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

CR 107

Good

Over: COUNTY DITCH A

0.1 MI W OF JCT TH 23, Pipestone, MN

Built 2012 Load: 32.4 t ADT: 40

CSAH 78

Good

Over: E BR FLANDREAU CREEK

0.5 MI N OF JCT CSAH 10, Pipestone, MN

Built 2015 Load: 32.4 t ADT: 48

T 276

Good

Over: N BR PIPESTONE CREEK

0.3 MI N OF JCT CSAH 7, Pipestone, MN

Built 2013 Load: 32.4 t ADT: 24

T 64

Good

Over: FLANDREAU CREEK

0.3 MI E OF JCT TWP 276, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 33

CSAH 10

Good

Over: FLANDREAU CREEK

0.1 MI E OF JCT CSAH 15, Pipestone, MN

Built 2011 Load: 32.4 t ADT: 358

CSAH 10

Good

Over: E BR FLANDREAU CREEK

0.7 MI E OF JCT TH 75, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 357

CSAH 10

Good

Over: E BR FLANDREAU CREEK

0.6 MI W OF JCT TWP 278, Pipestone, MN

Built 2012 Load: 32.4 t ADT: 357

T 279

Good

Over: COUNTY DITCH A

0.2 MI S OF JCT CSAH 7, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 67

T 280

Good

Over: TRIB N BR PIPESTONE CRK

0.6 MI E OF JCT TWP 278, Pipestone, MN

Built 2015 Load: 32.4 t ADT: 30

CSAH 11

Good

Over: TRIB E BR FLANDREAU CRK

0.9 MI E OF JCT TWP 278, Pipestone, MN

Built 2018 Load: 32.4 t ADT: 143

CSAH 2

Good

Over: TRIB TO ROCK RIVER

0.3 MI E OF JCT CSAH 16, Pipestone, MN

Built 2019 Load: 32.4 t ADT: 90

T 279

Good

Over: N BR PIPESTONE CREEK

0.7 MI S OF JCT TWP 280, Pipestone, MN

Built 2017 Load: 32.4 t ADT: 53

T 284

Good

Over: TRIB ROCK RIVER

0.8 MI S OF JCT CSAH 7, Pipestone, MN

Built 2015 Load: 32.4 t ADT: 36

T 58

Good

Over: WILLOW CREEK

0.1 MI E OF JCT CSAH 14, Pipestone, MN

Built 2015 Load: 32.4 t ADT: 27

T 65

Good

Over: E BR FLANDREAU CREEK

0.3 MI E OF JCT TWP 278, Pipestone, MN

Built 2015 Load: 32.4 t ADT: 28

CSAH 16

Good

Over: TRIB ROCK RIVER

0.1 MI E OF JCT TWP 261, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 305

CSAH 16

Good

Over: ROCK RIVER

0.2 MI N OF JCT T 283, Pipestone, MN

Built 2020 Load: 32.4 t ADT: 135

CSAH 6

Good

Over: ROCK RIVER

0.7 MI E OF JCT CSAH 16, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 267

CSAH 6

Good

Over: E BR ROCK RIVER

0.1 MI E OF JCT TWP 284, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 267

CSAH 6

Good

Over: E BR ROCK RIVER

0.5 MI W OF JCT CSAH 18, Pipestone, MN

Built 2014 Load: 32.4 t ADT: 267

M 5

Good

Over: TRIB ROCK RIVER

0.5 MI W OF JCT CSAH 16, Pipestone, MN

Built 2017 Load: 32.4 t ADT: 54

T 7

Good

Over: SPLIT ROCK CREEK

0.5 MI E OF JCT TH 23, Pipestone, MN

Built 2017 Load: 32.4 t ADT: 67

T 270

Good

Over: COUNTY DITCH A

0.3 MI E OF JCT TH 23, Pipestone, MN

Built 2017 Load: 32.4 t ADT: 30

CSAH 16

Good

Over: TRIB ROCK RIVER

0.5 MI N OF JCT CSAH 2, Pipestone, MN

Built 2017 Load: 32.4 t ADT: 305

CSAH 16

Good

Over: TRIB ROCK RIVER

0.7 MI N OF JCT CSAH 2, Pipestone, MN

Built 2017 Load: 32.4 t ADT: 305

T 92

Good

Over: TRIB POPLAR CREEK

0.4 MI S OF JCT CSAH 9, Pipestone, MN

Built 2016 Load: 32.4 t ADT: 54

T 179

Good

Over: TRIB ROCK RIVER

1.0 MI S OF JCT CSAH 1, Pipestone, MN

Built 2016 Load: 32.4 t ADT: 53

CR 67

Good

Over: PIPESTONE CREEK

0.7 MI W OF JCT CSAH 30, Pipestone, MN

Built 2019 Load: 32.4 t ADT: 196

CSAH 8

Good

Over: N BR PIPESTONE CREEK

2.3 MI E OF JCT US 75, Pipestone, MN

Built 2021 Load: 32.4 t ADT: 155

T 261

Good

Over: TRIB ROCK RIVER

0.1 MI S OF JCT CSAH 16, Pipestone, MN

Built 2022 Load: 32.4 t ADT: 97

T 283

Good

Over: ROCK RIVER

0.1 MI W OF JCT CSAH 16, Pipestone, MN

Built 2022 Load: 32.4 t ADT: 69

T 274

Good

Over: TRIB FLANDREAU CREEK

1.0 MI W OF JCT CSAH 15, Pipestone, MN

Built 2021 Load: 32.4 t ADT: 14

T 276

Good

Over: TRIB FLANDREAU CREEK

0.6 MI N OF JCT CSAH 10, Pipestone, MN

Built 2021 Load: 32.4 t ADT: 28

T 264

Good

Over: TRIB CHANARAMBIE CREEK

0.7 MI E OF JCT CSAH 18, Pipestone, MN

Built 2020 Load: 32.4 t ADT: 36

CSAH 18

Good

Over: TRIB CHANARAMBIE CREEK

0.2 MI S OF JCT CSAH 2, Pipestone, MN

Built 2022 Load: 32.4 t ADT: 700

T 289

Good

Over: TRIB REDWOOD RIVER

1.4 MI W OF JCT CSAH 18, Pipestone, MN

Built 2021 Load: 32.4 t ADT: 89

T 302

Good

Over: TRIB REDWOOD RIVER

1.9 MI E OF JCT TH 23, Pipestone, MN

Built 2022 Load: 32.4 t ADT: 96

T 275

Good

Over: WILLOW CREEK

1.3 MI W OF JCT CSAH 15, Pipestone, MN

Built 2023 Load: 32.4 t ADT: 14

T 275

Good

Over: WILLOW CREEK

0.7 MI W OF JCT CSAH 15, Pipestone, MN

Built 2023 Load: 32.4 t ADT: 14

CSAH 18

Good

Over: TRIB ROCK RIVER

0.6 MI S OF JCT CSAH 3, Pipestone, MN

Built 2022 Load: 32.4 t ADT: 700

T 47

Good

Over: TRIB N BR PIPESTONE CRK

0.5 MI E OF JCT CSAH 15, Pipestone, MN

Built 2023 Load: 32.4 t ADT: 17

T 109

Good

Over: TRIB FLANDREAU CR

1.5 MI N OF JCT CSAH 10, Pipestone, MN

Built 2023 Load: 32.4 t ADT: 38

US 75

Good

Over: POPLAR CREEK

2.5 MI S OF TROSKY, Pipestone, MN

Built 2013 Load: 32.4 t ADT: 1,600

CSAH 64

Good

Over: GRAND MARAIS

1.5MI S OF JCT CSAH 22, Polk, MN

Built 2013 Load: 32.4 t ADT: 43

T 335

Good

Over: GRAND MARAIS

0.4MI W OF JCT CSAH 64, Polk, MN

Built 2013 Load: 32.4 t ADT: 45

M 27

Good

Over: SAND HILL RIVER

0.6 MI W OF JCT MN 32, Polk, MN

Built 2013 Load: 32.4 t ADT: 48

T 178

Good

Over: BURNHAM CREEK

0.5 MI S OF JCT CSAH 9, Polk, MN

Built 2020 Load: 32.4 t ADT: 48

T 749

Good

Over: POPLAR RIVER

1.6 MI N OF JCT US 2, Polk, MN

Built 2021 Load: 32.4 t ADT: 48

T 84

Good

Over: WATERSHED # 117

1.9 MI W OF JCT MN 9, Polk, MN

Built 2021 Load: 32.4 t ADT: 48

T 724

Good

Over: HILL RIVER

450 FT S OF JCT CSAH 35, Polk, MN

Built 2023 Load: 32.4 t ADT: 48

Showing 6,151-6,200 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.