

Over: DRAINAGE AREA

6 EAST 5 NORTH OF HEBRON, Morton, ND

Built 1971 Load: 34.7 t ADT: 85

COUNTY ROAD

Fair

Over: BOUNDARY CREEK

2 NORTH OF SOURIS, Bottineau, ND

Built 1977 Load: 34.8 t ADT: 75

COUNTY ROAD 0549

Fair

Over: CREEK BED

7 NORTH 3 EAST BOTTINEAU, Bottineau, ND

Built 1975 Load: 34.8 t ADT: 477

COUNTY HIGHWAY

Fair

Over: SO. BRANCH FOREST RIVER

7 WEST 1 NORTH INKSTER, Grand Forks, ND

Built 1968 Load: 34.8 t ADT: 50

COUNTY ROAD

Fair

Over: COULEE

6 WEST 5 SOUTH INKSTER, Grand Forks, ND

Built 1989 Load: 34.8 t ADT: 25

Showing 1,551-1,600 of 4,242 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.