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 12

Unknown

Over: TH 610

1.7 MI W OF JCT TH 252, Hennepin, MN

Built 1997 ADT: 81,827

MSAS 134

Unknown

Over: TH 610

2.2 MI W OF JCT TH 169, Hennepin, MN

Built 1997 ADT: 58,237

CSAH 14

Unknown

Over: TH 610

1.7 MI E OF JCT TH 169, Hennepin, MN

Built 1999 ADT: 58,237

MSAS 138

Unknown

Over: TH 610

1.2 MI E OF JCT TH 169, Hennepin, MN

Built 1999 ADT: 45,236

CSAH 103

Unknown

Over: TH 610

0.7 MI W OF JCT TH 169, Hennepin, MN

Built 1998 ADT: 66,000

MN 610

Unknown

Over: I 94

AT JCT I94, Hennepin, MN

Built 2016 ADT: 94,000

CSAH 121

Unknown

Over: TH 610

1.0 MI E OF JCT TH 94;610, Hennepin, MN

Built 2017 ADT: 17,936

MN 610

Unknown

Over: US 169

AT THE JCT TH 610; 169, Hennepin, MN

Built 1998 ADT: 64,219

MN 610

Unknown

Over: US 169

AT THE JCT TH 610; 169, Hennepin, MN

Built 1998 ADT: 64,219

CSAH 130

Unknown

Over: TH 610

2.5 MI E OF JCT TH 94;610, Hennepin, MN

Built 2005 ADT: 35,571

CSAH 81

Unknown

Over: TH 610; ON RAMP

2.7 MI W OF JCT TH 94;610, Hennepin, MN

Built 2005 ADT: 500

M 510

Unknown

Over: TH 610

1.9 MI W OF JCT US 169, Hennepin, MN

Built 2010 ADT: 37,000

MSAS 139

Unknown

Over: TH 610

1.9 MI SW OF JCT TH 47, Hennepin, MN

Built 1985 ADT: 105,651

MN 610

Unknown

Over: FERNBROOK LANE

1.4 MI E OF JCT TH 94;610, Hennepin, MN

Built 2017 ADT: 25,000

MN 610

Unknown

Over: FERNBROOK LANE

1.4 MI E OF JCT TH 94;610, Hennepin, MN

Built 2017 ADT: 6,200

CSAH 61

Unknown

Over: TH 610

1.6MI W OF JCT US 169, Hennepin, MN

Built 2011 ADT: 35,571

MSAS 141

Unknown

Over: TH 610

1.0 MI W OF JCT US 169, Hennepin, MN

Built 2010 ADT: 44,000

PEDESTRIAN

Unknown

Over: TH 610

0.8 MI W OF JCT US 169, Hennepin, MN

Built 2010 ADT: 44,000

MSAS 128

Unknown

Over: TH 610

0.5 MI W OF JCT US 169, Hennepin, MN

Built 2010 ADT: 44,000

MSAS 126

Unknown

Over: I 94; RUSH CREEK

3.7 MI NW OF JCT TH 494, Hennepin, MN

Built 2015 ADT: 8,968

MN 100

Unknown

Over: CPR RR; N LILAC DR

0.9 MI NW OF JCT TH 12, Hennepin, MN

Built 2000 ADT: 500

MN 100

Unknown

Over: UP RR; KQRS DRIVE

0.2 MI N OF JCT TH 55, Hennepin, MN

Built 2000 ADT: 1

MSAS 420

Unknown

Over: UP RR; KQRS DRIVE

0.2 MI N OF JCT TH 55, Hennepin, MN

Built 2000 ADT: 1

LRT

Unknown

Over: TH 55, RAMP; LAKE ST

1.2 MI S OF JCT TH 94, Hennepin, MN

Built 2002 ADT: 1

LRT

Unknown

Over: TH 55, 62; RAMP

NEAR THE JCT TH62; 55, Hennepin, MN

Built 2003 ADT: 5,000

CON 3682

Unknown

Over: UP RR; KQRS DR

0.2 MI N OF JCT TH 55, Hennepin, MN

Built 2000 ADT: 1

CON 1065

Unknown

Over: MSP EXIT RAMPS TO MN 5

0.016 MI W JCT MN 5; RPS, Hennepin, MN

Built 1999 ADT: 1

PEDESTRIAN

Unknown

Over: TH 12; BNSF RR

5.5 MI W OF JCT TH 494;12, Hennepin, MN

Built 2003 ADT: 24,549

CSAH 146

Unknown

Over: TH 12; BNSF RR

5.9 MI W OF JCT TH 494;12, Hennepin, MN

Built 2004 ADT: 200

M 250

Unknown

Over: TH 12; BNSF RR

6.4 MI W OF JCT TH494; 12, Hennepin, MN

Built 2004 ADT: 24,549

MSAS 102

Unknown

Over: TH 12; BNSF RR

6.9 MI W OF JCT TH 494;12, Hennepin, MN

Built 2004 ADT: 24,549

PEDESTRIAN

Unknown

Over: TH 12; BNSF RR

5.1 MI W OF JCT TH 494;1, Hennepin, MN

Built 2005 ADT: 24,549

CSAH 112

Unknown

Over: US 12

4.2 MI W JCT 494; 12, Hennepin, MN

Built 2007 ADT: 24,549

MSAS 105

Unknown

Over: TH 100

AT THE JCT TH 100; FRANCE, Hennepin, MN

Built 2003 ADT: 81,000

RAILROAD

Unknown

Over: TH 100

2.3 MI SW OF JCT TH 694, Hennepin, MN

Built 2002 ADT: 1,000

MN 100

Unknown

Over: Duluth St

1.0 mi N of jct TH 55, Hennepin, MN

Built 2003 ADT: 16,500

PEDESTRIAN

Unknown

Over: TH 100

2.9 MI N OF JCT TH 55, Hennepin, MN

Built 2000 ADT: 101,000

CSAH 9

Unknown

Over: TH 100

AT THE JCT TH100; CSAH9, Hennepin, MN

Built 2001 ADT: 87,000

RAILROAD

Unknown

Over: TH 100; RAMPS

3.5 MI N OF JCT TH 55, Hennepin, MN

Built 2001 ADT: 1

CSAH 53

Unknown

Over: TH 77

1.5 MI N OF JCT TH 494, Hennepin, MN

Built 2005 ADT: 66,000

CSAH 1

Unknown

Over: US 169

2.9 MI S OF JCT TH494;169, Hennepin, MN

Built 2004 ADT: 92,000

MSAS 107

Unknown

Over: US 169

1.6 MI S OF JCT TH494;169, Hennepin, MN

Built 2004 ADT: 91,000

PEDESTRIAN

Unknown

Over: TH 7

AT JCT OF TH 7, Hennepin, MN

Built 2010 ADT: 13,026

CSAH 30

Unknown

Over: TH 169; RAMPS

0.4 MI S OF JCT TH 610, Hennepin, MN

Built 2013 ADT: 64,219

MN 101

Unknown

Over: CSAH 144

1.1 MI N JCT TH 101; 94, Hennepin, MN

Built 2014 ADT: 14,300

MN 7

Unknown

Over: LOUISIANA AVE

1.0 M W OF JCT TH100; T7, Hennepin, MN

Built 2013 ADT: 13,100

CON 80

Unknown

Over: DIAMOND LAKE ROAD

AT W JCT TH 101; 94, Hennepin, MN

Built 2010 ADT: 21,500

LRT

Unknown

Over: TH 100; RAMPS

0.2 MI S OF JCT TH 7, Hennepin, MN

Built 2022 ADT: 5,559

PEDESTRIAN

Unknown

Over: TH 100

0.2 MI S OF JCT TH 7, Hennepin, MN

Built 2015 ADT: 1

MN 7

Unknown

Over: TH 100

AT JCT TH 100; TH 7, Hennepin, MN

Built 2014 ADT: 1

Showing 351-400 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.