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

STATE PARK ROAD

Fair

Over: BR. OF SHEYENNE RIVER

FORT RANSOM STATE PARK, Ransom, ND

Built 1995 Load: 23.0 t ADT: 24

COUNTY HIGHWAY

Fair

Over: GOOSE RIVER

6 SOUTH OF HATTON, Traill, ND

Built 1930 Load: 23.0 t ADT: 20

COUNTY HIGHWAY

Fair

Over: MAPLE RIVER

4 WEST 4 SOUTH OF ALICE, Cass, ND

Built 1969 Load: 23.1 t ADT: 75

COUNTY HIGHWAY

Fair

Over: CUT BANK CREEK

2 EAST 15 NORTH DEERING, McHenry, ND

Built 1940 Load: 23.1 t ADT: 25

CR82

Fair

Over: LITTLE HEART RIVER

2 NORTH 4 WEST ST ANTHONY, Morton, ND

Built 1990 Load: 23.1 t ADT: 20

ND HIGHWAY 17

Fair

Over: CREEK

5 EAST OF ND 20, Ramsey, ND

Built 1962 Load: 23.1 t ADT: 330

COUNTY HIGHWAY

Fair

Over: BEAVER CREEK

8 EAST OF SHARON, Steele, ND

Built 1979 Load: 23.1 t ADT: 15

COUNTY HIGHWAY

Fair

Over: SNOWFLAKE CREEK

1 EAST 3 SOUTH OF HANNAH, Cavalier, ND

Built 2001 Load: 23.2 t ADT: 12

COUNTY HIGHWAY

Fair

Over: CREEK

1 EAST 4 SOUTH OF CROSBY, Divide, ND

Built 1973 Load: 23.2 t ADT: 20

COUNTY TRAIL

Fair

Over: AUGER COULEE

3 EAST 2 SOUTH OF NECHE, Pembina, ND

Built 1950 Load: 23.2 t ADT: 5

COUNTY ROAD 0506

Fair

Over: SOURIS RIVER

2 EAST OF WESTHOPE, Bottineau, ND

Built 1980 Load: 23.3 t ADT: 390

COUNTY HIGHWAY

Fair

Over: DRAIN DITCH

6 EAST GILBY, Grand Forks, ND

Built 1967 Load: 23.3 t ADT: 20

COUNTY HIGHWAY

Fair

Over: SOURIS RIVER

11 WEST 6 SOUTH SHERWOOD, Renville, ND

Built 1928 Load: 23.3 t ADT: 35

COUNTY ROAD

Fair

Over: CREEK

4 E 11 S OF PARK RIVER, Walsh, ND

Built 1949 Load: 23.3 t ADT: 5

COUNTY ROAD

Fair

Over: CREEK

11 NORTH 5 WEST LANSFORD, Bottineau, ND

Built 1955 Load: 23.4 t ADT: 28

COUNTY HIGHWAY

Fair

Over: LITTLE MUDDY RIVER

2 EAST 5 NORTH WILLISTON, Williams, ND

Built 1954 Load: 23.4 t ADT: 3,495

COUNTY HIGHWAY

Fair

Over: MAPLE RIVER

2 WEST 3 NORTH BUFFALO, Cass, ND

Built 1982 Load: 23.5 t ADT: 20

COUNTY HIGHWAY

Fair

Over: DRAINAGE DITCH #18

1 W 2 NORTH GRAND FORKS, Grand Forks, ND

Built 1962 Load: 23.5 t ADT: 40

COUNTY HIGHWAY

Fair

Over: WINTERING RIVER

7 NORTH OF BUTTE, McHenry, ND

Built 1984 Load: 23.5 t ADT: 65

ND HIGHWAY 200

Fair

Over: KNIFE RIVER OVERFLOW

1 EAST OF HAZEN, Mercer, ND

Built 1952 Load: 23.5 t ADT: 2,300

COUNTY ROAD

Fair

Over: DRAIN DITCH

2 WEST 2 SOUTH PITTSBURG, Pembina, ND

Built 1950 Load: 23.5 t ADT: 24

COUNTY ROAD

Fair

Over: PARK RIVER

7 WEST OF GRAFTON, Walsh, ND

Built 1930 Load: 23.5 t ADT: 10

COUNTY HIGHWAY

Fair

Over: SHEYENNE RIVER

3 SOUTH 5 EAST MADDOCK, Benson, ND

Built 1963 Load: 23.6 t ADT: 75

SCENIC LOOP DRIVE

Fair

Over: PADDOCK CREEK

SCENIC LOOP DRIVE, MILEPO, Billings, ND

Built 1984 Load: 23.6 t ADT: 200

COUNTY HIGHWAY

Fair

Over: LITTLE MUDDY RIVER

2 NORTH 1 EAST WILLISTON, Williams, ND

Built 1984 Load: 23.6 t ADT: 340

COUNTY HIGHWAY

Fair

Over: RUSH RIVER

3 WEST 1 NORTH AMENIA, Cass, ND

Built 1967 Load: 23.7 t ADT: 20

COUNTY HIGHWAY

Fair

Over: NORTH FORK PARK RIVER

1 WEST OF GARDAR, Pembina, ND

Built 1981 Load: 23.7 t ADT: 10

COUNTY HIGHWAY

Fair

Over: RED RIVER OF THE NORTH

CITY OF ABERCROMBIE, Richland, ND

Built 1981 Load: 23.7 t ADT: 700

COUNTY HIGHWAY

Fair

Over: COUNTY DRAIN 39

5 SOUTH FAIRMOUNT, Richland, ND

Built 1972 Load: 23.7 t ADT: 20

COUNTY ROAD

Fair

Over: CREEK

4 EAST 8 NORTH OF ADAMS, Walsh, ND

Built 1950 Load: 23.7 t ADT: 5

COUNTY ROAD

Fair

Over: CUT BANK CREEK

3 WEST 2 SOUTH MAXBASS, Bottineau, ND

Built 1968 Load: 23.8 t ADT: 30

214th Ave NE

Fair

Over: CREEK

4 WEST 7 SOUTH OF WING, Burleigh, ND

Built 1986 Load: 23.8 t ADT: 40

COUNTY HIGHWAY

Fair

Over: MAPLE RIVER

8 NORTH 1 EAST TOWER CITY, Cass, ND

Built 1970 Load: 23.8 t ADT: 20

ND HIGHWAY 46

Fair

Over: COUNTY DRAIN

3 WEST OF I-29, Cass, ND

Built 1934 Load: 23.8 t ADT: 1,510

COUNTY HIGHWAY

Fair

Over: COULEE

4 WEST 7 SOUTH MANVEL, Grand Forks, ND

Built 1963 Load: 23.8 t ADT: 40

COUNTY ROAD

Fair

Over: CREEK

6 NORTH OF KARLSRUHE, McHenry, ND

Built 1975 Load: 23.8 t ADT: 40

71ST AVE SW/CR16

Fair

Over: CREEK

3E 16S GOLDEN VALLEY, Mercer, ND

Built 1978 Load: 23.8 t ADT: 10

COUNTY HIGHWAY

Fair

Over: COULEE

3 EAST 2 SOUTH OF BISBEE, Towner, ND

Built 1969 Load: 23.8 t ADT: 10

COUNTY HIGHWAY

Fair

Over: N ROCKFORD CANAL NR1-8

6 NORTH OF FESSENDEN, Wells, ND

Built 1983 Load: 23.8 t ADT: 235

COUNTY HIGHWAY

Fair

Over: CREEK

9 WEST 4 NORTH NORTHWOOD, Grand Forks, ND

Built 2004 Load: 23.9 t ADT: 30

COUNTY HIGHWAY

Fair

Over: WINTERING RIVER

3 EAST 1 NORTH OF BALFOUR, McHenry, ND

Built 1978 Load: 23.9 t ADT: 32

COUNTY ROAD

Fair

Over: MCCLUSKY CANAL R1-1

9 EAST COLEHARBOR, McLean, ND

Built 1973 Load: 23.9 t ADT: 25

COUNTY ROAD

Fair

Over: DRAIN DITCH

6 EAST 2 NORTH BATHGATE, Pembina, ND

Built 1962 Load: 23.9 t ADT: 24

COUNTY HIGHWAY

Fair

Over: COUNTY DRAIN NO. 3

2 SOUTH 3 WEST FAIRMONT, Richland, ND

Built 1938 Load: 23.9 t ADT: 37

US HIGHWAY 52

Fair

Over: KEMP COULEE

7 SOUTHEAST OF U.S. 2, Ward, ND

Built 1960 Load: 23.9 t ADT: 3,200

COUNTY HIGHWAY

Fair

Over: STONE CREEK

1 EAST 1 SOUTH OF KRAMER, Bottineau, ND

Built 1969 Load: 24.0 t ADT: 10

COUNTY HIGHWAY

Fair

Over: CREEK

2 W 3 N WHITE EARTH, Mountrail, ND

Built 1975 Load: 24.0 t ADT: 20

COUNTY HIGHWAY

Fair

Over: CREEK

3 SOUTH 7 EAST OF EMERADO, Grand Forks, ND

Built 1980 Load: 24.1 t ADT: 25

ND HIGHWAY

Fair

Over: CREEK

2 EAST OF NEW LEIPZIG, Grant, ND

Built 1950 Load: 24.1 t ADT: 950

COUNTY HIGHWAY

Fair

Over: SHEYENNE RIVER

2 SOUTH TOLNA, Nelson, ND

Built 1975 Load: 24.1 t ADT: 150

Showing 1,001-1,050 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.