How many bridges are in Minnesota?

Minnesota has 11,969 public highway bridges tracked in the FHWA National Bridge Inventory. View detailed condition data for each bridge on PlainBridges.

What percentage of bridges in Minnesota are in Poor condition?

3.6% of bridge records in Minnesota are in Poor condition, meaning the lowest applicable major-component rating is 4 or below, compared with 7.0% across state inventories.

State profile · Below median Poor share

Minnesota bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Minnesota, based on the FHWA National Bridge Inventory.

Compiled by PlainBridges, Independent data publisher

11,969
Public bridges: 55.0%
Good condition: 3.6%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition share 12.1%

National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix - Minnesota (FHWA NBI)

Counties (87)

Aitkin 85 Anoka 145 Becker 51 Beltrami 102 Benton 113 Big Stone 16 Blue Earth 178 Brown 98 Carlton 144 Carver 101 Cass 80 Chippewa 70 Chisago 42 Clay 166 Clearwater 35 Cook 40 Cottonwood 125 Crow Wing 47 Dakota 152 Dodge 120 Douglas 24 Faribault 143 Fillmore 261 Freeborn 72 Goodhue 264 Grant 28 Hennepin 980 Houston 113 Hubbard 17 Isanti 24 Itasca 76 Jackson 104 Kanabec 34 Kandiyohi 53 Kittson 109 Koochiching 53 Lac qui Parle 161 Lake 80 Lake of the Woods 59 Le Sueur 54 Lincoln 93 Lyon 222 Mahnomen 40 Marshall 208 Martin 155 McLeod 78 Meeker 58 Mille Lacs 107 Morrison 155 Mower 307 Murray 129 Nicollet 53 Nobles 299 Norman 140 Olmsted 346 Otter Tail 137 Pennington 45 Pine 158 Pipestone 182 Polk 260 Pope 46 Ramsey 318 Red Lake 55 Redwood 190 Renville 139 Rice 134 Rock 252 Roseau 137 Scott 130 Sherburne 48 Sibley 98 St. Louis 641 Stearns 225 Steele 127 Stevens 43 Swift 96 Todd 135 Traverse 115 Wabasha 138 Wadena 77 Waseca 74 Washington 112 Watonwan 155 Wilkin 191 Winona 221 Wright 74 Yellow Medicine 207

Minnesota vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Minnesota on the same metric.

Virginia

3.03% top marginal rate

Structure: Progressive
Burden @ $100K: $14,122

Alabama

3.35% top marginal rate

Structure: Progressive
Burden @ $100K: $13,471

Selected

Minnesota

3.63% top marginal rate

Structure: Progressive
Burden @ $100K: $11,969

Connecticut

3.95% top marginal rate

Structure: Progressive
Burden @ $100K: $4,277

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

T 187

Poor

Over: OKABENA CREEK

0.3 MI S OF JCT CSAH 18, Jackson, MN

Built 1905 Load: 2.9 t ADT: 10

M 8

Poor

Over: WELCOME CREEK

0.1 MI W OF CO LINE, Itasca, MN

Built 1919 Load: 3.3 t ADT: 10

CSAH 7

Poor

Over: SLEEPY EYE CREEK (JD #36

0.6 MI N OF JCT CR 66, Redwood, MN

Built 1965 Load: 3.3 t ADT: 117

M 330

Poor

Over: W SWAN RIVER

0.4 MI S OF JCT CR606, St. Louis, MN

Built 1921 Load: 3.3 t ADT: 24

CR 156

Poor

Over: MAPLE RIVER

0.1 MI S OF JCT CR 154, Blue Earth, MN

Built 1961 Load: 3.9 t ADT: 141

T 309

Poor

Over: TROUT RUN CREEK

0.9 MI E OF JCT CSAH43, Winona, MN

Built 1918 Load: 4.1 t ADT: 20

All Bridges in Minnesota

Sort by:

MN 33

Unknown

Over: US 2

AT THE JCT TH 33; 2, St. Louis, MN

Built 1987 ADT: 5,000

MN 33

Unknown

Over: US 2

AT THE JCT OF TH 33; 2, St. Louis, MN

Built 1987 ADT: 5,000

MSAS 113

Unknown

Over: US 53

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

Built 2003 ADT: 23,600

US 53

Unknown

Over: TH 169

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

Built 2004 ADT: 5,900

US 53

Unknown

Over: TH 169

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

Built 2004 ADT: 6,500

MN 135

Unknown

Over: US 53

0.1 MI N OF JCT US 53, St. Louis, MN

Built 2016 ADT: 22,200

MN 37

Unknown

Over: US 53

AT JCT TH 37; 53, St. Louis, MN

Built 2018 ADT: 9,300

PEDESTRIAN

Unknown

Over: I 35, FRONT RDS;STREET

1.5 MI NE OF JCT TH 535, St. Louis, MN

Built 1977 ADT: 3,550

CSAH 57

Unknown

Over: US 169

1.0 MI E OF S JCT TH 73, St. Louis, MN

Built 1987 ADT: 12,800

MN 194

Unknown

Over: 2ND AVE W RAMP

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

Built 1988 ADT: 2,500

CSAH 61

Unknown

Over: ACCESS RD

.08 MI W OF JCT CSAH 33, St. Louis, MN

Built 2004 ADT: 20

SKYWAY

Unknown

Over: E 1ST ST

0.2 MI SE OF JCT CSAH 9, St. Louis, MN

Built 2001 ADT: 3,700

MSAS 149

Unknown

Over: I 35, Michigan ST; RR

0.5 MI NE OF JCT TH 535, St. Louis, MN

Built 1983 ADT: 3,200

I 535

Unknown

Over: SB GARFIELD; BNSF RR

0.7 MI S OF JCT TH 35, St. Louis, MN

Built 1969 ADT: 2,300

CON 504

Unknown

Over: GARFIELD NB; SB; RR

0.7 MI S OF JCT TH 35, St. Louis, MN

Built 1969 ADT: 2,300

PEDESTRIAN

Unknown

Over: I 35

AT ORE DOCKS, St. Louis, MN

Built 1967 ADT: 44,000

I 35

Unknown

Over: S UGSTAD RD (CSAH 45)

2.3 MI SW OF W JCT TH 2, St. Louis, MN

Built 1975 ADT: 1,206

MSAS 140

Unknown

Over: I 35, FRRD, MICH; LK PL

2.0 MI NE OF JCT TH 535, St. Louis, MN

Built 1982 ADT: 1,000

CON 3744

Unknown

Over: I 35;SB OFF RAMP

2.3 MI NE OF JCT TH 535, St. Louis, MN

Built 1987 ADT: 3,000

I 35

Unknown

Over: SL;LC RR; TH 194 NB

0.3 MI SW OF JCT 5TH AVE, St. Louis, MN

Built 1985 ADT: 9,250

I 35

Unknown

Over: SL;LC RR; TH 194 NB

0.3 MI SW OF JCT 5TH AVE, St. Louis, MN

Built 1985 ADT: 9,250

PLAZA

Unknown

Over: I 35, SB RAMP; MICH ST

2.3 MI NE OF JCT TH 535, St. Louis, MN

Built 1987 ADT: 4,300

MSAS 171

Unknown

Over: I 35

2.7 MI NE OF JCT TH 535, St. Louis, MN

Built 1983 ADT: 20,400

MSAS 171

Unknown

Over: I 35

2.5 MI NE OF JCT TH 535, St. Louis, MN

Built 1986 ADT: 20,400

MSAS 110

Unknown

Over: I 35

1.5 MI SW OF JCT TH 535, St. Louis, MN

Built 1967 ADT: 44,000

MSAS 109

Unknown

Over: I 35; SBOFF RAMP

1.3 MI SW OF JCT TH 535, St. Louis, MN

Built 1967 ADT: 1

RAILROAD

Unknown

Over: I 35

AT ORE DOCKS, St. Louis, MN

Built 1966 ADT: 44,000

PEDESTRIAN

Unknown

Over: I 35

3.5 MI N OF JCT TH 535, St. Louis, MN

Built 1988 ADT: 20,400

MSAS 194

Unknown

Over: TH 194 SB

AT JCT TH 35, St. Louis, MN

Built 1969 ADT: 12,050

MN 194

Unknown

Over: SUPERIOR ST(MSAS171)

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

Built 1968 ADT: 11,960

MSAS 152

Unknown

Over: I 35, SL;LC RR

3.8 MI NE OF JCT TH 535, St. Louis, MN

Built 1988 ADT: 18,800

PEDESTRIAN

Unknown

Over: I 35

4.1 MI NE OF JCT TH 535, St. Louis, MN

Built 1990 ADT: 18,800

I 35

Unknown

Over: RECYCLE WAY

3.7 MI SW OF JCT TH 535, St. Louis, MN

Built 2011

CSAH 14

Unknown

Over: I 35

2.1 MI SW OF W JCT TH 2, St. Louis, MN

Built 1966 ADT: 28,000

RAILROAD

Unknown

Over: I 35 SB

AT JCT TH 2, St. Louis, MN

Built 1965 ADT: 40,000

RAILROAD

Unknown

Over: US 2 EB

0.1 MI S OF JCT TH 35, St. Louis, MN

Built 1965 ADT: 5,200

I 35

Unknown

Over: I 35 NB OFF RAMP

1.0 MI N OF W JCT TH 2, St. Louis, MN

Built 1965 ADT: 3,000

I 35

Unknown

Over: US 2 EB

AT JCT I 35; US 2 EB, St. Louis, MN

Built 2009 ADT: 5,200

MSAS 135

Unknown

Over: I 35, ACCES;RR STS; RR

0.9 MI N OF GARFIELD AVE, St. Louis, MN

Built 1966 ADT: 34,500