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

PEDESTRIAN

Unknown

Over: US 169

1.4 MI W OF JCT TH 13, Scott, MN

Built 2023 ADT: 66,622

CON 95

Unknown

Over: CSAH 101

5.7 MI SW OF JCT TH 494, Scott, MN

Built 1993 ADT: 37,299

US 169

Unknown

Over: TH 801B

5.7 MI SW OF JCT TH 494, Scott, MN

Built 1993 ADT: 37,299

US 169

Unknown

Over: TH 801B

5.7 MI SW OF JCT TH 494, Scott, MN

Built 1993 ADT: 37,299

US 169

Unknown

Over: County 101 EB (Savage)

5.8 MI SW OF JCT TH 494, Scott, MN

Built 1993 ADT: 5,000

US 169

Unknown

Over: County 101EB (Savage)

5.8 MI SW OF JCT TH 494, Scott, MN

Built 1993 ADT: 5,000

US 169

Unknown

Over: UP RR; CSAH 18

5.9 MI SW OF JCT TH 494, Scott, MN

Built 1994 ADT: 910

US 169

Unknown

Over: UP RR; CSAH 18

5.9 MI SW OF JCT TH 494, Scott, MN

Built 1994 ADT: 910

US 169

Unknown

Over: TH 169R WB

7.1 MI SW OF JCT TH 494, Scott, MN

Built 1994 ADT: 12,750

US 169

Unknown

Over: TH 169R WB

7.1 MI SW OF JCT TH 494, Scott, MN

Built 1994 ADT: 12,750

US 169

Unknown

Over: CSAH 18

6.0 MI SW OF JCT TH 494, Scott, MN

Built 1994 ADT: 26,000

US 169

Unknown

Over: CSAH 18

6.0 MI SW OF JCT TH 494, Scott, MN

Built 1994 ADT: 17,750

CSAH 21

Unknown

Over: TH 169R

0.8 MI E OF JCT TH 169, Scott, MN

Built 1994 ADT: 25,500

CSAH 21

Unknown

Over: TH 169R

0.8 MI E OF JCT TH 169, Scott, MN

Built 1994 ADT: 25,500

PEDESTRIAN

Unknown

Over: US 169

4.2 MI E OF JCT TH 41, Scott, MN

Built 2002 ADT: 39,500

PEDESTRIAN

Unknown

Over: US 169

3.4 MI E OF JCT TH 14, Scott, MN

Built 2002 ADT: 39,500

PEDESTRIAN

Unknown

Over: US 169

39 FEET E OF CR 77, Scott, MN

Built 2010 ADT: 39,500

CSAH 17

Unknown

Over: CSAH 42 (140TH ST NW)

1.5 MI W JCT CSAH42; 83, Scott, MN

Built 2011 ADT: 6,653

CSAH 2

Unknown

Over: I 35

7.2 MI N OF JCT TH 19, Scott, MN

Built 1963 ADT: 41,633

CR 62

Unknown

Over: I 35

8.7 MI N OF JCT TH 19, Scott, MN

Built 1964 ADT: 47,500

CR 29

Unknown

Over: I 35

10.7 MI N OF JCT TH 19, Scott, MN

Built 1964 ADT: 47,500

US 169

Unknown

Over: US 10

AT JCT TH 10, Sherburne, MN

Built 1967 ADT: 33,608

MN 24

Unknown

Over: MISS R; MAIN ST

3.2 MI SW OF JCT TH 10, Sherburne, MN

Built 2017 ADT: 610

US 169

Unknown

Over: CSAH 29

1.8 MI S OF JCT TH 95, Sherburne, MN

Built 1979 ADT: 12,000

US 169

Unknown

Over: CSAH 29

1.8 MI S OF JCT TH 95, Sherburne, MN

Built 1979 ADT: 12,000

CSAH 33

Unknown

Over: TH 169

3.6 MI N OF E JCT TH 10, Sherburne, MN

Built 2003 ADT: 27,213

CSAH 9

Unknown

Over: US 169

5.4 mi S of jct TH 95, Sherburne, MN

Built 2001 ADT: 21,367

CSAH 15

Unknown

Over: US 10

AT JCT TH 10;CSAH 14;15, Sherburne, MN

Built 2002 ADT: 27,658

MSAS 107

Unknown

Over: US 169

1.4 MI N OF JCT TH 10, Sherburne, MN

Built 2023 ADT: 42,169

MSAS 116

Unknown

Over: US 169

2.6 MI N OF JCT US 10, Sherburne, MN

Built 2022 ADT: 31,665

US 169

Unknown

Over: 193RD AVE

2.1 MI N OF JCT TH 10, Sherburne, MN

Built 2023 ADT: 1

US 169

Unknown

Over: US 10; RAMP

AT JCT TH 10, Sherburne, MN

Built 2022 ADT: 5,651

PEDESTRIAN

Unknown

Over: US 169

0.6 MI N OF W JCT TH 10, Sherburne, MN

Built 1999 ADT: 38,413

RAILROAD

Unknown

Over: US 2

1.7 MI E OF JCT TH 33, St. Louis, MN

Built 1932 ADT: 5,200

US 53

Unknown

Over: 6TH AVE W

1.3 MI SE OF JCT TH 169, St. Louis, MN

Built 1962 ADT: 1,800

US 53

Unknown

Over: 6TH AVE W

1.3 MI SE OF JCT TH 169, St. Louis, MN

Built 1970 ADT: 1,800

RAILROAD

Unknown

Over: US 53

3.1 MI N OF JCT TH 169, St. Louis, MN

Built 1975 ADT: 12,154

US 169

Unknown

Over: US 53

AT THE JCT TH 169; 53, St. Louis, MN

Built 1969 ADT: 12,300

M 372

Unknown

Over: US 53

0.25 MI N OF JCT TH 35, St. Louis, MN

Built 2003 ADT: 22,900

US 169

Unknown

Over: CSAH 102

2.6 MI W OF JCT TH 53, St. Louis, MN

Built 1970 ADT: 2,450

US 169

Unknown

Over: CSAH 102

2.6 MI W OF JCT TH 53, St. Louis, MN

Built 1970 ADT: 2,450

MN 33

Unknown

Over: US 53 SB

AT THE JCT TH 33; 53, St. Louis, MN

Built 2012 ADT: 3,950

RAILROAD

Unknown

Over: US 169

4.0 MI E OF N JCT TH 73, St. Louis, MN

Built 1979 ADT: 9,000

US 169

Unknown

Over: TH 73 NB

AT THE N JCT TH 169; 73, St. Louis, MN

Built 1979 ADT: 2,750

US 169

Unknown

Over: TH 73 NB

AT THE N JCT TH 169; 73, St. Louis, MN

Built 1979 ADT: 2,750

US 2

Unknown

Over: ST LOUIS R, TH35; RR

AT WISCONSIN STATE LINE, St. Louis, MN

Built 1982 ADT: 44,500

CON 5873

Unknown

Over: I 35 RAMP; LAKE

AT THE JCT TH 2; 35, St. Louis, MN

Built 1983 ADT: 2,500

CON 3544

Unknown

Over: I 35, RAMPS; LAKE

AT THE E JCT TH 35; 2, St. Louis, MN

Built 1983 ADT: 1,500

MN 33

Unknown

Over: CR 694; DM;IR RY

1.5 MI N OF JCT TH 2, St. Louis, MN

Built 1986 ADT: 115

MN 33

Unknown

Over: CR 694; DM;IR RY

1.5 MI N OF JCT TH 2, St. Louis, MN

Built 1986 ADT: 145

Showing 1,301-1,350 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.