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

2nd AVENUE NW

Poor

Over: HEART RIVER

2ND AVE & 2ND ST NW-BELFI, Stark, ND

Built 1930 Load: 11.7 t ADT: 225

COUNTY HIGHWAY

Poor

Over: CREEK

7 EAST 2 NORTH JOHNSTOWN, Grand Forks, ND

Built 1950 Load: 11.8 t ADT: 20

COUNTY ROAD

Poor

Over: TURTLE RIVER

1 EAST MEKINOCK, Grand Forks, ND

Built 1964 Load: 12.1 t ADT: 100

COUNTY HIGHWAY

Poor

Over: CREEK

1 SOUTH SAWYER, Ward, ND

Built 1955 Load: 12.1 t ADT: 25

COUNTY HIGHWAY

Poor

Over: MAPLE RIVER

3 WEST 1 SOUTH OF ALICE, Cass, ND

Built 1950 Load: 12.3 t ADT: 20

COUNTY HIGHWAY

Poor

Over: WINTERING RIVER

2 WEST OF BALFOUR, McHenry, ND

Built 1948 Load: 12.3 t ADT: 25

COUNTY HIGHWAY

Poor

Over: NORTH BRANCH GOOSE RIVER

6 NORTH OF PORTLAND, Traill, ND

Built 1950 Load: 12.6 t ADT: 10

COUNTY ROAD

Poor

Over: BOUNDARY CREEK

7 NORTH 3 WEST OF KRAMER, Bottineau, ND

Built 1970 Load: 12.7 t ADT: 25

40TH AVE

Poor

Over: CREEK

11 NORTH 1 WEST FLASHER, Morton, ND

Built 1942 Load: 12.7 t ADT: 30

COUNTY HIGHWAY

Poor

Over: LITTLE MUDDY RIVER

9 SOUTH CORINTH, Williams, ND

Built 1935 Load: 12.7 t ADT: 24

COUNTY HIGHWAY

Poor

Over: GOOSE RIVER

5 EAST 2 SOUTH MAYVILLE, Traill, ND

Built 1903 Load: 12.9 t ADT: 40

COUNTY HIGHWAY

Poor

Over: PARK RIVER

1 WEST 6 SOUTH OSNABROCK, Cavalier, ND

Built 1982 Load: 13.0 t ADT: 24

COUNTY HIGHWAY

Poor

Over: WILD RICE RIVER

3 EAST 2 NORTH COLFAX, Richland, ND

Built 1956 Load: 13.0 t ADT: 20

107TH AVE SW

Poor

Over: THIRTY MILE CREEK

10 E 5 N OF NEW ENGLAND, Hettinger, ND

Built 1940 Load: 13.1 t ADT: 15

53RD ST

Poor

Over: LITTLE HEART RIVER

2 NORTH 2 WEST ST ANTHONY, Morton, ND

Built 1960 Load: 13.1 t ADT: 10

COUNTY ROAD

Poor

Over: DRAIN DITCH

3 WEST 2 NORTH OF MINTO, Walsh, ND

Built 1961 Load: 13.1 t ADT: 10

COUNTY ROAD

Poor

Over: CREEK

3 EAST 1 NORTH HAMILTON, Pembina, ND

Built 1977 Load: 13.2 t ADT: 24

COUNTY HIGHWAY

Poor

Over: ELM RIVER

3 NORTH 6 EAST COLGATE, Steele, ND

Built 1937 Load: 13.2 t ADT: 24

169th Ave. SW

Poor

Over: Sevenmile Creek

17 SOUTH 3 EAST MARMARTH, Bowman, ND

Built 1970 Load: 13.3 t ADT: 25

COUNTY HIGHWAY

Poor

Over: COUNTY DRAIN

1 EAST 4 NORTH WALCOTT, Richland, ND

Built 1978 Load: 13.3 t ADT: 10

COUNTY ROAD

Poor

Over: CREEK

5 WEST 10 SOUTH GRAFTON, Walsh, ND

Built 1927 Load: 13.3 t ADT: 5

COUNTY ROAD

Poor

Over: DES LACS RIVER

CITY OF DONNYBROOK, Ward, ND

Built 1967 Load: 13.3 t ADT: 80

COUNTY HIGHWAY

Poor

Over: CREEK

3 SOUTH 1 EAST NORTHGATE, Burke, ND

Built 1964 Load: 13.5 t ADT: 20

1st St NE

Poor

Over: FLAT CREEK

SOUTH EDGE OF HAYNES, Adams, ND

Built 1936 Load: 13.7 t ADT: 10

SECTION LINE ROAD

Poor

Over: CREEK BED

2 EAST 5 SOUTH BOTTINEAU, Bottineau, ND

Built 1950 Load: 13.7 t ADT: 10

Main Avenue

Poor

Over: LITTLE KNIFE RIVER

1 EAST OF HEBRON, Morton, ND

Built 1955 Load: 13.7 t ADT: 130

COUNTY ROAD

Poor

Over: MOUSE RIVER

3 NORTH OF TOWNER, McHenry, ND

Built 1967 Load: 13.8 t ADT: 5

COUNTY HIGHWAY

Poor

Over: SOUTH BRANCH GOOSE RIVER

8 SOUTH OF HATTON, Traill, ND

Built 1986 Load: 13.9 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

2 WEST OF FORDVILLE, Walsh, ND

Built 1940 Load: 13.9 t ADT: 300

COUNTY HIGHWAY

Poor

Over: NORTH BRANCH ELM RIVER

2 EAST 6 SOUTH HILLSBORO, Traill, ND

Built 1950 Load: 14.1 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

1 EAST 14 SOUTH GRAFTON, Walsh, ND

Built 1935 Load: 14.1 t ADT: 400

COUNTY HIGHWAY

Poor

Over: BEAVER CREEK

1 WEST 8 SOUTH NAPOLEON, Logan, ND

Built 1940 Load: 14.3 t ADT: 5

25TH AVE

Poor

Over: OTTER CREEK

7 NORTH 13 EAST OF JUDSON, Morton, ND

Built 1945 Load: 14.3 t ADT: 15

COUNTY ROAD

Poor

Over: WILLOW CREEK

3 WEST 2 NORTH ST THOMAS, Pembina, ND

Built 1979 Load: 14.3 t ADT: 24

COUNTY ROAD

Poor

Over: DITCH

5 EAST 6 NORTH OF GRAFTON, Walsh, ND

Built 1977 Load: 14.4 t ADT: 10

COUNTY HWY

Poor

Over: BIG COULEE

3 SOUTH OF US 2, Benson, ND

Built 1955 Load: 14.5 t ADT: 200

COUNTY HIGHWAY

Poor

Over: RED RIVER OF THE NORTH

9 EAST 1 NORTH BUXTON, Traill, ND

Built 1957 Load: 14.5 t ADT: 340

49th St SW

Poor

Over: PETERS CREEK

24 NORTH 12 WEST OF ELGIN, Grant, ND

Built 1932 Load: 14.7 t ADT: 20

COUNTY HIGHWAY

Poor

Over: NELSON DRAIN NO. 28

6 EAST 5 SOUTH HILLSBORO, Traill, ND

Built 1926 Load: 14.7 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

4 NORTH 2 WEST OF OVERLY, Bottineau, ND

Built 1930 Load: 15.3 t ADT: 25

COUNTY ROAD

Poor

Over: N BRANCH TURTLE RIVER

2 WEST 3 SOUTH ORR, Grand Forks, ND

Built 1959 Load: 15.3 t ADT: 70

COUNTY HIGHWAY

Poor

Over: COULEE

4 WEST 1 SOUTH HANSBORO, Towner, ND

Built 1939 Load: 15.5 t ADT: 1

COUNTY ROAD

Poor

Over: CUT BANK CREEK

10 WEST 2 NORTH UPHAM, McHenry, ND

Built 1937 Load: 15.6 t ADT: 5

COUNTY HIGHWAY

Poor

Over: MILLER DRAIN NO. 29

5 EAST 4 SOUTH MAYVILLE, Traill, ND

Built 1920 Load: 15.8 t ADT: 20

COUNTY HIGHWAY

Poor

Over: CREEK

2 SOUTH 2 EAST NORTHGATE, Burke, ND

Built 1950 Load: 16.0 t ADT: 20

95th Avenue SW

Poor

Over: CREEK

11 NORTH 3 WEST OF MOTT, Hettinger, ND

Built 1960 Load: 16.0 t ADT: 20

COUNTY HIGHWAY

Poor

Over: CREEK

7 SOUTH 2 EAST CANDO, Towner, ND

Built 1953 Load: 16.2 t ADT: 20

116th Ave SW

Poor

Over: CHANTA PETA CREEK

14 S. 1 E. NEW ENGLAND, Hettinger, ND

Built 1915 Load: 16.3 t ADT: 10

COUNTY HIGHWAY

Poor

Over: INTERMITTENT STREAM

1 EAST OF BLANCHARD, Traill, ND

Built 1920 Load: 16.3 t ADT: 20

COUNTY ROAD

Poor

Over: CREEK

2 EAST 9 SOUTH PARK RIVER, Walsh, ND

Built 1950 Load: 16.4 t ADT: 26

Showing 4,001-4,050 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.