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

US 218

Unknown

Over: I 90

AT THE E JCT TH 218, Mower, MN

Built 1959 ADT: 17,215

CSAH 2

Unknown

Over: I 90

1.9 MI NE OF JCT TH 16, Mower, MN

Built 1961 ADT: 10,800

CSAH 41

Unknown

Over: US 14

0.8 MI W JCT LOR RAY DR, Nicollet, MN

Built 2013 ADT: 10,082

MN 111

Unknown

Over: US 14

.4MI S OF JCT TH 14, Nicollet, MN

Built 2015 ADT: 5,151

MSAS 116

Unknown

Over: US 14

2.2 MI W OF JCT TH 169, Nicollet, MN

Built 1974 ADT: 14,500

MSAS 117

Unknown

Over: US 14

1.2 MI W OF JCT TH 169, Nicollet, MN

Built 1974 ADT: 14,500

CON 5956

Unknown

Over: US 169; RAMP

2.2 MI S OF JCT TH 14, Nicollet, MN

Built 1992 ADT: 3,000

UNU 169

Unknown

Over: US 169

1.6 MI S OF JCT TH 14, Nicollet, MN

Built 1985 ADT: 21,000

UNU 14

Unknown

Over: Lookout Dr; Center St

2.2 MI S OF JCT TH 14, Nicollet, MN

Built 1992 ADT: 1,000

US 169

Unknown

Over: US 169 RAMP

2.2 MI S OF JCT TH 14, Nicollet, MN

Built 1992 ADT: 1

MN 99

Unknown

Over: Washington Ave

0.5 mi W of jct TH 169, Nicollet, MN

Built 2001 ADT: 530

MN 15

Unknown

Over: US 14

AT JCT TH 14 AND TH 15, Nicollet, MN

Built 2019 ADT: 8,637

CSAH 37

Unknown

Over: US 14

1.8 MI SE OF JCT TH 15, Nicollet, MN

Built 2023 ADT: 8,120

US 14

Unknown

Over: CSAH 24

6.1 MI SE OF JCT MN 15, Nicollet, MN

Built 2023 ADT: 1,754

US 14

Unknown

Over: CSAH 24

6.1 MI SE OF JCT MN 15, Nicollet, MN

Built 2023 ADT: 1,754

RAILROAD

Unknown

Over: TH 60

IN WORTHINGTON, Nobles, MN

Built 2013 ADT: 7,500

RAILROAD

Unknown

Over: CSAH 6

0.2 MI W OF JCT TH 60, Nobles, MN

Built 2022 ADT: 215

CSAH 19

Unknown

Over: I 90

4.2 MI W OF JCT TH 91, Nobles, MN

Built 1965 ADT: 12,000

I 90

Unknown

Over: UP RR; CSAH 35

0.7 MI W OF JCT TH 91, Nobles, MN

Built 1965 ADT: 840

I 90

Unknown

Over: UP RR; CSAH 35

0.7 MI W OF JCT TH 91, Nobles, MN

Built 1965 ADT: 840

CSAH 15

Unknown

Over: I 90

3.1 MI E OF JCT TH 91, Nobles, MN

Built 1965 ADT: 11,700

CSAH 13

Unknown

Over: I 90

7.1 MI E OF JCT TH 91, Nobles, MN

Built 1965 ADT: 11,700

CR 61

Unknown

Over: I 90

9.1 MI E OF JCT TH 91, Nobles, MN

Built 1965 ADT: 10,400

CSAH 9

Unknown

Over: I 90

11.1MI E OF JCT TH 91, Nobles, MN

Built 1965 ADT: 10,400

I 90

Unknown

Over: CSAH 25

AT JCT TH 266, Nobles, MN

Built 1968 ADT: 2,250

I 90

Unknown

Over: CSAH 25

AT JCT TH 266, Nobles, MN

Built 1968 ADT: 2,250

I 90

Unknown

Over: ROWE AVE

0.6 MI E OF JCT TH 266, Nobles, MN

Built 1968 ADT: 91

I 90

Unknown

Over: ROWE AVE

0.6 MI E OF JCT TH 266, Nobles, MN

Built 1968 ADT: 91

I 90

Unknown

Over: TH 59

AT JCT TH 59, Nobles, MN

Built 1968 ADT: 8,600

I 90

Unknown

Over: TH 59

AT JCT TH 59, Nobles, MN

Built 1968 ADT: 8,600

I 90

Unknown

Over: UP RR; TH 60

AT JCT TH 60, Nobles, MN

Built 1968 ADT: 7,900

I 90

Unknown

Over: UP RR; TH 60

AT JCT TH 60, Nobles, MN

Built 1968 ADT: 7,900

CSAH 3

Unknown

Over: I 90

2.7 MI E OF JCT TH 60, Nobles, MN

Built 1968 ADT: 9,135

MN 264

Unknown

Over: I 90

AT NOBLES-JACKSON CO LIN, Nobles, MN

Built 1971 ADT: 8,608

CR 60

Unknown

Over: I 90

5.1 MI E OF JCT TH 91, Nobles, MN

Built 1965 ADT: 11,700

MN 91

Unknown

Over: I 90

AT JCT I 90, Nobles, MN

Built 2021 ADT: 11,700

CSAH 22

Unknown

Over: US 52

3.5 MI N JCT TH 14, Olmsted, MN

Built 1991 ADT: 61,000

US 52

Unknown

Over: CSAH 1

1.0 MI SE OF JCT TH 63, Olmsted, MN

Built 1976 ADT: 2,250

US 52

Unknown

Over: CSAH 1

1.0 MI SE OF JCT TH 63, Olmsted, MN

Built 1976 ADT: 2,250

US 52

Unknown

Over: TH 63

AT THE JCT OF TH 63, Olmsted, MN

Built 1973 ADT: 1

US 52

Unknown

Over: TH 63

AT THE JCT OF TH 63, Olmsted, MN

Built 1973 ADT: 1

US 14

Unknown

Over: TH 52

AT THE S JCT TH 52, Olmsted, MN

Built 1965 ADT: 86,000

CSAH 22

Unknown

Over: US 14

1.6 MI W OF JCT TH 52, Olmsted, MN

Built 1996 ADT: 36,000

CR 111

Unknown

Over: US 52

1.2 MI NW OF JCT TH 90, Olmsted, MN

Built 1976 ADT: 20,839

MSAS 210

Unknown

Over: US 52

0.4 MI S OF JCT TH 14, Olmsted, MN

Built 1969 ADT: 56,000

MSAS 212

Unknown

Over: US 52

2.2 MI NW OF N JCT TH 14, Olmsted, MN

Built 1992 ADT: 48,658

US 52

Unknown

Over: TR 168

2.5 MI SE OF JCT TH 63, Olmsted, MN

Built 1976 ADT: 40

US 52

Unknown

Over: TR 168

2.5 MI SE OF JCT TH 63, Olmsted, MN

Built 1976 ADT: 40

CSAH 5

Unknown

Over: US 52

1.4 MI SE OF N CO LINE, Olmsted, MN

Built 2013 ADT: 29,702

MSAS 126

Unknown

Over: US 52

2.5 MI N OF JCT TH 14, Olmsted, MN

Built 1986 ADT: 61,000

Showing 901-950 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.