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

T 10

Good

Over: MOUND CREEK

0.4 MI N OF JCT CSAH 20, Rock, MN

Built 2003 Load: 39.2 t ADT: 211

T 65

Good

Over: STREAM

0.8 MI W OF JCT CSAH 9, Rock, MN

Built 2003 Load: 39.2 t ADT: 55

T 77

Good

Over: Stream

0.6 mi W of jct CR 65, Rock, MN

Built 2002 Load: 39.2 t ADT: 21

T 18

Good

Over: Mud Creek

0.7 mi W of jct CR53, Rock, MN

Built 2002 Load: 39.2 t ADT: 41

T 68

Good

Over: Stream

0.1 mi W of jct CR 59, Rock, MN

Built 2002 Load: 39.2 t ADT: 62

T 52

Good

Over: Stream

0.1 mi W of jct CR 59, Rock, MN

Built 2002 Load: 39.2 t ADT: 50

T 129

Good

Over: Ash Creek

0.8 mi N of jct TH 270, Rock, MN

Built 2002 Load: 39.2 t ADT: 32

T 64

Good

Over: STREAM

1.1 MI E OF JCT CR 66, Rock, MN

Built 2004 Load: 39.2 t ADT: 35

CSAH 37

Good

Over: STREAM

0.3 MI E OF JCT TH 75, Rock, MN

Built 2005 Load: 39.2 t ADT: 1,246

T 36

Good

Over: STREAM

1.6 MI S OF JCT TH 270, Rock, MN

Built 2003 Load: 39.2 t ADT: 25

T 110

Good

Over: STREAM

0.6 MI N OF JCT CSAH 5, Rock, MN

Built 2004 Load: 39.2 t ADT: 20

T 35

Good

Over: STREAM

1.4 MI N OF JCT TH 270, Rock, MN

Built 2005 Load: 39.2 t ADT: 50

T 92

Good

Over: STREAM

0.7 MI N OF JCT CSAH 7, Rock, MN

Built 2005 Load: 39.2 t ADT: 35

T 24

Good

Over: STREAM

1.4 MI E OF JCT CR 53, Rock, MN

Built 2004 Load: 39.2 t ADT: 30

T 110

Good

Over: STREAM

1.4 MI S OF JCT CSAH 8, Rock, MN

Built 2005 Load: 39.2 t ADT: 20

T 110

Good

Over: STREAM

1.1 MI S OF JCT CSAH 8, Rock, MN

Built 2005 Load: 39.2 t ADT: 20

T 38

Good

Over: FOUR MILE CREEK

2.1 MI N OF JCT CSAH 13, Rock, MN

Built 2008 Load: 39.2 t ADT: 49

T 39

Good

Over: FOUR MILE CREEK

1.2 MI N OF JCT CSAH 13, Rock, MN

Built 2008 Load: 39.2 t ADT: 49

CSAH 3

Good

Over: STREAM

0.6 MI N OF JCT CSAH 16, Rock, MN

Built 2009 Load: 39.2 t ADT: 590

CSAH 3

Good

Over: STREAM

0.7 MI N OF JCT CSAH 16, Rock, MN

Built 2009 Load: 39.2 t ADT: 590

CSAH 3

Good

Over: ELK CREEK

1.9 MI N OF JCT CSAH 4, Rock, MN

Built 2010 Load: 39.2 t ADT: 305

CSAH 21

Good

Over: STREAM

0.9 MI E OF JCT CSAH 19, Rock, MN

Built 2010 Load: 39.2 t ADT: 44

T 58

Good

Over: STREAM

0.2 MI W OF JCT CR 59, Rock, MN

Built 2013 Load: 39.2 t ADT: 49

T 402

Good

Over: STREAM

0.2 MI W OF JCT CSAH 9, Rock, MN

Built 2012 Load: 39.2 t ADT: 49

T 18

Good

Over: STREAM

0.7 MI E OF JCT CSAH 6, Rock, MN

Built 2012 Load: 39.2 t ADT: 49

CSAH 3

Good

Over: STREAM

2.3 MI S OF JCT CSAH 1, Rock, MN

Built 2013 Load: 39.2 t ADT: 325

T 148

Good

Over: SPRING WATER CREEK

0.1 MI W OF JCT TH 23, Rock, MN

Built 2013 Load: 39.2 t ADT: 105

M 11

Good

Over: MOUND CREEK

0.9 MI E OF JCT TH 75, Rock, MN

Built 1980 Load: 39.2 t ADT: 41

T 60

Good

Over: STREAM

0.2 MI W OF JCT TH 23, Rock, MN

Built 1983 Load: 39.2 t ADT: 40

T 37

Good

Over: STREAM

1.2 MI S OF JCT CSAH 13, Rock, MN

Built 1987 Load: 39.2 t ADT: 34

CR 66

Good

Over: STREAM

0.3 MI N OF JCT CSAH 20, Rock, MN

Built 1986 Load: 39.2 t ADT: 62

T 57

Good

Over: STREAM

0.2 MI E OF JCT CSAH 3, Rock, MN

Built 1989 Load: 39.2 t ADT: 28

T 75

Good

Over: STREAM

0.1 MI E OF JCT CR 65, Rock, MN

Built 1987 Load: 39.2 t ADT: 25

CSAH 10

Good

Over: STREAM

0.8 MI E OF JCT CSAH 2, Rock, MN

Built 1989 Load: 39.2 t ADT: 790

T 50

Good

Over: SPRING WATER CREEK

0.9 MI E OF JCT TH 23, Rock, MN

Built 1989 Load: 39.2 t ADT: 25

T 23

Good

Over: BLOOD RUN

0.4 MI W OF JCT CSAH 17, Rock, MN

Built 1990 Load: 39.2 t ADT: 65

M 50

Good

Over: POPLAR CREEK

0.1 MI N OF JCT CSAH 26, Rock, MN

Built 1998 Load: 39.2 t ADT: 155

M 48

Good

Over: POPLAR CREEK

0.1 MI N OF JCT CSAH 26, Rock, MN

Built 1998 Load: 39.2 t ADT: 842

T 19

Good

Over: FOUR MILE CREEK

0.7 MI E OF JCT CSAH 17, Rock, MN

Built 1992 Load: 39.2 t ADT: 20

M 29

Good

Over: STREAM

0.4 MI E OF JCT CSAH 18, Rock, MN

Built 1992 Load: 39.2 t ADT: 73

CR 51

Good

Over: STREAM

0.1 MI S OF JCT CSAH 7, Rock, MN

Built 1993 Load: 39.2 t ADT: 43

CR 53

Good

Over: MUD CREEK

0.9 MI S OF JCT CSAH 15, Rock, MN

Built 1995 Load: 39.2 t ADT: 41

T 107

Good

Over: STREAM

0.2 MI S OF N CO LINE, Rock, MN

Built 1993 Load: 39.2 t ADT: 10

T 52

Good

Over: SPRINGWATER CREEK

0.8 MI W OF JCT CR 59, Rock, MN

Built 1994 Load: 39.2 t ADT: 48

T 17

Good

Over: MUD CREEK

0.8 MI E OF JCT CSAH 6, Rock, MN

Built 1995 Load: 39.2 t ADT: 69

MN 23

Good

Over: SPRING WATER CREEK

0.8 MI N OF JCT TH 90, Rock, MN

Built 1995 Load: 39.2 t ADT: 2,000

T 26

Good

Over: STREAM

1.8 MI N OF JCT CSAH 15, Rock, MN

Built 1995 Load: 39.2 t ADT: 17

T 20

Good

Over: ASH CREEK

0.7 MI W OF JCT TH 75, Rock, MN

Built 1995 Load: 39.2 t ADT: 61

T 108

Good

Over: STREAM

0.1 MI S OF JCT TH 23, Rock, MN

Built 1995 Load: 39.2 t ADT: 25

T 37

Good

Over: S FK ROSEAU RIVER

0.4 MI W OF JCT TH 89, Roseau, MN

Built 1996 Load: 39.2 t ADT: 8

Showing 9,301-9,350 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.