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

COUNTY HIGHWAY

Poor

Over: COUNTY DRAIN

2 WEST 3 SOUTH FAIRMOUNT, Richland, ND

Built 1924 ADT: 20

COUNTY HIGHWAY

Poor

Over: CREEK

6 NORTH 7 WEST ROCKLAKE, Towner, ND

Built 1945 ADT: 5

COUNTY HIGHWAY

Poor

Over: CREEK

8 NORTH 2 EAST OF CANDO, Towner, ND

Built 1938 ADT: 5

COUNTY HIGHWAY

Poor

Over: NORTH BRANCH GOOSE RIVER

1 EAST 2 NORTH OF HATTON, Traill, ND

Built 1930 ADT: 20

COUNTY HIGHWAY

Poor

Over: ELM RIVER

1 SOUTH 4 EAST CLIFFORD, Traill, ND

Built 1965 ADT: 5

COUNTY HIGHWAY

Poor

Over: CREEK

5 EAST 2 NORTH MAYVILLE, Traill, ND

Built 1930 ADT: 10

COUNTY HIGHWAY

Poor

Over: RED RIVER OF THE NORTH

8 EAST 7 NORTH HILLSBORO, Traill, ND

Built 1939 ADT: 270

COUNTY ROAD

Poor

Over: DES LACS RIVER

3 EAST 2 SOUTH CARPIO, Ward, ND

Built 1965 ADT: 25

COUNTY HIGHWAY

Poor

Over: SHEYENNE RIVER

3 SOUTH 1 WEST OF HARVEY, Wells, ND

Built 1955 ADT: 10

COUNTY HIGHWAY

Poor

Over: E FORK LITTLE MUDDY CRK

13 SOUTH ALAMO, Williams, ND

Built 1921 ADT: 24

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

COUNTY TRAIL

Poor

Over: FOREST RIVER

14 SOUTH OF PARK RIVER, Walsh, ND

Built 1923 Load: 1.6 t ADT: 26

COUNTY ROAD

Poor

Over: FOREST RIVER

1 NORTH OF FOREST RIVER, Walsh, ND

Built 1912 Load: 1.7 t ADT: 10

COUNTY RIVER

Poor

Over: SOURIS RIVER

1 EAST 6 NORTH VOLTAIRE, McHenry, ND

Built 1902 Load: 1.9 t ADT: 25

COUNTY HIGHWAY

Poor

Over: CREEK

3 EAST 2 SOUTH THOMPSON, Grand Forks, ND

Built 1920 Load: 2.0 t ADT: 24

COUNTY HIGHWAY

Poor

Over: DRAIN DITCH

6 EAST 4 SOUTH OF ST THOM, Pembina, ND

Built 1980 Load: 2.0 t ADT: 10

COUNTY HIGHWAY

Poor

Over: WILD RICE RIVER

2WEST 2SOUTH ABERCROMBIE, Richland, ND

Built 1926 Load: 2.1 t ADT: 20

COUNTY HIGHWAY

Poor

Over: WILD RICE RIVER

3 EAST 2 NORTH GREAT BEND, Richland, ND

Built 1923 Load: 2.1 t ADT: 20

45th Ave

Poor

Over: SWEET BRIAR CREEK

7 NORTH OF NEW SALEM, Morton, ND

Built 1922 Load: 2.2 t ADT: 20

COUNTY HIGHWAY

Poor

Over: COUNTY DRAIN

3 WEST 3 SOUTH FAIRMOUNT, Richland, ND

Built 1938 Load: 2.2 t ADT: 20

COUNTY TRAIL

Poor

Over: FOREST RIVER

2 EAST 1 NORTH OF LANKIN, Walsh, ND

Built 1935 Load: 2.2 t ADT: 5

COUNTY ROAD

Poor

Over: DRAIN DITCH

3 EAST 4 NORTH OF GRAFTON, Walsh, ND

Built 1930 Load: 2.2 t ADT: 10

COUNTY ROAD

Poor

Over: WATERWAY LAKE

4 WEST 4 NORTH OF MAXBASS, Bottineau, ND

Built 1938 Load: 2.3 t ADT: 25

COUNTY ROAD

Poor

Over: FOREST RIVER

1 NORTH 3 EAST OF LANKIN, Walsh, ND

Built 1948 Load: 2.3 t ADT: 5

COUNTY ROAD

Poor

Over: PARK RIVER

1 EAST OF PARK RIVER, Walsh, ND

Built 1923 Load: 2.3 t ADT: 18

COUNTY HIGHWAY

Poor

Over: SHEYENNE RIVER

1 EAST 5 SOUTH MADDOCK, Benson, ND

Built 1912 Load: 2.4 t ADT: 15

COUNTY ROAD

Poor

Over: WILLOW CREEK

10 EAST 1 SOUTH OF UPHAM, McHenry, ND

Built 1937 Load: 2.4 t ADT: 5

COUNTY ROAD

Poor

Over: WILD RICE CREEK

1 SO. 2 WEST OF HAVANA, Sargent, ND

Built 1935 Load: 2.4 t ADT: 28

COUNTY ROAD

Poor

Over: FOREST RIVER

4 EAST 3 SOUTH OF ADAMS, Walsh, ND

Built 1938 Load: 2.4 t ADT: 24

Judson St.

Poor

Over: CREEK

AT JUDSON, Morton, ND

Built 1940 Load: 2.5 t ADT: 10

GRAVEL ROAD

Poor

Over: JAMES RIVER

1 SOUTH OF YPSILANTI, Stutsman, ND

Built 1915 Load: 2.6 t ADT: 25

SECTION LINE TRAIL

Poor

Over: BOUNDRY CREEK

5 NORTH 5 EAST OF SOURIS, Bottineau, ND

Built 1928 Load: 2.7 t ADT: 5

COUNTY HIGHWAY

Poor

Over: SHEYENNE RIVER

8 WEST 2 NORTH WALCOTT, Richland, ND

Built 1918 Load: 2.7 t ADT: 20

COUNTY HIGHWAY

Poor

Over: DRAINAGE DITCH

2 EAST 4 SOUTH SONORA, Richland, ND

Built 1928 Load: 2.7 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

1 SOUTH OF ADAMS, Walsh, ND

Built 1925 Load: 2.7 t ADT: 10

COUNTY HIGHWAY

Poor

Over: JAMES RIVER

3 NORTH 2 EAST FESSENDEN, Wells, ND

Built 1950 Load: 2.7 t ADT: 10

COUNTY HIGHWAY

Poor

Over: CREEK

1 WEST 2 SOUTH JOHNSTOWN, Grand Forks, ND

Built 1959 Load: 2.8 t ADT: 30

COUNTY HIGHWAY

Poor

Over: GOOSE RIVER

6 EAST 3 SOUTH MAYVILLE, Traill, ND

Built 1912 Load: 2.8 t ADT: 20

COUNTY HIGHWAY

Poor

Over: NORTH BRANCH PARK RIVER

1 NORTH OF MILTON, Cavalier, ND

Built 1938 Load: 2.9 t ADT: 24

COUNTY HIGHWAY

Poor

Over: WILD RICE RIVER

2 WEST OF MANTADOR, Richland, ND

Built 1912 Load: 3.0 t ADT: 20

COUNTY ROAD

Poor

Over: FOREST RIVER

9 SOUTH OF GRAFTON, Walsh, ND

Built 1918 Load: 3.0 t ADT: 18

COUNTY HIGHWAY

Poor

Over: CREEK

5 SOUTH OF OLGA, Cavalier, ND

Built 1936 Load: 3.1 t ADT: 5

10th Ave NW

Poor

Over: DUCK CREEK

5 NORTH 1 EAST OF BUCYRUS, Adams, ND

Built 1935 Load: 3.3 t ADT: 10

COUNTY TRAIL

Poor

Over: LITTLE DEEP CREEK

7 WEST 1 SOUTH OF UPHAM, McHenry, ND

Built 1934 Load: 3.3 t ADT: 5

COUNTY HIGHWAY

Poor

Over: WINTERING RIVER

2 EAST 3 NORTH BALFOUR, McHenry, ND

Built 1939 Load: 3.3 t ADT: 25

Showing 3,801-3,850 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.