Total Bridges
4,242
Public highway bridges in North Dakota
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
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
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
PA
Pennsylvania
10.50% top marginal rate
ND
North Dakota
10.84% top marginal rate
LA
Louisiana
11.00% top marginal rate
PR
Puerto Rico
11.98% top marginal rate
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
PoorOver: CYPRESS CREEK
5 NORTH 1 EAST OF CALVIN, Cavalier, ND
Built 1950 Load: 0.9 t ADT: 2
COUNTY HIGHWAY
PoorOver: CREEK
2 WEST 6 SOUTH OF VANG, Cavalier, ND
Built 1953 Load: 0.9 t ADT: 2
COUNTY ROAD
PoorOver: JAMES RIVER
NORTH OF LAMOURE, LaMoure, ND
Built 1910 Load: 1.1 t ADT: 50
COUNTY HIGHWAY
PoorOver: ANTELOPE CREEK
2 SOUTH 3 WEST DWIGHT, Richland, ND
Built 1920 Load: 1.1 t ADT: 20
COUNTY HIGHWAY
PoorOver: LITTLE MUDDY RIVER
2 WEST 3 SOUTH ALAMO, Williams, ND
Built 1920 Load: 1.5 t ADT: 24
COUNTY HIGHWAY
PoorOver: LITTLE MUDDY RIVER
1 EAST 3 SOUTH ALAMO, Williams, ND
Built 1920 Load: 1.5 t ADT: 20
All Bridges in North Dakota
ACCESS RD AND BNSF
UnknownOver: 2ND ST NORTH OF MAIN
2ND ST N OF MAIN-FARGO, Cass, ND
Built 1970 ADT: 4,000
US 10/MAIN AVENUE
UnknownOver: US 81/10TH STREET
MAIN AVE & 10TH ST-FARGO, Cass, ND
Built 1938 ADT: 31,300
COUNTY HIGHWAY
UnknownOver: I-29/HICKSON INTERCHANGE
2 NORTH OF ND 46, Cass, ND
Built 2022 ADT: 4,996
COUNTY HIGHWAY
UnknownOver: I-29/ST BENEDICT INT
6 NORTH OF ND 46, Cass, ND
Built 1972 ADT: 8,500
COUNTY HIGHWAY
UnknownOver: I-29/HORACE INTERCHANGE
7 SOUTH OF I-94, Cass, ND
Built 1972 ADT: 9,400
64TH AVE SOUTH
UnknownOver: I-29/64TH AVE S SEP
4 SOUTH OF I-94, Cass, ND
Built 2022 ADT: 7,221
US HIGHWAY 81
UnknownOver: I-29/52ND AVE.STH INT.
3 SOUTH OF I-94, Cass, ND
Built 2008 ADT: 9,400
US HIGHWAY 81
UnknownOver: I-29/52ND AVE.SOUTH INT.
3 SOUTH OH I-94, Cass, ND
Built 2008 ADT: 12,300
INTERSTATE 29
UnknownOver: 40TH AVE SW SEP - FARGO
2 SOUTH OF I-94 INT, Cass, ND
Built 2000 ADT: 6,950
INTERSTATE 29
UnknownOver: 40TH AVE SW SEP. - FARGO
2 SOUTH OF I-94 INT, Cass, ND
Built 1999 ADT: 6,950
32ND AVE S FARGO
UnknownOver: I-29/32ND AVE INT
1 SOUTH OF I 94, Cass, ND
Built 1973 ADT: 13,900
RAMP TO I-94 EB
UnknownOver: I-29, I-94
I-29 & I-94 INTCHG-FARGO, Cass, ND
Built 1993 ADT: 5,000
INTERSTATE 29
UnknownOver: 17TH AVE SO. SEPARATION
.5 NORTH OF I-94 - FARGO, Cass, ND
Built 2002 ADT: 21,845
INTERSTATE 29
UnknownOver: 17TH AVE SO. SEPARATION
.5 NORTH OF I-94 - FARGO, Cass, ND
Built 2001 ADT: 21,845
INTERSTATE 29
UnknownOver: TEXAS TURN
.9 NORTH OF I-94 - FARGO, Cass, ND
Built 2002 ADT: 21,065
INTERSTATE 29
UnknownOver: TEXAS TURN
.9 NORTH OF I-94 - FARGO, Cass, ND
Built 2001 ADT: 21,065
INTERSTATE 29
UnknownOver: 13TH AVE S INTERCHANGE
1 NORTH OF I-94 - FARGO, Cass, ND
Built 2002 ADT: 21,065
INTERSTATE 29
UnknownOver: 13TH AVE S INTERCHANGE
1 NORTH OF I-94 - FARGO, Cass, ND
Built 2001 ADT: 21,065
INTERSTATE 29
UnknownOver: 9TH AVE SOUTH SEPARATION
1.4 NORTH OF I-94 - FARGO, Cass, ND
Built 2002 ADT: 21,065
INTERSTATE 29
UnknownOver: 9TH AVE SOUTH SEPARATION
1.4 NORTH OF I-94 - FARGO, Cass, ND
Built 2001 ADT: 21,065
US HIGHWAY 10
UnknownOver: US 10 & I-29 INTERCHANGE
FARGO, Cass, ND
Built 2004 ADT: 38,855
US HIGHWAY 10
UnknownOver: US 10 & I-29 INTERCHANGE
FARGO, Cass, ND
Built 2004 ADT: 38,855
7TH AVE. NORTH
UnknownOver: I-29/7TH AVE N SEP
1 NORTH OF US 10, Cass, ND
Built 1966 ADT: 35,900
ND 294-12TH AVE N
UnknownOver: I-29 INTERCHANGE
JCT I-29-12TH AVE N FARGO, Cass, ND
Built 1965 ADT: 21,600
CITY ST.19TH AVE.
UnknownOver: I-29
2 NORTH OF US 10, Cass, ND
Built 2006 ADT: 21,600
CASS COUNTY 20
UnknownOver: I-29/NORTH FARGO INT
3 SOUTH OF HARWOOD, Cass, ND
Built 1966 ADT: 10,200
CASS COUNTY NO 22
UnknownOver: I-29/HARWOOD INT
7 NORTH OF US 10, Cass, ND
Built 1970 ADT: 9,700
COUNTY HIGHWAY
UnknownOver: I-29/AMENIA SEPARATION
2 NORTH HARWOOD INTERCHG, Cass, ND
Built 1970 ADT: 9,700
COUNTY HIGHWAY
UnknownOver: I-29/ARGUSVILLE INTERCHG
ARGUSVILLE CITY LIMITS, Cass, ND
Built 1970 ADT: 9,000
21ST ST SE
UnknownOver: I-29/ARTHUR SEPARATION
4 NORTH OF ARGUSVILLE, Cass, ND
Built 1970 ADT: 9,000
COUNTY HIGHWAY
UnknownOver: I-29/GARDNER INTERCHANGE
GARDNER CITY LIMITS, Cass, ND
Built 1970 ADT: 8,600
COUNTY HIGHWAY
UnknownOver: I-29/HUNTER SEPARATION
11 SOUTH OF ND 200, Cass, ND
Built 1970 ADT: 8,600
COUNTY HIGHWAY
UnknownOver: I-94/HILL INTERCHANGE
4 WEST OF ND 38, Cass, ND
Built 1959 ADT: 8,400
COUNTY HIGHWAY
UnknownOver: I-94/MAPLE RIVER SEP
2 WEST OF ND 38, Cass, ND
Built 1960 ADT: 8,400
ND HIGHWAY 38
UnknownOver: I-94/BUFFALO-ALICE INT
JCT. ND 38, Cass, ND
Built 1960 ADT: 9,200
COUNTY HIGHWAY
UnknownOver: I-94/AYR INTERCHANGE
3 EAST OF ND 38, Cass, ND
Built 1960 ADT: 9,200
COUNTY HIGHWAY
UnknownOver: I-94/EMBDEN INTERCHANGE
6 EAST OF ND 38, Cass, ND
Built 2006 ADT: 4,875
COUNTY HIGHWAY
UnknownOver: I-94/ABSARAKA INT
8 WEST OF ND 18, Cass, ND
Built 2008 ADT: 9,300
COUNTY HIGHWAY
UnknownOver: I94 WHEATLAND INTERCHG
6 WEST OF N.D.18, Cass, ND
Built 2005 ADT: 4,250
COUNTY HIGHWAY
UnknownOver: I-94/LYNCHBURG INT
3 WEST OF ND 18, Cass, ND
Built 1960 ADT: 9,500
ND HIGHWAY 18
UnknownOver: I-94/CASSELTON INT
JUNCTION OF ND 18, Cass, ND
Built 1960 ADT: 11,700
COUNTY HIGHWAY
UnknownOver: I-94/DURBIN SEPARATION
3 M EAST OF 18, Cass, ND
Built 1959 ADT: 11,700
COUNTY HIGHWAY
UnknownOver: I-94/MAPLETON INTERCHNGE
8 EAST OF ND 18, Cass, ND
Built 2003 ADT: 12,170
COUNTY HIGHWAY
UnknownOver: I-94/KINDRED INTERCHANGE
10 EAST OF ND 18, Cass, ND
Built 2002 ADT: 11,875
ND HWY 10
UnknownOver: I-94/RAYMOND INTERCHANGE
7 WEST OF I-29, Cass, ND
Built 2003 ADT: 13,705
US HIGHWAY 10
UnknownOver: I-94/W.FARGO INT.
5 WEST OF I-29, Cass, ND
Built 1960 ADT: 10,500
INTERSTATE 94
UnknownOver: HORACE ROAD INTERCHANGE
3 WEST OF I-29, Cass, ND
Built 2018 ADT: 5,250
INTERSTATE 94
UnknownOver: HORACE ROAD INTERCHANGE
3 WEST OF I-29, Cass, ND
Built 2019 ADT: 2,625
9TH ST.WEST FARGO
UnknownOver: I-94/9TH ST.INTERCHANGE
2 WEST OF I-29, Cass, ND
Built 2009 ADT: 28,300
45TH STREET FARGO
UnknownOver: I-94/45TH STREET INTCHG.
45 TH ST AND I-94 - FARGO, Cass, ND
Built 1991 ADT: 676,300
Showing 51-100 of 4,242 bridges
Related
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.