State profile · Below national median SD

Minnesota bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Minnesota — drawn straight from the FHWA National Bridge Inventory.

11,969
Public bridges
55.0%
Good condition
3.6%
Poor condition
3.6%
Structurally deficient

Total Bridges

11,969

Public highway bridges in Minnesota

Good Condition

55.0%

6,580 bridges rated 7-9

5.0pp vs 50% benchmark

Poor Condition

3.6%

435 bridges rated 0-4

Structurally Deficient

3.6%

435 bridges flagged for repair priority

-3.4pp vs national avg 7.0%

Minnesota vs national bridge condition

Minnesota — Good condition share 55.0%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Minnesota — Structurally deficient share 12.1%
National avg

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

Minnesota vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Minnesota on the same metric.

51

Virginia

3.03% top marginal rate
Structure
Progressive
Burden @ $100K
$14,122

01

Alabama

3.35% top marginal rate
Structure
Progressive
Burden @ $100K
$13,471
Selected

27

Minnesota

3.63% top marginal rate
Structure
Progressive
Burden @ $100K
$11,969

09

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

Bridges Needing Most Attention in Minnesota

Six lowest-condition bridges in Minnesota, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Minnesota

CSAH 7

Fair

Over: Boy River

1.0 mi E of jct CSAH 54, Cass, MN

Built 2002 Load: 39.2 t ADT: 1,400

MN 371

Fair

Over: SWAMP CREEK

1.5 MI S OF WILKINSON, Cass, MN

Built 1993 Load: 39.2 t ADT: 3,655

T 36

Fair

Over: Co Ditch # 11 Br #2

0.4 mi E of jct TH277, Chippewa, MN

Built 2002 Load: 39.2 t ADT: 18

T 221

Fair

Over: SHAKOPEE CREEK (JD #18)

1.5 MI E OF JCT CSAH 5, Chippewa, MN

Built 2002 Load: 39.2 t ADT: 25

T 151

Fair

Over: DITCH

0.7 MI E OF JCT CSAH 7, Chippewa, MN

Built 2008 Load: 39.2 t ADT: 49

T 108

Fair

Over: SHAKOPEE CREEK

0.5 MI S OF CO LINE, Chippewa, MN

Built 2011 Load: 39.2 t ADT: 49

T 117

Fair

Over: CO DITCH #7

0.9 MI S OF JCT CSAH 12, Chippewa, MN

Built 2012 Load: 39.2 t ADT: 49

CSAH 4

Fair

Over: SHAKOPEE CREEK

1.9 MI N OF JCT TH 40, Chippewa, MN

Built 2012 Load: 39.2 t ADT: 377

T 42

Fair

Over: CO DITCH # 11

0.8 MI E OF JCT CSAH 5, Chippewa, MN

Built 1994 Load: 39.2 t ADT: 29

CSAH 3

Fair

Over: DITCH # 41

0.3 MI NE OF JCT CSAH 18, Clay, MN

Built 1992 Load: 39.2 t ADT: 1,476

T 246

Fair

Over: WOLVERTON CREEK

0.4 MI W OF JCT TH 75, Clay, MN

Built 1985 Load: 39.2 t ADT: 25

MN 1

Fair

Over: RED LAKE RIVER

4.9 MI S OF N CO LINE, Clearwater, MN

Built 1992 Load: 39.2 t ADT: 230

CSAH 14

Fair

Over: CLEARWATER RIVER

0.5 MI N OF JCT CSAH 4, Clearwater, MN

Built 1962 Load: 39.2 t ADT: 130

CSAH 12

Fair

Over: NATURE BOY BROOK

0.1 mi N of jct CSAH 7, Cook, MN

Built 2000 Load: 39.2 t ADT: 1,176

T 532

Fair

Over: DAGGETT BROOK

1.5 MI S OF JCT CSAH 2, Crow Wing, MN

Built 1995 Load: 39.2 t ADT: 34

T 245

Fair

Over: LITTLE PINE RIVER

2.6 MI W OF JCT TH 6, Crow Wing, MN

Built 1999 Load: 39.2 t ADT: 40

T 396

Fair

Over: LITTLE NOKASIPPI RIVER

1.5 MI E OF JCT TH 371, Crow Wing, MN

Built 2001 Load: 39.2 t ADT: 15

UNDETERMINED RD

Fair

Over: DAGGETT BROOK

0.2 MI S OF JCT CSAH 2, Crow Wing, MN

Built 2008 Load: 39.2 t ADT: 9

T 72

Fair

Over: VERMILLION RIVER

0.5 MI S OF 225TH ST, Dakota, MN

Built 1988 Load: 39.2 t ADT: 50

T 6

Fair

Over: MID FK CEDAR RIVER

1.1 MI E OF JCT TH 30, Dodge, MN

Built 1986 Load: 39.2 t ADT: 42

MN 57

Fair

Over: MANTORVILLE CRK

2.6 MI N OF JCT TH 14, Dodge, MN

Built 1996 Load: 39.2 t ADT: 5,462

T 338

Fair

Over: Stream

0.2 mi W of jct CSAH 5, Fillmore, MN

Built 2002 Load: 39.2 t ADT: 20

CSAH 29

Fair

Over: RICEFORD CREEK

0.2 MI N OF JCT TH 44, Fillmore, MN

Built 1985 Load: 39.2 t ADT: 160

T 216

Fair

Over: WATSON CREEK

1.6 MI N OF JCT TH 52, Fillmore, MN

Built 1993 Load: 39.2 t ADT: 24

T 419

Fair

Over: SPRING VALLEY CREEK

0.3 MI S OF JCT CSAH 8, Fillmore, MN

Built 2002 Load: 39.2 t ADT: 65

T 166

Fair

Over: WEISEL CREEK

0.8 MI N OF JCT CSAH 24, Fillmore, MN

Built 1995 Load: 39.2 t ADT: 30

T 18

Fair

Over: STREAM

0.6 MI S OF JCT TH 61, Goodhue, MN

Built 1986 Load: 39.2 t ADT: 60

MN 58

Fair

Over: STREAM

3.8 MI S OF JCT CSAH 9, Goodhue, MN

Built 1992 Load: 39.2 t ADT: 3,617

MN 58

Fair

Over: STREAM

1.2 MI S OF JCT CSAH 9, Goodhue, MN

Built 1992 Load: 39.2 t ADT: 3,617

MN 58

Fair

Over: STREAM

0.1 MI S OF JCT CSAH 9, Goodhue, MN

Built 1991 Load: 39.2 t ADT: 3,617

MN 58

Fair

Over: STREAM

1.6 MI N OF JCT TH 52, Goodhue, MN

Built 1991 Load: 39.2 t ADT: 3,617

MN 58

Fair

Over: STREAM

0.3 MI N OF JCT CSAH 9, Goodhue, MN

Built 1991 Load: 39.2 t ADT: 3,617

T 277

Fair

Over: STREAM

0.5 MI N OF JCT CSAH 4, Goodhue, MN

Built 1993 Load: 39.2 t ADT: 42

CSAH 125

Fair

Over: SPRING PK CHANNEL

0.2 MI S OF JCT CSAH 15, Hennepin, MN

Built 1984 Load: 39.2 t ADT: 5,247

M 245

Fair

Over: BASSETT CREEK

0.1 MI N OF GOLDEN VLY R, Hennepin, MN

Built 1993 Load: 39.2 t ADT: 150

T 18

Fair

Over: STANCHFIELD BROOK

0.2 MI W OF JCT CSAH 14, Isanti, MN

Built 1993 Load: 39.2 t ADT: 135

MN 6

Fair

Over: GROUSE CREEK

12.0 MI N OF DEER RIVER, Itasca, MN

Built 1995 Load: 39.2 t ADT: 1,100

MN 65

Fair

Over: EAST FORK PRAIRIE RIVER

10.0 MI N OF JCT TH 169, Itasca, MN

Built 1993 Load: 39.2 t ADT: 790

T 205

Fair

Over: LITTLE SIOUX RIVER

1.3 MI N OF JCT CSAH 34, Jackson, MN

Built 2002 Load: 39.2 t ADT: 25

MN 27

Fair

Over: HAY CREEK

9.0 MI E OF ISLE, Kanabec, MN

Built 2008 Load: 39.2 t ADT: 971

CSAH 2

Fair

Over: S FK CROW RIVER (JD # 1)

1.0 MI S OF JCT TH 7, Kandiyohi, MN

Built 2009 Load: 39.2 t ADT: 460

MSAS 129

Fair

Over: CO DITCH #1

0.3 MI E OF 30TH ST NW, Kandiyohi, MN

Built 1993 Load: 39.2 t ADT: 1,150

T 212

Fair

Over: STREAM

0.9 MI S OF JCT CSAH 4, Kittson, MN

Built 1986 Load: 39.2 t ADT: 10

T 83

Fair

Over: CO DITCH # 27

0.3 MI E OF JCT CSAH 13, Kittson, MN

Built 1995 Load: 39.2 t ADT: 16

T 60

Fair

Over: N BR TWO RIVERS

1.5 MI N OF JCT CSAH 4, Kittson, MN

Built 1996 Load: 39.2 t ADT: 12

CR 73

Fair

Over: CROSS RIVER

2.5 MI E OF JCT TH 65, Koochiching, MN

Built 1979 Load: 39.2 t ADT: 47

CR 76

Fair

Over: STREAM

1.6 MI E OF JCT TH 65, Koochiching, MN

Built 1981 Load: 39.2 t ADT: 42

T 83

Fair

Over: CO DITCH # 4

1.4 MI N OF JCT TH 40, Lac qui Parle, MN

Built 1994 Load: 39.2 t ADT: 24

CSAH 1

Fair

Over: BAUDETTE RIVER

0.6 MI N OF JCT CSAH 5, Lake of the Woods, MN

Built 1995 Load: 39.2 t ADT: 280

CR 155

Fair

Over: Forest Prairie Creek

0.3 MI SE OFJCT CSAH 28, Le Sueur, MN

Built 2000 Load: 39.2 t ADT: 41

Showing 4,201-4,250 of 11,969 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.